100     bool isProfitableToCommute(unsigned regB, unsigned regC,
528 TwoAddressInstructionPass::isProfitableToCommute(unsigned regB, unsigned regC,  in isProfitableToCommute()  argument
562   unsigned FromRegB = getMappedReg(regB, SrcRegMap);  in isProfitableToCommute()
564   unsigned ToRegB = getMappedReg(regB, DstRegMap);  in isProfitableToCommute()
581   if (!NoUseAfterLastDef(regB, MBB, Dist, LastDefB))  in isProfitableToCommute()
868   unsigned regB = mi->getOperand(SrcIdx).getReg();  in TryInstructionTransform()  local
870   assert(TargetRegisterInfo::isVirtualRegister(regB) &&  in TryInstructionTransform()
875   bool regBKilled = isKilled(*mi, regB, MRI, TII);  in TryInstructionTransform()
901       else if (isProfitableToCommute(regB, regC, mi, mbbi, Dist)) {  in TryInstructionTransform()
909   if (TryCommute && CommuteInstruction(mi, mbbi, regB, regC, Dist)) {  in TryInstructionTransform()
922     if (!regBKilled || isProfitableToConv3Addr(regA, regB)) {  in TryInstructionTransform()
924       if (ConvertInstTo3Addr(mi, nmi, mbbi, regA, regB, Dist)) {  in TryInstructionTransform()
979         unsigned NewSrcIdx = NewMIs[1]->findRegisterUseOperandIdx(regB);  in TryInstructionTransform()
1109         unsigned regB = mi->getOperand(SrcIdx).getReg();  in runOnMachineFunction()  local
1110         TiedOperands[regB].push_back(std::make_pair(SrcIdx, DstIdx));  in runOnMachineFunction()
1139         unsigned regB = OI->first;  in runOnMachineFunction()  local
1150           regB = mi->getOperand(SrcIdx).getReg();  in runOnMachineFunction()
1152           if (regA == regB) {  in runOnMachineFunction()
1161           assert(TargetRegisterInfo::isVirtualRegister(regB) &&  in runOnMachineFunction()
1175           const TargetRegisterClass *rc = MRI->getRegClass(regB);  in runOnMachineFunction()
1176           MachineInstr *DefMI = MRI->getVRegDef(regB);  in runOnMachineFunction()
1181               DefMI->isSafeToReMat(TII, AA, regB) &&  in runOnMachineFunction()
1182               isProfitableToReMat(regB, rc, mi, DefMI, mbbi, Dist)){  in runOnMachineFunction()
1186             ReMatRegs.set(TargetRegisterInfo::virtReg2Index(regB));  in runOnMachineFunction()
1190                     regA).addReg(regB);  in runOnMachineFunction()
1201           assert(MO.isReg() && MO.getReg() == regB && MO.isUse() &&  in runOnMachineFunction()
1215               if (MO.isReg() && MO.getReg() == regB && MO.isUse()) {  in runOnMachineFunction()
1226           if (RemovedKillFlag && LV && LV->getVarInfo(regB).removeKill(mi))  in runOnMachineFunction()
1227             LV->addVirtualRegisterKilled(regB, prior(mi));  in runOnMachineFunction()
1236             if (MO.isReg() && MO.getReg() == regB && MO.isUse()) {  in runOnMachineFunction()