diff options
Diffstat (limited to 'lib/VMCore/ConstantFold.cpp')
| -rw-r--r-- | lib/VMCore/ConstantFold.cpp | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/lib/VMCore/ConstantFold.cpp b/lib/VMCore/ConstantFold.cpp index 7e4902fd5635..1d293ccbd44d 100644 --- a/lib/VMCore/ConstantFold.cpp +++ b/lib/VMCore/ConstantFold.cpp @@ -602,10 +602,8 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, return Constant::getNullValue(C1->getType()); case Instruction::UDiv: case Instruction::SDiv: - case Instruction::FDiv: case Instruction::URem: case Instruction::SRem: - case Instruction::FRem: if (!isa<UndefValue>(C2)) // undef / X -> 0 return Constant::getNullValue(C1->getType()); return const_cast<Constant*>(C2); // X / undef -> undef @@ -783,13 +781,13 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, switch (Opcode) { default: break; - case Instruction::Add: + case Instruction::FAdd: (void)C3V.add(C2V, APFloat::rmNearestTiesToEven); return ConstantFP::get(C3V); - case Instruction::Sub: + case Instruction::FSub: (void)C3V.subtract(C2V, APFloat::rmNearestTiesToEven); return ConstantFP::get(C3V); - case Instruction::Mul: + case Instruction::FMul: (void)C3V.multiply(C2V, APFloat::rmNearestTiesToEven); return ConstantFP::get(C3V); case Instruction::FDiv: @@ -808,12 +806,18 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, switch (Opcode) { default: break; - case Instruction::Add: + case Instruction::Add: return EvalVectorOp(CP1, CP2, VTy, ConstantExpr::getAdd); - case Instruction::Sub: + case Instruction::FAdd: + return EvalVectorOp(CP1, CP2, VTy, ConstantExpr::getFAdd); + case Instruction::Sub: return EvalVectorOp(CP1, CP2, VTy, ConstantExpr::getSub); - case Instruction::Mul: + case Instruction::FSub: + return EvalVectorOp(CP1, CP2, VTy, ConstantExpr::getFSub); + case Instruction::Mul: return EvalVectorOp(CP1, CP2, VTy, ConstantExpr::getMul); + case Instruction::FMul: + return EvalVectorOp(CP1, CP2, VTy, ConstantExpr::getFMul); case Instruction::UDiv: return EvalVectorOp(CP1, CP2, VTy, ConstantExpr::getUDiv); case Instruction::SDiv: @@ -851,7 +855,9 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, // other way if possible. switch (Opcode) { case Instruction::Add: + case Instruction::FAdd: case Instruction::Mul: + case Instruction::FMul: case Instruction::And: case Instruction::Or: case Instruction::Xor: @@ -862,6 +868,7 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode, case Instruction::LShr: case Instruction::AShr: case Instruction::Sub: + case Instruction::FSub: case Instruction::SDiv: case Instruction::UDiv: case Instruction::FDiv: |