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

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232826 91177308-0d34-0410-b5e6-96231b3b80d8
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Daniel Berlin
2015-03-20 18:05:49 +00:00
parent 151a5da534
commit e7cec1e853
1 changed files with 3 additions and 0 deletions
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3
lib/Analysis/BasicAliasAnalysis.cpp
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@@ -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;