summaryrefslogtreecommitdiffstats
path: root/llvm/lib
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib')
-rw-r--r--llvm/lib/Transforms/InstCombine/InstructionCombining.cpp10
1 files changed, 4 insertions, 6 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
index b74b3273acd..ba65ea6f510 100644
--- a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
@@ -568,13 +568,11 @@ static Value *tryFactorization(InstCombiner::BuilderTy *Builder,
if (isa<OverflowingBinaryOperator>(&I))
HasNSW = I.hasNoSignedWrap();
- if (BinaryOperator *Op0 = dyn_cast<BinaryOperator>(LHS))
- if (isa<OverflowingBinaryOperator>(Op0))
- HasNSW &= Op0->hasNoSignedWrap();
+ if (auto *LOBO = dyn_cast<OverflowingBinaryOperator>(LHS))
+ HasNSW &= LOBO->hasNoSignedWrap();
- if (BinaryOperator *Op1 = dyn_cast<BinaryOperator>(RHS))
- if (isa<OverflowingBinaryOperator>(Op1))
- HasNSW &= Op1->hasNoSignedWrap();
+ if (auto *ROBO = dyn_cast<OverflowingBinaryOperator>(RHS))
+ HasNSW &= ROBO->hasNoSignedWrap();
// We can propagate 'nsw' if we know that
// %Y = mul nsw i16 %X, C
OpenPOWER on IntegriCloud