diff --git a/src/Codegen/CompilerState.hs b/src/Codegen/CompilerState.hs
index a6c100a..3aa4123 100644
--- a/src/Codegen/CompilerState.hs
+++ b/src/Codegen/CompilerState.hs
@@ -135,7 +135,7 @@ defaultStart =
     , UnsafeRaw "declare i32 @printf(ptr noalias nocapture, ...)\n"
     , UnsafeRaw "declare i32 @exit(i32 noundef)\n"
     , UnsafeRaw "declare ptr @malloc(i32 noundef)\n"
-    , UnsafeRaw "declare void @_ZN2GC4Heap4initEv()\n"
-    , UnsafeRaw "declare void @_ZN2GC4Heap5allocEm()\n"
-    , UnsafeRaw "declare void @_ZN2GC4Heap7disposeEv()\n"
+    , UnsafeRaw "declare external void @cheap_init()\n"
+    , UnsafeRaw "declare external ptr @cheap_alloc(i64)\n"
+    , UnsafeRaw "declare external void @cheap_dispose()\n"
     ]
\ No newline at end of file
diff --git a/src/Codegen/Emits.hs b/src/Codegen/Emits.hs
index c41e340..0309514 100644
--- a/src/Codegen/Emits.hs
+++ b/src/Codegen/Emits.hs
@@ -127,12 +127,13 @@ compileScs (MIR.DData (MIR.Data typ ts) : xs) = do
     compileScs xs
 
 firstMainContent :: [LLVMIr]
-firstMainContent = []
+firstMainContent = [UnsafeRaw "call void @cheap_init()\n"]
 
 lastMainContent :: LLVMValue -> [LLVMIr]
 lastMainContent var =
     [ UnsafeRaw $
         "call i32 (ptr, ...) @printf(ptr noundef @.str, i64 noundef " <> toIr var <> ")\n"
+    , UnsafeRaw "call void @cheap_dispose()\n"
     , Ret I64 (VInteger 0)
     ]
 
@@ -169,6 +170,7 @@ emitECased t e cases = do
     -- crashLbl <- TIR.Ident . ("crash_" <>) . show <$> getNewLabel
     -- emit $ Label crashLbl
     emit . UnsafeRaw $ "call i32 (ptr, ...) @printf(ptr noundef @.non_exhaustive_patterns, i64 noundef 6, i64 noundef 6)\n"
+    emit . UnsafeRaw $ "call void @cheap_dispose()\n"
     emit . UnsafeRaw $ "call i32 @exit(i32 noundef 1)\n"
     mapM_ (const increaseVarCount) [0 .. 1]
     emit $ Br label
diff --git a/src/Codegen/LlvmIr.hs b/src/Codegen/LlvmIr.hs
index 0ef6ac0..ac9432a 100644
--- a/src/Codegen/LlvmIr.hs
+++ b/src/Codegen/LlvmIr.hs
@@ -225,7 +225,7 @@ llvmIrToString = go 0
             (Alloca t) -> unwords ["alloca", toIr t, "\n"]
             (Malloca t) -> 
                 concat
-                    [ "call ptr @malloc(i32 ", show t, ")\n"]
+                    [ "call ptr @cheap_alloc(i64 ", show t, ")\n"]
             (Store t1 val t2 (Ident id2)) ->
                 concat
                     [ "store ", toIr t1, " ", toIr val
diff --git a/src/Compiler.hs b/src/Compiler.hs
index 0b34936..c486cc4 100644
--- a/src/Compiler.hs
+++ b/src/Compiler.hs
@@ -15,8 +15,15 @@ compileClang =
     readCreateProcess . shell $
         unwords
             [ "clang++" -- , "-Lsrc/GC/lib/", "-l:libgcoll.a"
-            , "-fno-exceptions -x"
-            , "ir"
+            , "-fno-rtti"
+            , "src/GC/lib/cheap.cpp"
+            , "src/GC/lib/event.cpp"
+            , "src/GC/lib/heap.cpp"
+            , "src/GC/lib/profiler.cpp"
+            , "-Wall -Wextra -g -std=gnu++20 -stdlib=libstdc++"
+            , "-Isrc/GC/include"
+            , "-x"
+            , "ir" -- , "-Lsrc/GC/lib -l:gcoll.a"
             , "-o"
             , "output/hello_world"
             , "-"
diff --git a/test_program.crf b/test_program.crf
index 14cd86c..b584ff8 100644
--- a/test_program.crf
+++ b/test_program.crf
@@ -1,9 +1,9 @@
--- main = head (Cons (sum (repeat 10 5)) Nil);  
+main = head (Cons (sum (repeat 5 9223372036854775807)) Nil);  --9223372036854775807
 
-main = case (bind (fmap (\s . s + 1) (Just 5)) (\s . pure (s + 10))) of {
-    Just a => a ;
-    Nothing => minusOne ;
-};
+-- main = case (bind (fmap (\s . s + 1) (Just 5)) (\s . pure (s + 10))) of {
+--     Just a => a ;
+--     Nothing => minusOne ;
+-- };
 
 ---- MAYBE MONAD ----
 data Maybe () where {