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-rw-r--r--lib/CodeGen/TargetInstrInfoImpl.cpp4
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/CodeGen/TargetInstrInfoImpl.cpp b/lib/CodeGen/TargetInstrInfoImpl.cpp
index 598b94a..4f6c123 100644
--- a/lib/CodeGen/TargetInstrInfoImpl.cpp
+++ b/lib/CodeGen/TargetInstrInfoImpl.cpp
@@ -23,11 +23,9 @@ MachineInstr *TargetInstrInfoImpl::commuteInstruction(MachineInstr *MI) const {
"This only knows how to commute register operands so far");
unsigned Reg1 = MI->getOperand(1).getReg();
unsigned Reg2 = MI->getOperand(2).getReg();
- MachineOperand &MO = MI->getOperand(0);
- bool UpdateReg0 = MO.isReg() && MO.getReg() == Reg1;
bool Reg1IsKill = MI->getOperand(1).isKill();
bool Reg2IsKill = MI->getOperand(2).isKill();
- if (UpdateReg0) {
+ if (MI->getOperand(0).getReg() == Reg1) {
// Must be two address instruction!
assert(MI->getDesc().getOperandConstraint(0, TOI::TIED_TO) &&
"Expecting a two-address instruction!");