Small optimization to avoid getting pass info when we will not run loop

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232826 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Berlin 2015-03-20 18:05:49 +00:00
parent 151a5da534
commit e7cec1e853

View File

@ -1526,6 +1526,9 @@ bool BasicAliasAnalysis::isValueEqualInPotentialCycles(const Value *V,
if (!Inst)
return true;
if (VisitedPhiBBs.empty())
return true;
if (VisitedPhiBBs.size() > MaxNumPhiBBsValueReachabilityCheck)
return false;