84 LiveVariables::VarInfo &LiveVariables::getVarInfo(Register Reg) {  in getVarInfo()  argument
85   assert(Reg.isVirtual() && "getVarInfo: not a virtual register!");  in getVarInfo()
86   VirtRegInfo.grow(Reg);  in getVarInfo()
87   return VirtRegInfo[Reg];  in getVarInfo()
128 void LiveVariables::HandleVirtRegUse(Register Reg, MachineBasicBlock *MBB,  in HandleVirtRegUse()  argument
130   assert(MRI->getVRegDef(Reg) && "Register use before def!");  in HandleVirtRegUse()
134   VarInfo &VRInfo = getVarInfo(Reg);  in HandleVirtRegUse()
165   if (MBB == MRI->getVRegDef(Reg)->getParent())  in HandleVirtRegUse()
176     MarkVirtRegAliveInBlock(VRInfo, MRI->getVRegDef(Reg)->getParent(), Pred);  in HandleVirtRegUse()
179 void LiveVariables::HandleVirtRegDef(Register Reg, MachineInstr &MI) {  in HandleVirtRegDef()  argument
180   VarInfo &VRInfo = getVarInfo(Reg);  in HandleVirtRegDef()
190 LiveVariables::FindLastPartialDef(Register Reg,  in FindLastPartialDef()  argument
195   for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) {  in FindLastPartialDef()
217     if (TRI->isSubRegister(Reg, DefReg)) {  in FindLastPartialDef()
229 void LiveVariables::HandlePhysRegUse(Register Reg, MachineInstr &MI) {  in HandlePhysRegUse()  argument
230   MachineInstr *LastDef = PhysRegDef[Reg];  in HandlePhysRegUse()
232   if (!LastDef && !PhysRegUse[Reg]) {  in HandlePhysRegUse()
242     MachineInstr *LastPartialDef = FindLastPartialDef(Reg, PartDefRegs);  in HandlePhysRegUse()
245       LastPartialDef->addOperand(MachineOperand::CreateReg(Reg, true/*IsDef*/,  in HandlePhysRegUse()
247       PhysRegDef[Reg] = LastPartialDef;  in HandlePhysRegUse()
249       for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) {  in HandlePhysRegUse()
265   } else if (LastDef && !PhysRegUse[Reg] &&  in HandlePhysRegUse()
266              !LastDef->findRegisterDefOperand(Reg))  in HandlePhysRegUse()
268     LastDef->addOperand(MachineOperand::CreateReg(Reg, true/*IsDef*/,  in HandlePhysRegUse()
272   for (MCSubRegIterator SubRegs(Reg, TRI, /*IncludeSelf=*/true);  in HandlePhysRegUse()
279 MachineInstr *LiveVariables::FindLastRefOrPartRef(Register Reg) {  in FindLastRefOrPartRef()  argument
280   MachineInstr *LastDef = PhysRegDef[Reg];  in FindLastRefOrPartRef()
281   MachineInstr *LastUse = PhysRegUse[Reg];  in FindLastRefOrPartRef()
288   for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) {  in FindLastRefOrPartRef()
309 bool LiveVariables::HandlePhysRegKill(Register Reg, MachineInstr *MI) {  in HandlePhysRegKill()  argument
310   MachineInstr *LastDef = PhysRegDef[Reg];  in HandlePhysRegKill()
311   MachineInstr *LastUse = PhysRegUse[Reg];  in HandlePhysRegKill()
337   for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) {  in HandlePhysRegKill()
362   if (!PhysRegUse[Reg]) {  in HandlePhysRegKill()
367     PhysRegDef[Reg]->addRegisterDead(Reg, TRI, true);  in HandlePhysRegKill()
368     for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) {  in HandlePhysRegKill()
373       if (PhysRegDef[Reg] == PhysRegDef[SubReg]) {  in HandlePhysRegKill()
374         MachineOperand *MO = PhysRegDef[Reg]->findRegisterDefOperand(SubReg);  in HandlePhysRegKill()
381         PhysRegDef[Reg]->addOperand(MachineOperand::CreateReg(SubReg,  in HandlePhysRegKill()
