182 void LiveVariables::HandleVirtRegDef(unsigned Reg, MachineInstr &MI) {  in HandleVirtRegDef()  argument
183   VarInfo &VRInfo = getVarInfo(Reg);  in HandleVirtRegDef()
192 MachineInstr *LiveVariables::FindLastPartialDef(unsigned Reg,  in FindLastPartialDef()  argument
197   for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) {  in FindLastPartialDef()
219     if (TRI->isSubRegister(Reg, DefReg)) {  in FindLastPartialDef()
231 void LiveVariables::HandlePhysRegUse(unsigned Reg, MachineInstr &MI) {  in HandlePhysRegUse()  argument
232   MachineInstr *LastDef = PhysRegDef[Reg];  in HandlePhysRegUse()
234   if (!LastDef && !PhysRegUse[Reg]) {  in HandlePhysRegUse()
244     MachineInstr *LastPartialDef = FindLastPartialDef(Reg, PartDefRegs);  in HandlePhysRegUse()
247       LastPartialDef->addOperand(MachineOperand::CreateReg(Reg, true/*IsDef*/,  in HandlePhysRegUse()
249       PhysRegDef[Reg] = LastPartialDef;  in HandlePhysRegUse()
251       for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) {  in HandlePhysRegUse()
267   } else if (LastDef && !PhysRegUse[Reg] &&  in HandlePhysRegUse()
268              !LastDef->findRegisterDefOperand(Reg))  in HandlePhysRegUse()
270     LastDef->addOperand(MachineOperand::CreateReg(Reg, true/*IsDef*/,  in HandlePhysRegUse()
274   for (MCSubRegIterator SubRegs(Reg, TRI, /*IncludeSelf=*/true);  in HandlePhysRegUse()
281 MachineInstr *LiveVariables::FindLastRefOrPartRef(unsigned Reg) {  in FindLastRefOrPartRef()  argument
282   MachineInstr *LastDef = PhysRegDef[Reg];  in FindLastRefOrPartRef()
283   MachineInstr *LastUse = PhysRegUse[Reg];  in FindLastRefOrPartRef()
290   for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) {  in FindLastRefOrPartRef()
311 bool LiveVariables::HandlePhysRegKill(unsigned Reg, MachineInstr *MI) {  in HandlePhysRegKill()  argument
312   MachineInstr *LastDef = PhysRegDef[Reg];  in HandlePhysRegKill()
313   MachineInstr *LastUse = PhysRegUse[Reg];  in HandlePhysRegKill()
339   for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) {  in HandlePhysRegKill()
364   if (!PhysRegUse[Reg]) {  in HandlePhysRegKill()
369     PhysRegDef[Reg]->addRegisterDead(Reg, TRI, true);  in HandlePhysRegKill()
370     for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) {  in HandlePhysRegKill()
375       if (PhysRegDef[Reg] == PhysRegDef[SubReg]) {  in HandlePhysRegKill()
376         MachineOperand *MO = PhysRegDef[Reg]->findRegisterDefOperand(SubReg);  in HandlePhysRegKill()
383         PhysRegDef[Reg]->addOperand(MachineOperand::CreateReg(SubReg,  in HandlePhysRegKill()
397   } else if (LastRefOrPartRef == PhysRegDef[Reg] && LastRefOrPartRef != MI) {  in HandlePhysRegKill()
400       LastPartDef->addOperand(MachineOperand::CreateReg(Reg, false/*IsDef*/,  in HandlePhysRegKill()
404         LastRefOrPartRef->findRegisterDefOperand(Reg, false, TRI);  in HandlePhysRegKill()
405       bool NeedEC = MO->isEarlyClobber() && MO->getReg() != Reg;  in HandlePhysRegKill()
408       LastRefOrPartRef->addRegisterDead(Reg, TRI, true);  in HandlePhysRegKill()
412         MO = LastRefOrPartRef->findRegisterDefOperand(Reg);  in HandlePhysRegKill()
418     LastRefOrPartRef->addRegisterKilled(Reg, TRI, true);  in HandlePhysRegKill()
426   for (unsigned Reg = 1, NumRegs = TRI->getNumRegs(); Reg != NumRegs; ++Reg) {  in HandleRegMask()  local
428     if (!PhysRegDef[Reg] && !PhysRegUse[Reg])  in HandleRegMask()
431     if (!MO.clobbersPhysReg(Reg))  in HandleRegMask()
435     unsigned Super = Reg;  in HandleRegMask()
436     for (MCSuperRegIterator SR(Reg, TRI); SR.isValid(); ++SR)  in HandleRegMask()
443 void LiveVariables::HandlePhysRegDef(unsigned Reg, MachineInstr *MI,  in HandlePhysRegDef()  argument
447   if (PhysRegDef[Reg] || PhysRegUse[Reg]) {  in HandlePhysRegDef()
448     for (MCSubRegIterator SubRegs(Reg, TRI, /*IncludeSelf=*/true);  in HandlePhysRegDef()
452     for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) {  in HandlePhysRegDef()
472   HandlePhysRegKill(Reg, MI);  in HandlePhysRegDef()
474   for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) {  in HandlePhysRegDef()
483     Defs.push_back(Reg);  // Remember this def.  in HandlePhysRegDef()
489     unsigned Reg = Defs.back();  in UpdatePhysRegDefs()  local
491     for (MCSubRegIterator SubRegs(Reg, TRI, /*IncludeSelf=*/true);  in UpdatePhysRegDefs()
658     const unsigned Reg = TargetRegisterInfo::index2VirtReg(i);  in runOnMachineFunction()  local
659     for (unsigned j = 0, e2 = VirtRegInfo[Reg].Kills.size(); j != e2; ++j)  in runOnMachineFunction()
660       if (VirtRegInfo[Reg].Kills[j] == MRI->getVRegDef(Reg))  in runOnMachineFunction()
661         VirtRegInfo[Reg].Kills[j]->addRegisterDead(Reg, TRI);  in runOnMachineFunction()
663         VirtRegInfo[Reg].Kills[j]->addRegisterKilled(Reg, TRI);  in runOnMachineFunction()
683 void LiveVariables::replaceKillInstruction(unsigned Reg, MachineInstr &OldMI,  in replaceKillInstruction()  argument
685   VarInfo &VI = getVarInfo(Reg);  in replaceKillInstruction()
696       unsigned Reg = MO.getReg();  in removeVirtualRegistersKilled()  local
697       if (TargetRegisterInfo::isVirtualRegister(Reg)) {  in removeVirtualRegistersKilled()
698         bool removed = getVarInfo(Reg).removeKill(MI);  in removeVirtualRegistersKilled()
723                                       unsigned Reg,  in isLiveIn()  argument
732   const MachineInstr *Def = MRI.getVRegDef(Reg);  in isLiveIn()
740 bool LiveVariables::isLiveOut(unsigned Reg, const MachineBasicBlock &MBB) {  in isLiveOut()  argument
741   LiveVariables::VarInfo &VI = getVarInfo(Reg);  in isLiveOut()
798     unsigned Reg = TargetRegisterInfo::index2VirtReg(i);  in addNewBlock()  local
801     if (Defs.count(Reg))  in addNewBlock()
806     VarInfo &VI = getVarInfo(Reg);  in addNewBlock()
807     if (Kills.count(Reg) || VI.AliveBlocks.test(SuccBB->getNumber()))  in addNewBlock()