From b3ccb6498cb1e87df409bb36e6403c19f6005efc Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Wed, 14 Oct 2009 06:46:26 +0000 Subject: Clear VisitedPHIs after use. llvm-svn: 84080 --- llvm/lib/Analysis/BasicAliasAnalysis.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'llvm') diff --git a/llvm/lib/Analysis/BasicAliasAnalysis.cpp b/llvm/lib/Analysis/BasicAliasAnalysis.cpp index ce1d8773eff..2c4efc4985b 100644 --- a/llvm/lib/Analysis/BasicAliasAnalysis.cpp +++ b/llvm/lib/Analysis/BasicAliasAnalysis.cpp @@ -203,8 +203,10 @@ namespace { BasicAliasAnalysis() : NoAA(&ID) {} AliasResult alias(const Value *V1, unsigned V1Size, const Value *V2, unsigned V2Size) { + assert(VisitedPHIs.empty() && "VisitedPHIs must be cleared after use!"); + AliasResult Alias = aliasCheck(V1, V1Size, V2, V2Size); VisitedPHIs.clear(); - return aliasCheck(V1, V1Size, V2, V2Size); + return Alias; } ModRefResult getModRefInfo(CallSite CS, Value *P, unsigned Size); -- cgit v1.2.3