diff options
Diffstat (limited to 'llvm/lib/Analysis')
| -rw-r--r-- | llvm/lib/Analysis/ScalarEvolution.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp index 48c08b3e10f..9bc8f2dc83d 100644 --- a/llvm/lib/Analysis/ScalarEvolution.cpp +++ b/llvm/lib/Analysis/ScalarEvolution.cpp @@ -694,6 +694,10 @@ static int CompareSCEVComplexity( if (LNumOps != RNumOps) return (int)LNumOps - (int)RNumOps; + // Compare NoWrap flags. + if (LA->getNoWrapFlags() != RA->getNoWrapFlags()) + return (int)LA->getNoWrapFlags() - (int)RA->getNoWrapFlags(); + // Lexicographically compare. for (unsigned i = 0; i != LNumOps; ++i) { int X = CompareSCEVComplexity(EqCacheSCEV, EqCacheValue, LI, @@ -718,6 +722,10 @@ static int CompareSCEVComplexity( if (LNumOps != RNumOps) return (int)LNumOps - (int)RNumOps; + // Compare NoWrap flags. + if (LC->getNoWrapFlags() != RC->getNoWrapFlags()) + return (int)LC->getNoWrapFlags() - (int)RC->getNoWrapFlags(); + for (unsigned i = 0; i != LNumOps; ++i) { int X = CompareSCEVComplexity(EqCacheSCEV, EqCacheValue, LI, LC->getOperand(i), RC->getOperand(i), DT, |
