920         Register NarrowReg = MI.getOperand(1).getReg();  in simplifyCode()  local
921         if (!NarrowReg.isVirtual())  in simplifyCode()
924         MachineInstr *SrcMI = MRI->getVRegDef(NarrowReg);  in simplifyCode()
947           addRegToUpdate(NarrowReg);  in simplifyCode()
953           addDummyDef(MBB, &MI, NarrowReg);  in simplifyCode()
971         Register NarrowReg = MI.getOperand(1).getReg();  in simplifyCode()  local
972         if (!NarrowReg.isVirtual())  in simplifyCode()
975         MachineInstr *SrcMI = MRI->getVRegDef(NarrowReg);  in simplifyCode()
1019           addRegToUpdate(NarrowReg);  in simplifyCode()
1025           addDummyDef(MBB, &MI, NarrowReg);  in simplifyCode()
1037                    TII->isSignExtended(NarrowReg, MRI)) {  in simplifyCode()
1048               .addReg(NarrowReg)  in simplifyCode()