Re-disable kill flags, as there is more trouble.

llvm-svn: 102826
This commit is contained in:
Dan Gohman 2010-05-01 01:57:56 +00:00
parent 66d1a6ad69
commit fb5d6a5d70

View File

@ -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 && !IsDebug;
#else
bool isKill = false;
#endif
MI->addOperand(MachineOperand::CreateReg(VReg, isOptDef,
false/*isImp*/, isKill,