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Remove FreeInst.

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Remove LowerAllocations pass.
Update some more passes to treate free calls just like they were treating FreeInst.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85176 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Victor Hernandez
2009-10-26 23:43:48 +00:00
parent dda9583e51
commit 046e78ce55
40 changed files with 131 additions and 401 deletions
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7
lib/Analysis/CaptureTracking.cpp
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@ -17,6 +17,7 @@
//===----------------------------------------------------------------------===//
#include "llvm/Analysis/CaptureTracking.h"
#include "llvm/Analysis/MallocHelper.h"
#include "llvm/Instructions.h"
#include "llvm/Value.h"
#include "llvm/ADT/SmallSet.h"
@ -48,6 +49,9 @@ bool llvm::PointerMayBeCaptured(const Value *V, bool ReturnCaptures) {
switch (I->getOpcode()) {
case Instruction::Call:
if (isFreeCall(I))
// Freeing a pointer does not cause it to be captured.
break;
case Instruction::Invoke: {
CallSite CS = CallSite::get(I);
// Not captured if the callee is readonly, doesn't return a copy through
@ -73,9 +77,6 @@ bool llvm::PointerMayBeCaptured(const Value *V, bool ReturnCaptures) {
// captured.
break;
}
case Instruction::Free:
// Freeing a pointer does not cause it to be captured.
break;
case Instruction::Load:
// Loading from a pointer does not cause it to be captured.
break;