diff --git a/clambcc/clambc-compiler.py b/clambcc/clambc-compiler.py
index adb22a8a21..89a9d045a1 100755
--- a/clambcc/clambc-compiler.py
+++ b/clambcc/clambc-compiler.py
@@ -617,6 +617,8 @@ def createInputSourceFile(clangLLVM: ClangLLVM, name: str, args: list, options:
 OPTIMIZE_OPTIONS.append("-opaque-pointers=0")
 
 OPTIMIZE_PASSES = ["function(mem2reg)"
+        , 'verify'
+        , 'clambc-remove-undefs' #TODO: MAY NOT BE NEEDED 
         , 'verify'
         , 'clambc-preserve-abis'
         , 'verify'
@@ -654,8 +656,8 @@ def createInputSourceFile(clangLLVM: ClangLLVM, name: str, args: list, options:
         , 'verify'
         , 'clambc-outline-endianness-calls'
         , 'verify'
-#        , 'clambc-change-malloc-arg-size'
-#        , 'verify'
+        , 'clambc-change-malloc-arg-size' #TODO: MAY NOT BE NEEDED 
+        , 'verify'
         , 'clambc-extend-phis-to-64-bit'
         , 'verify'
         , 'clambc-convert-memsets-to-32Bit'