diff options
Diffstat (limited to 'lib/Analysis/ValueTracking.cpp')
| -rw-r--r-- | lib/Analysis/ValueTracking.cpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp index 0ef39163bda3..edd46c5fe362 100644 --- a/lib/Analysis/ValueTracking.cpp +++ b/lib/Analysis/ValueTracking.cpp @@ -2817,10 +2817,13 @@ static bool cannotBeOrderedLessThanZeroImpl(const Value *V, default: break; case Intrinsic::maxnum: - return cannotBeOrderedLessThanZeroImpl(I->getOperand(0), TLI, SignBitOnly, - Depth + 1) || - cannotBeOrderedLessThanZeroImpl(I->getOperand(1), TLI, SignBitOnly, - Depth + 1); + return (isKnownNeverNaN(I->getOperand(0)) && + cannotBeOrderedLessThanZeroImpl(I->getOperand(0), TLI, + SignBitOnly, Depth + 1)) || + (isKnownNeverNaN(I->getOperand(1)) && + cannotBeOrderedLessThanZeroImpl(I->getOperand(1), TLI, + SignBitOnly, Depth + 1)); + case Intrinsic::minnum: return cannotBeOrderedLessThanZeroImpl(I->getOperand(0), TLI, SignBitOnly, Depth + 1) && |