Auto-upgrade free instructions to calls to the builtin free function.

Update all analysis passes and transforms to treat free calls just like FreeInst.
Remove RaiseAllocations and all its tests since FreeInst no longer needs to be raised.

llvm-svn: 84987

1 files changed, 1 insertions, 5 deletions

diff --git a/llvm/lib/Transforms/Utils/LowerAllocations.cpp b/llvm/lib/Transforms/Utils/LowerAllocations.cpp
index 9c9113daa93..f64a30f5e80 100644
--- a/llvm/lib/Transforms/Utils/LowerAllocations.cpp
+++ b/llvm/lib/Transforms/Utils/LowerAllocations.cpp
@@ -102,12 +102,8 @@ bool LowerAllocations::runOnBasicBlock(BasicBlock &BB) {
   // Loop over all of the instructions, looking for free instructions
   for (BasicBlock::iterator I = BB.begin(), E = BB.end(); I != E; ++I) {
     if (FreeInst *FI = dyn_cast<FreeInst>(I)) {
-      Value *PtrCast = 
-        new BitCastInst(FI->getOperand(0),
-               Type::getInt8PtrTy(BB.getContext()), "", I);
-
       // Insert a call to the free function...
-      CallInst::Create(FreeFunc, PtrCast, "", I)->setTailCall();
+      CallInst::CreateFree(FI->getOperand(0), I);
 
       // Delete the old free instruction
       I = --BBIL.erase(I);