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Introduce a symbolic constant for ~0u for use with AliasAnalysis.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110091 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-08-03 01:03:11 +00:00
parent 847a84efd2
commit ef1cfac9e5
3 changed files with 16 additions and 10 deletions
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4
lib/Analysis/ScalarEvolutionAliasAnalysis.cpp
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@ -155,8 +155,8 @@ ScalarEvolutionAliasAnalysis::alias(const Value *A, unsigned ASize,
Value *AO = GetBaseValue(AS);
Value *BO = GetBaseValue(BS);
if ((AO && AO != A) || (BO && BO != B))
if (alias(AO ? AO : A, AO ? ~0u : ASize,
BO ? BO : B, BO ? ~0u : BSize) == NoAlias)
if (alias(AO ? AO : A, AO ? UnknownSize : ASize,
BO ? BO : B, BO ? UnknownSize : BSize) == NoAlias)
return NoAlias;
// Forward the query to the next analysis.