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remove a isFreeCall check: it is a callinst that can write to memory already.

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llvm-svn: 85863
This commit is contained in:
Chris Lattner 2009-11-03 05:33:46 +00:00
parent a474928cda
commit 9d0f925cf0
1 changed files with 2 additions and 3 deletions
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5
lib/Transforms/Utils/Local.cpp
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@ -24,7 +24,6 @@
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/Analysis/ConstantFolding.h"
#include "llvm/Analysis/DebugInfo.h"
#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Analysis/ProfileInfo.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
@ -60,8 +59,8 @@ bool llvm::isSafeToLoadUnconditionally(Value *V, Instruction *ScanFrom) {
// If we see a free or a call which may write to memory (i.e. which might do
// a free) the pointer could be marked invalid.
if (isFreeCall(BBI) || (isa<CallInst>(BBI) && BBI->mayWriteToMemory() &&
!isa<DbgInfoIntrinsic>(BBI)))
if (isa<CallInst>(BBI) && BBI->mayWriteToMemory() &&
!isa<DbgInfoIntrinsic>(BBI))
return false;
if (LoadInst *LI = dyn_cast<LoadInst>(BBI)) {