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Don't give up completely, maybe other AA can say something about this.

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llvm-svn: 20873
This commit is contained in:
Chris Lattner 2005-03-27 00:02:33 +00:00
parent 3a88055932
commit de6cc372e3
1 changed files with 2 additions and 1 deletions
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3
lib/Analysis/DataStructure/DataStructureAA.cpp
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@ -138,7 +138,8 @@ AliasAnalysis::AliasResult DSAA::alias(const Value *V1, unsigned V1Size,
DSNode *N1 = I->second.getNode(), *N2 = J->second.getNode();
unsigned O1 = I->second.getOffset(), O2 = J->second.getOffset();
if (N1 == 0 || N2 == 0)
return MayAlias; // Can't tell whether anything aliases null.
// Can't tell whether anything aliases null.
return AliasAnalysis::alias(V1, V1Size, V2, V2Size);
// We can only make a judgment of one of the nodes is complete...
if (N1->isComplete() || N2->isComplete()) {