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

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85863 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-11-03 05:33:46 +00:00
parent 92dbd0b320
commit 938e176633
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/ADT/SmallPtrSet.h"
#include "llvm/Analysis/ConstantFolding.h" #include "llvm/Analysis/ConstantFolding.h"
#include "llvm/Analysis/DebugInfo.h" #include "llvm/Analysis/DebugInfo.h"
#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Analysis/ProfileInfo.h" #include "llvm/Analysis/ProfileInfo.h"
#include "llvm/Target/TargetData.h" #include "llvm/Target/TargetData.h"
#include "llvm/Support/GetElementPtrTypeIterator.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 // 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. // a free) the pointer could be marked invalid.
if (isFreeCall(BBI) || (isa<CallInst>(BBI) && BBI->mayWriteToMemory() && if (isa<CallInst>(BBI) && BBI->mayWriteToMemory() &&
!isa<DbgInfoIntrinsic>(BBI))) !isa<DbgInfoIntrinsic>(BBI))
return false; return false;
if (LoadInst *LI = dyn_cast<LoadInst>(BBI)) { if (LoadInst *LI = dyn_cast<LoadInst>(BBI)) {