diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstructionCombining.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstructionCombining.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp index 67f837c..b158e0f 100644 --- a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp +++ b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp @@ -2261,11 +2261,11 @@ Instruction *InstCombinerImpl::foldBinopWithPhiOperands(BinaryOperator &BO) { } Instruction *InstCombinerImpl::foldBinOpIntoSelectOrPhi(BinaryOperator &I) { - if (!isa<Constant>(I.getOperand(1))) - return nullptr; + bool IsOtherParamConst = isa<Constant>(I.getOperand(1)); if (auto *Sel = dyn_cast<SelectInst>(I.getOperand(0))) { - if (Instruction *NewSel = FoldOpIntoSelect(I, Sel)) + if (Instruction *NewSel = + FoldOpIntoSelect(I, Sel, false, !IsOtherParamConst)) return NewSel; } else if (auto *PN = dyn_cast<PHINode>(I.getOperand(0))) { if (Instruction *NewPhi = foldOpIntoPhi(I, PN)) |