634         MachineInstr *DefMI = MRI->getVRegDef(TrueReg1);  in simplifyCode()  local
636         if (!DefMI)  in simplifyCode()
639         unsigned DefOpc = DefMI->getOpcode();  in simplifyCode()
649             TRI->lookThruCopyLike(DefMI->getOperand(1).getReg(), MRI);  in simplifyCode()
673           Register DefReg1 = DefMI->getOperand(1).getReg();  in simplifyCode()
674           Register DefReg2 = DefMI->getOperand(2).getReg();  in simplifyCode()
675           unsigned DefImmed = DefMI->getOperand(3).getImm();  in simplifyCode()
724                 .add(DefMI->getOperand(1));  in simplifyCode()
725             addRegToUpdate(DefMI->getOperand(0).getReg());  in simplifyCode()
726             addRegToUpdate(DefMI->getOperand(1).getReg());  in simplifyCode()
732                    (DefMI->getOperand(2).getImm() == 0 ||  in simplifyCode()
733                     DefMI->getOperand(2).getImm() == 3)) {  in simplifyCode()
748           DefMI->getOperand(0).setReg(MI.getOperand(0).getReg());  in simplifyCode()
767                    TII->isLoadFromConstantPool(DefMI)) {  in simplifyCode()
768           const Constant *C = TII->getConstantFromConstantPool(DefMI);  in simplifyCode()
793         MachineInstr *DefMI = MRI->getVRegDef(TrueReg);  in simplifyCode()  local
794         if (!DefMI)  in simplifyCode()
796         unsigned DefOpcode = DefMI->getOpcode();  in simplifyCode()
800           Register ConvReg = DefMI->getOperand(1).getReg();  in simplifyCode()
829           Register ShiftRes = DefMI->getOperand(0).getReg();  in simplifyCode()
830           Register ShiftOp1 = DefMI->getOperand(1).getReg();  in simplifyCode()
831           Register ShiftOp2 = DefMI->getOperand(2).getReg();  in simplifyCode()
832           unsigned ShiftImm = DefMI->getOperand(3).getImm();  in simplifyCode()
839               LLVM_DEBUG(DefMI->dump());  in simplifyCode()
840               ToErase = DefMI;  in simplifyCode()
860         MachineInstr *DefMI = MRI->getVRegDef(TrueReg);  in simplifyCode()  local
864         if (DefMI && DefMI->getOpcode() == PPC::XXPERMDI) {  in simplifyCode()
866             TRI->lookThruCopyLike(DefMI->getOperand(1).getReg(), MRI);  in simplifyCode()
868             TRI->lookThruCopyLike(DefMI->getOperand(2).getReg(), MRI);  in simplifyCode()
897               LLVM_DEBUG(DefMI->dump());  in simplifyCode()