Implement code to convert %malloc and %free FUNCTION CALLS into the instruction equivalent

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1065 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Transforms/IPO.h

@@ -9,16 +9,24 @@
 #include "llvm/Pass.h"
 
 class CleanupGCCOutput : public Pass {
+  Method *Malloc, *Free;  // Pointers to external declarations, or null if none
 public:
+
+  inline CleanupGCCOutput() : Malloc(0), Free(0) {}
+
   // doPassInitialization - For this pass, it removes global symbol table
   // entries for primitive types.  These are never used for linking in GCC and
   // they make the output uglier to look at, so we nuke them.
   //
+  // Also, initialize instance variables.
+  //
   bool doPassInitialization(Module *M);
 
   // doPerMethodWork - This method simplifies the specified method hopefully.
   //
   bool doPerMethodWork(Method *M);
+private:
+  bool doOneCleanupPass(Method *M);
 };
 
 #endif