diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Analysis/ScalarEvolution.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp index e3ec2685cc..e3189ecc89 100644 --- a/lib/Analysis/ScalarEvolution.cpp +++ b/lib/Analysis/ScalarEvolution.cpp @@ -6149,10 +6149,9 @@ bool ScalarEvolution::isImpliedCond(ICmpInst::Predicate Pred, if (SimplifyICmpOperands(Pred, LHS, RHS)) if (LHS == RHS) return CmpInst::isTrueWhenEqual(Pred); - - // Canonicalize the found cond too. We can't conclude a result from the - // simplified values. - SimplifyICmpOperands(FoundPred, FoundLHS, FoundRHS); + if (SimplifyICmpOperands(FoundPred, FoundLHS, FoundRHS)) + if (FoundLHS == FoundRHS) + return CmpInst::isFalseWhenEqual(FoundPred); // Check to see if we can make the LHS or RHS match. if (LHS == FoundRHS || RHS == FoundLHS) { |