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Don't pass the raw invalid pointer used to represent conflicting

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TBAA information to AliasAnalysis.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116751 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-10-18 21:28:00 +00:00
parent b41ee96d76
commit fb8096dee5
3 changed files with 49 additions and 4 deletions
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8
lib/Analysis/AliasSetTracker.cpp
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@@ -158,7 +158,8 @@ bool AliasSet::aliasesPointer(const Value *Ptr, unsigned Size,
// to be sure it doesn't alias the set...
for (iterator I = begin(), E = end(); I != E; ++I)
if (AA.alias(AliasAnalysis::Location(Ptr, Size, TBAAInfo),
AliasAnalysis::Location(I.getPointer(), I.getSize(), I.getTBAAInfo())))
AliasAnalysis::Location(I.getPointer(), I.getSize(),
I.getTBAAInfo())))
return true;
// Check the call sites list and invoke list...
@@ -376,7 +377,7 @@ void AliasSetTracker::add(const AliasSetTracker &AST) {
bool X;
for (AliasSet::iterator ASI = AS.begin(), E = AS.end(); ASI != E; ++ASI) {
AliasSet &NewAS = addPointer(ASI.getPointer(), ASI.getSize(),
ASI.getTBAAInfo(),
ASI.getRawTBAAInfo(),
(AliasSet::AccessType)AS.AccessTy, X);
if (AS.isVolatile()) NewAS.setVolatile();
}
@@ -531,7 +532,8 @@ void AliasSetTracker::copyValue(Value *From, Value *To) {
// Add it to the alias set it aliases...
I = PointerMap.find(From);
AliasSet *AS = I->second->getAliasSet(*this);
AS->addPointer(*this, Entry, I->second->getSize(), I->second->getTBAAInfo(),
AS->addPointer(*this, Entry, I->second->getSize(),
I->second->getRawTBAAInfo(),
true);
}