395   } else if (LastRefOrPartRef == PhysRegDef[Reg] && LastRefOrPartRef != MI) {  in HandlePhysRegKill()
398       LastPartDef->addOperand(MachineOperand::CreateReg(Reg, false/*IsDef*/,  in HandlePhysRegKill()
402         LastRefOrPartRef->findRegisterDefOperand(Reg, false, false, TRI);  in HandlePhysRegKill()
403       bool NeedEC = MO->isEarlyClobber() && MO->getReg() != Reg;  in HandlePhysRegKill()
406       LastRefOrPartRef->addRegisterDead(Reg, TRI, true);  in HandlePhysRegKill()
410         MO = LastRefOrPartRef->findRegisterDefOperand(Reg);  in HandlePhysRegKill()
416     LastRefOrPartRef->addRegisterKilled(Reg, TRI, true);  in HandlePhysRegKill()
424   for (unsigned Reg = 1, NumRegs = TRI->getNumRegs(); Reg != NumRegs; ++Reg) {  in HandleRegMask()  local
426     if (!PhysRegDef[Reg] && !PhysRegUse[Reg])  in HandleRegMask()
429     if (!MO.clobbersPhysReg(Reg))  in HandleRegMask()
433     unsigned Super = Reg;  in HandleRegMask()
434     for (MCSuperRegIterator SR(Reg, TRI); SR.isValid(); ++SR)  in HandleRegMask()
441 void LiveVariables::HandlePhysRegDef(Register Reg, MachineInstr *MI,  in HandlePhysRegDef()  argument
445   if (PhysRegDef[Reg] || PhysRegUse[Reg]) {  in HandlePhysRegDef()
446     for (MCSubRegIterator SubRegs(Reg, TRI, /*IncludeSelf=*/true);  in HandlePhysRegDef()
450     for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) {  in HandlePhysRegDef()
470   HandlePhysRegKill(Reg, MI);  in HandlePhysRegDef()
472   for (MCSubRegIterator SubRegs(Reg, TRI); SubRegs.isValid(); ++SubRegs) {  in HandlePhysRegDef()
481     Defs.push_back(Reg);  // Remember this def.  in HandlePhysRegDef()
487     Register Reg = Defs.back();  in UpdatePhysRegDefs()  local
489     for (MCSubRegIterator SubRegs(Reg, TRI, /*IncludeSelf=*/true);  in UpdatePhysRegDefs()
651     const Register Reg = Register::index2VirtReg(i);  in runOnMachineFunction()  local
652     for (unsigned j = 0, e2 = VirtRegInfo[Reg].Kills.size(); j != e2; ++j)  in runOnMachineFunction()
653       if (VirtRegInfo[Reg].Kills[j] == MRI->getVRegDef(Reg))  in runOnMachineFunction()
654         VirtRegInfo[Reg].Kills[j]->addRegisterDead(Reg, TRI);  in runOnMachineFunction()
656         VirtRegInfo[Reg].Kills[j]->addRegisterKilled(Reg, TRI);  in runOnMachineFunction()
676 void LiveVariables::replaceKillInstruction(Register Reg, MachineInstr &OldMI,  in replaceKillInstruction()  argument
678   VarInfo &VI = getVarInfo(Reg);  in replaceKillInstruction()
689       Register Reg = MO.getReg();  in removeVirtualRegistersKilled()  local
690       if (Register::isVirtualRegister(Reg)) {  in removeVirtualRegistersKilled()
691         bool removed = getVarInfo(Reg).removeKill(MI);  in removeVirtualRegistersKilled()
716                                       Register Reg, MachineRegisterInfo &MRI) {  in isLiveIn()  argument
724   const MachineInstr *Def = MRI.getVRegDef(Reg);  in isLiveIn()
732 bool LiveVariables::isLiveOut(Register Reg, const MachineBasicBlock &MBB) {  in isLiveOut()  argument
733   LiveVariables::VarInfo &VI = getVarInfo(Reg);  in isLiveOut()
789     Register Reg = Register::index2VirtReg(i);  in addNewBlock()  local
792     if (Defs.count(Reg))  in addNewBlock()
797     VarInfo &VI = getVarInfo(Reg);  in addNewBlock()
798     if (Kills.count(Reg) || VI.AliveBlocks.test(SuccBB->getNumber()))  in addNewBlock()