971 static bool findRedundantFlagInstr(MachineInstr &CmpInstr,  in findRedundantFlagInstr()  argument
980   if (CmpInstr.getOpcode() != X86::TEST64rr)  in findRedundantFlagInstr()
986       (CmpInstr.getOperand(0).getReg() == CmpInstr.getOperand(1).getReg()) &&  in findRedundantFlagInstr()
995       (MRI->getVRegDef(CmpInstr.getOperand(0).getReg()) == &CmpValDefInstr) &&  in findRedundantFlagInstr()
4256 bool X86InstrInfo::optimizeCompareInstr(MachineInstr &CmpInstr, Register SrcReg,  in optimizeCompareInstr()  argument
4261   switch (CmpInstr.getOpcode()) {  in optimizeCompareInstr()
4278     if (!MRI->use_nodbg_empty(CmpInstr.getOperand(0).getReg()))  in optimizeCompareInstr()
4282     switch (CmpInstr.getOpcode()) {  in optimizeCompareInstr()
4300     CmpInstr.setDesc(get(NewOpcode));  in optimizeCompareInstr()
4301     CmpInstr.removeOperand(0);  in optimizeCompareInstr()
4303     CmpInstr.dropDebugNumber();  in optimizeCompareInstr()
4334   MachineBasicBlock &CmpMBB = *CmpInstr.getParent();  in optimizeCompareInstr()
4336       std::next(MachineBasicBlock::reverse_iterator(CmpInstr));  in optimizeCompareInstr()
4360             findRedundantFlagInstr(CmpInstr, Inst, MRI, &AndInstr, TRI,  in optimizeCompareInstr()
4393         if (isRedundantFlagInstr(CmpInstr, SrcReg, SrcReg2, CmpMask, CmpValue,  in optimizeCompareInstr()
4431       std::next(MachineBasicBlock::iterator(CmpInstr));  in optimizeCompareInstr()
4610   CmpInstr.eraseFromParent();  in optimizeCompareInstr()