diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/InstrEmitter.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp index e944dfd17d..bf65cb56f1 100644 --- a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp +++ b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp @@ -296,6 +296,7 @@ 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 @@ -306,6 +307,9 @@ InstrEmitter::AddRegisterOperand(MachineInstr *MI, SDValue Op, --Idx; bool isTied = MI->getDesc().getOperandConstraint(Idx, TOI::TIED_TO) != -1; bool isKill = Op.hasOneUse() && !isTied; +#else + bool isKill = false; +#endif MI->addOperand(MachineOperand::CreateReg(VReg, isOptDef, false/*isImp*/, isKill, |