diff options
Diffstat (limited to 'lib/Transforms/Scalar/InstructionCombining.cpp')
-rw-r--r-- | lib/Transforms/Scalar/InstructionCombining.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index 9023db7d50..6cac395405 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -3023,7 +3023,7 @@ Instruction *InstCombiner::visitSRem(BinaryOperator &I) { I.setOperand(1, RHSNeg); return &I; } - + // If the sign bits of both operands are zero (i.e. we can prove they are // unsigned inputs), turn this into a urem. if (I.getType()->isInteger()) { @@ -4205,7 +4205,8 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) { // Ensure that the larger constant is on the RHS. ICmpInst *LHS = cast<ICmpInst>(Op0); bool NeedsSwap; - if (ICmpInst::isSignedPredicate(LHSCC)) + if (ICmpInst::isEquality(LHSCC) ? ICmpInst::isSignedPredicate(RHSCC) + : ICmpInst::isSignedPredicate(LHSCC)) NeedsSwap = LHSCst->getValue().sgt(RHSCst->getValue()); else NeedsSwap = LHSCst->getValue().ugt(RHSCst->getValue()); |