AMDGPU: Remove another unnecessary check from commuteInstruction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@248475 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2015-09-24 07:51:25 +00:00
parent f248cd4de4
commit e7de900cec

View File

@ -790,17 +790,12 @@ MachineInstr *SIInstrInfo::commuteInstruction(MachineInstr *MI,
int Src0Idx = AMDGPU::getNamedOperandIdx(MI->getOpcode(),
AMDGPU::OpName::src0);
assert(Src0Idx != -1 && "Should always have src0 operand");
MachineOperand &Src0 = MI->getOperand(Src0Idx);
if (!Src0.isReg())
return nullptr;
int Src1Idx = AMDGPU::getNamedOperandIdx(MI->getOpcode(),
AMDGPU::OpName::src1);
if (Src1Idx == -1)
return nullptr;
MachineOperand &Src1 = MI->getOperand(Src1Idx);
// Make sure it's legal to commute operands for VOP2.