178 void LiveVariables::HandleVirtRegDef(unsigned Reg, MachineInstr *MI) {  in HandleVirtRegDef()  argument
179   VarInfo &VRInfo = getVarInfo(Reg);  in HandleVirtRegDef()
188 MachineInstr *LiveVariables::FindLastPartialDef(unsigned Reg,  in FindLastPartialDef()  argument
193   for (const unsigned *SubRegs = TRI->getSubRegisters(Reg);  in FindLastPartialDef()
215     if (TRI->isSubRegister(Reg, DefReg)) {  in FindLastPartialDef()
228 void LiveVariables::HandlePhysRegUse(unsigned Reg, MachineInstr *MI) {  in HandlePhysRegUse()  argument
229   MachineInstr *LastDef = PhysRegDef[Reg];  in HandlePhysRegUse()
231   if (!LastDef && !PhysRegUse[Reg]) {  in HandlePhysRegUse()
241     MachineInstr *LastPartialDef = FindLastPartialDef(Reg, PartDefRegs);  in HandlePhysRegUse()
244       LastPartialDef->addOperand(MachineOperand::CreateReg(Reg, true/*IsDef*/,  in HandlePhysRegUse()
246       PhysRegDef[Reg] = LastPartialDef;  in HandlePhysRegUse()
248       for (const unsigned *SubRegs = TRI->getSubRegisters(Reg);  in HandlePhysRegUse()
265   else if (LastDef && !PhysRegUse[Reg] &&  in HandlePhysRegUse()
266            !LastDef->findRegisterDefOperand(Reg))  in HandlePhysRegUse()
268     LastDef->addOperand(MachineOperand::CreateReg(Reg,  in HandlePhysRegUse()
272   PhysRegUse[Reg]  = MI;  in HandlePhysRegUse()
273   for (const unsigned *SubRegs = TRI->getSubRegisters(Reg);  in HandlePhysRegUse()
280 MachineInstr *LiveVariables::FindLastRefOrPartRef(unsigned Reg) {  in FindLastRefOrPartRef()  argument
281   MachineInstr *LastDef = PhysRegDef[Reg];  in FindLastRefOrPartRef()
282   MachineInstr *LastUse = PhysRegUse[Reg];  in FindLastRefOrPartRef()
289   for (const unsigned *SubRegs = TRI->getSubRegisters(Reg);  in FindLastRefOrPartRef()
310 bool LiveVariables::HandlePhysRegKill(unsigned Reg, MachineInstr *MI) {  in HandlePhysRegKill()  argument
311   MachineInstr *LastDef = PhysRegDef[Reg];  in HandlePhysRegKill()
312   MachineInstr *LastUse = PhysRegUse[Reg];  in HandlePhysRegKill()
338   for (const unsigned *SubRegs = TRI->getSubRegisters(Reg);  in HandlePhysRegKill()
363   if (!PhysRegUse[Reg]) {  in HandlePhysRegKill()
368     PhysRegDef[Reg]->addRegisterDead(Reg, TRI, true);  in HandlePhysRegKill()
369     for (const unsigned *SubRegs = TRI->getSubRegisters(Reg);  in HandlePhysRegKill()
374       if (PhysRegDef[Reg] == PhysRegDef[SubReg]) {  in HandlePhysRegKill()
375         MachineOperand *MO = PhysRegDef[Reg]->findRegisterDefOperand(SubReg);  in HandlePhysRegKill()
382         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()
422 void LiveVariables::HandlePhysRegDef(unsigned Reg, MachineInstr *MI,  in HandlePhysRegDef()  argument
426   if (PhysRegDef[Reg] || PhysRegUse[Reg]) {  in HandlePhysRegDef()
427     Live.insert(Reg);  in HandlePhysRegDef()
428     for (const unsigned *SS = TRI->getSubRegisters(Reg); *SS; ++SS)  in HandlePhysRegDef()
431     for (const unsigned *SubRegs = TRI->getSubRegisters(Reg);  in HandlePhysRegDef()
451   HandlePhysRegKill(Reg, MI);  in HandlePhysRegDef()
453   for (const unsigned *SubRegs = TRI->getSubRegisters(Reg);  in HandlePhysRegDef()
462     Defs.push_back(Reg);  // Remember this def.  in HandlePhysRegDef()
468     unsigned Reg = Defs.back();  in UpdatePhysRegDefs()  local
470     PhysRegDef[Reg]  = MI;  in UpdatePhysRegDefs()
471     PhysRegUse[Reg]  = NULL;  in UpdatePhysRegDefs()
472     for (const unsigned *SubRegs = TRI->getSubRegisters(Reg);  in UpdatePhysRegDefs()
623     const unsigned Reg = TargetRegisterInfo::index2VirtReg(i);  in runOnMachineFunction()  local
624     for (unsigned j = 0, e2 = VirtRegInfo[Reg].Kills.size(); j != e2; ++j)  in runOnMachineFunction()
625       if (VirtRegInfo[Reg].Kills[j] == MRI->getVRegDef(Reg))  in runOnMachineFunction()
626         VirtRegInfo[Reg].Kills[j]->addRegisterDead(Reg, TRI);  in runOnMachineFunction()
628         VirtRegInfo[Reg].Kills[j]->addRegisterKilled(Reg, TRI);  in runOnMachineFunction()
648 void LiveVariables::replaceKillInstruction(unsigned Reg, MachineInstr *OldMI,  in replaceKillInstruction()  argument
650   VarInfo &VI = getVarInfo(Reg);  in replaceKillInstruction()
661       unsigned Reg = MO.getReg();  in removeVirtualRegistersKilled()  local
662       if (TargetRegisterInfo::isVirtualRegister(Reg)) {  in removeVirtualRegistersKilled()
663         bool removed = getVarInfo(Reg).removeKill(MI);  in removeVirtualRegistersKilled()
686                                       unsigned Reg,  in isLiveIn()  argument
695   const MachineInstr *Def = MRI.getVRegDef(Reg);  in isLiveIn()
703 bool LiveVariables::isLiveOut(unsigned Reg, const MachineBasicBlock &MBB) {  in isLiveOut()  argument
704   LiveVariables::VarInfo &VI = getVarInfo(Reg);  in isLiveOut()
765     unsigned Reg = TargetRegisterInfo::index2VirtReg(i);  in addNewBlock()  local
766     VarInfo &VI = getVarInfo(Reg);  in addNewBlock()
767     if (!VI.AliveBlocks.test(NumNew) && VI.isLiveIn(*SuccBB, Reg, *MRI))  in addNewBlock()