71   void Lower(const MachineInstr *MI, MCInst &OutMI) const;
396 void X86MCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {  in Lower()
397   OutMI.setOpcode(MI->getOpcode());  in Lower()
401       OutMI.addOperand(*MaybeMCOp);  in Lower()
404   if (X86::optimizeInstFromVEX3ToVEX2(OutMI, MI->getDesc()) ||  in Lower()
405       X86::optimizeShiftRotateWithImmediateOne(OutMI) ||  in Lower()
406       X86::optimizeVPCMPWithImmediateOneOrSix(OutMI) ||  in Lower()
407       X86::optimizeMOVSX(OutMI) || X86::optimizeINCDEC(OutMI, In64BitMode) ||  in Lower()
408       X86::optimizeMOV(OutMI, In64BitMode) ||  in Lower()
409       X86::optimizeToFixedRegisterOrShortImmediateForm(OutMI))  in Lower()
413   switch (OutMI.getOpcode()) {  in Lower()
419     assert(OutMI.getNumOperands() == 1 + X86::AddrNumOperands &&  in Lower()
421     assert(OutMI.getOperand(1 + X86::AddrSegmentReg).getReg() == 0 &&  in Lower()
430     switch (OutMI.getOpcode()) {  in Lower()
437     OutMI.setOpcode(NewOpc);  in Lower()
439     unsigned DestReg = OutMI.getOperand(0).getReg();  in Lower()
440     OutMI.insert(OutMI.begin(), MCOperand::createReg(DestReg));  in Lower()
449     assert(OutMI.getNumOperands() == 1 && "Unexpected number of operands!");  in Lower()
453     OutMI = MCInst();  in Lower()
454     OutMI.setOpcode(getRetOpcode(AsmPrinter.getSubtarget()));  in Lower()
459     OutMI = MCInst();  in Lower()
460     OutMI.setOpcode(getRetOpcode(AsmPrinter.getSubtarget()));  in Lower()
467     OutMI = MCInst();  in Lower()
468     OutMI.setOpcode(getRetOpcode(Subtarget));  in Lower()
469     OutMI.addOperand(MCOperand::createReg(ReturnReg));  in Lower()
479     assert(OutMI.getNumOperands() == 1 && "Unexpected number of operands!");  in Lower()
480     OutMI.setOpcode(convertTailJumpOpcode(OutMI.getOpcode()));  in Lower()
484     assert(OutMI.getNumOperands() == 2 && "Unexpected number of operands!");  in Lower()
485     OutMI.setOpcode(convertTailJumpOpcode(OutMI.getOpcode()));  in Lower()
490     assert(OutMI.getNumOperands() == X86::AddrNumOperands &&  in Lower()
492     OutMI.setOpcode(convertTailJumpOpcode(OutMI.getOpcode()));  in Lower()
497       OutMI.setFlags(X86::IP_HAS_AD_SIZE);  in Lower()
511       OutMI.setFlags(X86::IP_HAS_REPEAT);  in Lower()