531         MachineInstr *DefMI = MRI->getVRegDef(TrueReg1);  in simplifyCode()  local
533         if (!DefMI)  in simplifyCode()
536         unsigned DefOpc = DefMI->getOpcode();  in simplifyCode()
546             TRI->lookThruCopyLike(DefMI->getOperand(1).getReg(), MRI);  in simplifyCode()
569           Register DefReg1 = DefMI->getOperand(1).getReg();  in simplifyCode()
570           Register DefReg2 = DefMI->getOperand(2).getReg();  in simplifyCode()
571           unsigned DefImmed = DefMI->getOperand(3).getImm();  in simplifyCode()
615                 .add(DefMI->getOperand(1));  in simplifyCode()
621                    (DefMI->getOperand(2).getImm() == 0 ||  in simplifyCode()
622                     DefMI->getOperand(2).getImm() == 3)) {  in simplifyCode()
636           DefMI->getOperand(0).setReg(MI.getOperand(0).getReg());  in simplifyCode()
651         MachineInstr *DefMI = MRI->getVRegDef(TrueReg);  in simplifyCode()  local
652         if (!DefMI)  in simplifyCode()
654         unsigned DefOpcode = DefMI->getOpcode();  in simplifyCode()
658           Register ConvReg = DefMI->getOperand(1).getReg();  in simplifyCode()
686           Register ShiftRes = DefMI->getOperand(0).getReg();  in simplifyCode()
687           Register ShiftOp1 = DefMI->getOperand(1).getReg();  in simplifyCode()
688           Register ShiftOp2 = DefMI->getOperand(2).getReg();  in simplifyCode()
689           unsigned ShiftImm = DefMI->getOperand(3).getImm();  in simplifyCode()
696               LLVM_DEBUG(DefMI->dump());  in simplifyCode()
697               ToErase = DefMI;  in simplifyCode()
715         MachineInstr *DefMI = MRI->getVRegDef(TrueReg);  in simplifyCode()  local
719         if (DefMI && DefMI->getOpcode() == PPC::XXPERMDI) {  in simplifyCode()
721             TRI->lookThruCopyLike(DefMI->getOperand(1).getReg(), MRI);  in simplifyCode()
723             TRI->lookThruCopyLike(DefMI->getOperand(2).getReg(), MRI);  in simplifyCode()
753               LLVM_DEBUG(DefMI->dump());  in simplifyCode()