diff options
-rw-r--r-- | lib/Transforms/Scalar/LoopStrengthReduce.cpp | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp index 9562cf8d5d..73e44d7edf 100644 --- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp +++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp @@ -1895,15 +1895,13 @@ ICmpInst *LSRInstance::OptimizeMax(ICmpInst *Cond, IVStrideUse* &CondUse) { if (ICmpInst::isTrueWhenEqual(Pred)) { // Look for n+1, and grab n. if (AddOperator *BO = dyn_cast<AddOperator>(Sel->getOperand(1))) - if (isa<ConstantInt>(BO->getOperand(1)) && - cast<ConstantInt>(BO->getOperand(1))->isOne() && - SE.getSCEV(BO->getOperand(0)) == MaxRHS) - NewRHS = BO->getOperand(0); + if (ConstantInt *BO1 = dyn_cast<ConstantInt>(BO->getOperand(1))) + if (BO1->isOne() && SE.getSCEV(BO->getOperand(0)) == MaxRHS) + NewRHS = BO->getOperand(0); if (AddOperator *BO = dyn_cast<AddOperator>(Sel->getOperand(2))) - if (isa<ConstantInt>(BO->getOperand(1)) && - cast<ConstantInt>(BO->getOperand(1))->isOne() && - SE.getSCEV(BO->getOperand(0)) == MaxRHS) - NewRHS = BO->getOperand(0); + if (ConstantInt *BO1 = dyn_cast<ConstantInt>(BO->getOperand(1))) + if (BO1->isOne() && SE.getSCEV(BO->getOperand(0)) == MaxRHS) + NewRHS = BO->getOperand(0); if (!NewRHS) return Cond; } else if (SE.getSCEV(Sel->getOperand(1)) == MaxRHS) |