diff options
| -rw-r--r-- | lib/Transforms/Scalar/InstructionCombining.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index 3c46e2c554..8a797bfe22 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -509,8 +509,9 @@ Instruction *InstCombiner::visitAdd(BinaryOperator &I) { } // X + X --> X << 1 - if (I.getType()->isInteger()) + if (I.getType()->isInteger()) { if (Instruction *Result = AssociativeOpt(I, AddRHS(RHS))) return Result; + } // -A + B --> B - A if (Value *V = dyn_castNegVal(LHS)) @@ -745,8 +746,7 @@ Instruction *InstCombiner::visitMul(BinaryOperator &I) { if (uint64_t C = Log2(Val)) // Replace X*(2^C) with X << C return new ShiftInst(Instruction::Shl, Op0, ConstantUInt::get(Type::UByteTy, C)); - } else { - ConstantFP *Op1F = cast<ConstantFP>(Op1); + } else if (ConstantFP *Op1F = dyn_cast<ConstantFP>(Op1)) { if (Op1F->isNullValue()) return ReplaceInstUsesWith(I, Op1); |