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Fix bug: LICM/2003-02-28-PromoteDifferentType.ll

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llvm-svn: 5675
This commit is contained in:
Chris Lattner 2003-02-28 19:21:40 +00:00
parent 0e86077efc
commit 09c35df4e9
1 changed files with 8 additions and 2 deletions
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10
lib/Transforms/Scalar/LICM.cpp
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@ -487,9 +487,15 @@ void LICM::findPromotableValuesInLoop(
bool PointerOk = true;
for (std::set<Value*>::const_iterator I =CurLBI->LoadedPointers.begin(),
E = CurLBI->LoadedPointers.end(); I != E; ++I)
if (AA->alias(V, ~0, *I, ~0) == AliasAnalysis::MayAlias) {
E = CurLBI->LoadedPointers.end(); PointerOk && I != E; ++I)
switch (AA->alias(V, ~0, *I, ~0)) {
case AliasAnalysis::MustAlias:
if (V->getType() != (*I)->getType())
PointerOk = false;
break;
case AliasAnalysis::MayAlias:
PointerOk = false;
case AliasAnalysis::NoAlias:
break;
}