diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/InstrEmitter.cpp | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp index 5f0c0e8d4f..1d44ff6629 100644 --- a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp +++ b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp @@ -296,7 +296,6 @@ InstrEmitter::AddRegisterOperand(MachineInstr *MI, SDValue Op, } } -#if 0 // If this value has only one use, that use is a kill. This is a // conservative approximation. Tied operands are never killed, so we need // to check that. And that means we need to determine the index of the @@ -306,10 +305,7 @@ InstrEmitter::AddRegisterOperand(MachineInstr *MI, SDValue Op, MI->getOperand(Idx-1).isReg() && MI->getOperand(Idx-1).isImplicit()) --Idx; bool isTied = MI->getDesc().getOperandConstraint(Idx, TOI::TIED_TO) != -1; - bool isKill = Op.hasOneUse() && !isTied; -#else - bool isKill = false; -#endif + bool isKill = Op.hasOneUse() && !isTied && !IsDebug; MI->addOperand(MachineOperand::CreateReg(VReg, isOptDef, false/*isImp*/, isKill, |