return I->second;
}
-
/// AddRegisterOperand - Add the specified register as an operand to the
/// specified machine instr. Insert register copies if the register is
/// not in the required register class.
const ConstantFP *CFP = F->getConstantFPValue();
MI->addOperand(MachineOperand::CreateFPImm(CFP));
} else if (RegisterSDNode *R = dyn_cast<RegisterSDNode>(Op)) {
- MI->addOperand(MachineOperand::CreateReg(R->getReg(), false));
+ unsigned Reg = R->getReg();
+ const TargetInstrDesc &TID = MI->getDesc();
+ MI->addOperand(MachineOperand::CreateReg(Reg,
+ (Reg == 0 || !TID.OpInfo) ? false : TID.OpInfo[IIOpNum].isOptionalDef()));
} else if (GlobalAddressSDNode *TGA = dyn_cast<GlobalAddressSDNode>(Op)) {
MI->addOperand(MachineOperand::CreateGA(TGA->getGlobal(), TGA->getOffset(),
TGA->getTargetFlags()));