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recommit simplification (originally r109504, backed out in r109508) now that problem in CallSiteBase is fixed

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109547 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif 2010-07-27 22:02:00 +00:00
parent a6758446b7
commit 622b7cf147
1 changed files with 2 additions and 3 deletions
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5
lib/Analysis/MemoryDependenceAnalysis.cpp
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@ -120,10 +120,9 @@ getCallSiteDependencyFrom(CallSite CS, bool isReadOnlyCall,
Pointer = CI->getArgOperand(0);
// calls to free() erase the entire structure
PointerSize = ~0ULL;
} else if (isa<CallInst>(Inst) || isa<InvokeInst>(Inst)) {
} else if (CallSite InstCS = Inst) {
// Debug intrinsics don't cause dependences.
if (isa<DbgInfoIntrinsic>(Inst)) continue;
CallSite InstCS = CallSite::get(Inst);
// If these two calls do not interfere, look past it.
switch (AA->getModRefInfo(CS, InstCS)) {
case AliasAnalysis::NoModRef:
@ -387,7 +386,7 @@ MemDepResult MemoryDependenceAnalysis::getDependency(Instruction *QueryInst) {
MemSize = cast<ConstantInt>(II->getArgOperand(1))->getZExtValue();
break;
default:
CallSite QueryCS = CallSite::get(QueryInst);
CallSite QueryCS(QueryInst);
bool isReadOnly = AA->onlyReadsMemory(QueryCS);
LocalCache = getCallSiteDependencyFrom(QueryCS, isReadOnly, ScanPos,
QueryParent);