74       unsigned PhysReg;         // Currently held here.  member
78       LiveReg(unsigned p=0) : LastUse(0), PhysReg(p), LastOpNum(0),  in LiveReg()
160     void definePhysReg(MachineInstr *MI, unsigned PhysReg, RegState NewState);
161     unsigned calcSpillCost(unsigned PhysReg) const;
162     void assignVirtToPhysReg(LiveRegEntry &LRE, unsigned PhysReg);
169     bool setPhysReg(MachineInstr *MI, unsigned OpNum, unsigned PhysReg);
216     if (MO.getReg() == LR.PhysReg)  in addKillFlag()
219       LR.LastUse->addRegisterKilled(LR.PhysReg, TRI, true);  in addKillFlag()
227   assert(PhysRegState[LR.PhysReg] == LRI->first && "Broken RegState mapping");  in killVirtReg()
228   PhysRegState[LR.PhysReg] = regFree;  in killVirtReg()
257   assert(PhysRegState[LR.PhysReg] == LRI->first && "Broken RegState mapping");  in spillVirtReg()
265                  << " in " << PrintReg(LR.PhysReg, TRI));  in spillVirtReg()
269     TII->storeRegToStackSlot(*MBB, MI, LR.PhysReg, SpillKill, FI, RC, TRI);  in spillVirtReg()
325   unsigned PhysReg = MO.getReg();  in usePhysReg()  local
326   assert(TargetRegisterInfo::isPhysicalRegister(PhysReg) &&  in usePhysReg()
329   switch (PhysRegState[PhysReg]) {  in usePhysReg()
333     PhysRegState[PhysReg] = regFree;  in usePhysReg()
336     UsedInInstr.set(PhysReg);  in usePhysReg()
346   for (const unsigned *AS = TRI->getAliasSet(PhysReg);  in usePhysReg()
352       assert(TRI->isSuperRegister(PhysReg, Alias) &&  in usePhysReg()
360       if (TRI->isSuperRegister(PhysReg, Alias)) {  in usePhysReg()
375   PhysRegState[PhysReg] = regFree;  in usePhysReg()
376   UsedInInstr.set(PhysReg);  in usePhysReg()
383 void RAFast::definePhysReg(MachineInstr *MI, unsigned PhysReg,  in definePhysReg()  argument
385   UsedInInstr.set(PhysReg);  in definePhysReg()
386   switch (unsigned VirtReg = PhysRegState[PhysReg]) {  in definePhysReg()
394     PhysRegState[PhysReg] = NewState;  in definePhysReg()
399   PhysRegState[PhysReg] = NewState;  in definePhysReg()
400   for (const unsigned *AS = TRI->getAliasSet(PhysReg);  in definePhysReg()
411       if (TRI->isSuperRegister(PhysReg, Alias))  in definePhysReg()
424 unsigned RAFast::calcSpillCost(unsigned PhysReg) const {  in calcSpillCost()
425   if (UsedInInstr.test(PhysReg)) {  in calcSpillCost()
426     DEBUG(dbgs() << PrintReg(PhysReg, TRI) << " is already used in instr.\n");  in calcSpillCost()
429   switch (unsigned VirtReg = PhysRegState[PhysReg]) {  in calcSpillCost()
436                  << PrintReg(PhysReg, TRI) << " is reserved already.\n");  in calcSpillCost()
443   DEBUG(dbgs() << PrintReg(PhysReg, TRI) << " is disabled.\n");  in calcSpillCost()
445   for (const unsigned *AS = TRI->getAliasSet(PhysReg);  in calcSpillCost()
470 void RAFast::assignVirtToPhysReg(LiveRegEntry &LRE, unsigned PhysReg) {  in assignVirtToPhysReg()  argument
472                << PrintReg(PhysReg, TRI) << "\n");  in assignVirtToPhysReg()
473   PhysRegState[PhysReg] = LRE.first;  in assignVirtToPhysReg()
474   assert(!LRE.second.PhysReg && "Already assigned a physreg");  in assignVirtToPhysReg()
475   LRE.second.PhysReg = PhysReg;  in assignVirtToPhysReg()
507     unsigned PhysReg = *I;  in allocVirtReg()  local
508     if (PhysRegState[PhysReg] == regFree && !UsedInInstr.test(PhysReg))  in allocVirtReg()
509       return assignVirtToPhysReg(LRE, PhysReg);  in allocVirtReg()
565   assert(LR.PhysReg && "Register not assigned");  in defineVirtReg()
569   UsedInInstr.set(LR.PhysReg);  in defineVirtReg()
589                  << PrintReg(LR.PhysReg, TRI) << "\n");  in reloadVirtReg()
590     TII->loadRegFromStackSlot(*MBB, MI, LR.PhysReg, FrameIndex, RC, TRI);  in reloadVirtReg()
617   assert(LR.PhysReg && "Register not assigned");  in reloadVirtReg()
620   UsedInInstr.set(LR.PhysReg);  in reloadVirtReg()
627 bool RAFast::setPhysReg(MachineInstr *MI, unsigned OpNum, unsigned PhysReg) {  in setPhysReg()  argument
630     MO.setReg(PhysReg);  in setPhysReg()
635   MO.setReg(PhysReg ? TRI->getSubReg(PhysReg, MO.getSubReg()) : 0);  in setPhysReg()
641     MI->addRegisterKilled(PhysReg, TRI, true);  in setPhysReg()
697       unsigned PhysReg = LRI->second.PhysReg;  in handleThroughOperands()  local
698       setPhysReg(MI, i, PhysReg);  in handleThroughOperands()
706       PartialDefs.push_back(LRI->second.PhysReg);  in handleThroughOperands()
710       unsigned PhysReg = LRI->second.PhysReg;  in handleThroughOperands()  local
711       if (setPhysReg(MI, i, PhysReg))  in handleThroughOperands()
790             assert(LiveVirtRegs[PhysRegState[Reg]].PhysReg == Reg &&  in AllocateBasicBlock()
801            assert(TargetRegisterInfo::isPhysicalRegister(i->second.PhysReg) &&  in AllocateBasicBlock()
803            assert(PhysRegState[i->second.PhysReg] == i->first &&  in AllocateBasicBlock()
821             setPhysReg(MI, i, LRI->second.PhysReg);  in AllocateBasicBlock()
935         unsigned PhysReg = LRI->second.PhysReg;  in AllocateBasicBlock()  local
936         CopySrc = (CopySrc == Reg || CopySrc == PhysReg) ? PhysReg : 0;  in AllocateBasicBlock()
937         if (setPhysReg(MI, i, PhysReg))  in AllocateBasicBlock()
991       unsigned PhysReg = LRI->second.PhysReg;  in AllocateBasicBlock()  local
992       if (setPhysReg(MI, i, PhysReg)) {  in AllocateBasicBlock()
996         CopyDst = (CopyDst == Reg || CopyDst == PhysReg) ? PhysReg : 0;  in AllocateBasicBlock()