Lines Matching refs:IsUndef
797 Use |= !MO.isUndef();798 else if (MO.getSubReg() && !MO.isUndef())1571 if (!MO.isReg() || !MO.isUse() || MO.isUndef())1700 void MachineInstr::setRegisterDefReadUndef(unsigned Reg, bool IsUndef) {1704 MO.setIsUndef(IsUndef);