diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Analysis/BasicAliasAnalysis.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp index 70626df..28f5556 100644 --- a/lib/Analysis/BasicAliasAnalysis.cpp +++ b/lib/Analysis/BasicAliasAnalysis.cpp @@ -222,7 +222,7 @@ namespace { private: // VisitedPHIs - Track PHI nodes visited by a aliasCheck() call. - SmallSet<const PHINode*, 16> VisitedPHIs; + SmallPtrSet<const PHINode*, 16> VisitedPHIs; // aliasGEP - Provide a bunch of ad-hoc rules to disambiguate a GEP instruction // against another. @@ -533,7 +533,7 @@ BasicAliasAnalysis::aliasPHI(const PHINode *PN, unsigned PNSize, if (!VisitedPHIs.insert(PN)) return MayAlias; - SmallSet<Value*, 4> UniqueSrc; + SmallPtrSet<Value*, 4> UniqueSrc; SmallVector<Value*, 4> V1Srcs; for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i) { Value *PV1 = PN->getIncomingValue(i); @@ -557,7 +557,7 @@ BasicAliasAnalysis::aliasPHI(const PHINode *PN, unsigned PNSize, // NoAlias / MustAlias. Otherwise, returns MayAlias. for (unsigned i = 1, e = V1Srcs.size(); i != e; ++i) { Value *V = V1Srcs[i]; - AliasResult ThisAlias = aliasCheck(V, PNSize, V2, V2Size); + AliasResult ThisAlias = aliasCheck(V2, V2Size, V, PNSize); if (ThisAlias != Alias || ThisAlias == MayAlias) return MayAlias; } |