49 void RegisterPressure::increase(unsigned Reg, const TargetRegisterInfo *TRI,  in increase()  argument
51   if (TargetRegisterInfo::isVirtualRegister(Reg)) {  in increase()
52     const TargetRegisterClass *RC = MRI->getRegClass(Reg);  in increase()
59                         TRI->getRegUnitPressureSets(Reg),  in increase()
60                         TRI->getRegUnitWeight(Reg));  in increase()
65 void RegisterPressure::decrease(unsigned Reg, const TargetRegisterInfo *TRI,  in decrease()  argument
67   if (TargetRegisterInfo::isVirtualRegister(Reg)) {  in decrease()
68     const TargetRegisterClass *RC = MRI->getRegClass(Reg);  in decrease()
73     decreaseSetPressure(MaxSetPressure, TRI->getRegUnitPressureSets(Reg),  in decrease()
74                         TRI->getRegUnitWeight(Reg));  in decrease()
190 const LiveInterval *RegPressureTracker::getInterval(unsigned Reg) const {  in getInterval()
191   if (TargetRegisterInfo::isVirtualRegister(Reg))  in getInterval()
192     return &LIS->getInterval(Reg);  in getInterval()
193   return LIS->getCachedRegUnit(Reg);  in getInterval()
308 static bool containsReg(ArrayRef<unsigned> Regs, unsigned Reg) {  in containsReg()  argument
309   return std::find(Regs.begin(), Regs.end(), Reg) != Regs.end();  in containsReg()
341   void pushRegUnits(unsigned Reg, SmallVectorImpl<unsigned> &Regs) {  in pushRegUnits()  argument
342     if (TargetRegisterInfo::isVirtualRegister(Reg)) {  in pushRegUnits()
343       if (containsReg(Regs, Reg))  in pushRegUnits()
345       Regs.push_back(Reg);  in pushRegUnits()
347     else if (MRI->isAllocatable(Reg)) {  in pushRegUnits()
348       for (MCRegUnitIterator Units(Reg, TRI); Units.isValid(); ++Units) {  in pushRegUnits()
379 void RegPressureTracker::discoverLiveIn(unsigned Reg) {  in discoverLiveIn()  argument
380   assert(!LiveRegs.contains(Reg) && "avoid bumping max pressure twice");  in discoverLiveIn()
381   if (containsReg(P.LiveInRegs, Reg))  in discoverLiveIn()
385   P.LiveInRegs.push_back(Reg);  in discoverLiveIn()
386   P.increase(Reg, TRI, MRI);  in discoverLiveIn()
390 void RegPressureTracker::discoverLiveOut(unsigned Reg) {  in discoverLiveOut()  argument
391   assert(!LiveRegs.contains(Reg) && "avoid bumping max pressure twice");  in discoverLiveOut()
392   if (containsReg(P.LiveOutRegs, Reg))  in discoverLiveOut()
396   P.LiveOutRegs.push_back(Reg);  in discoverLiveOut()
397   P.increase(Reg, TRI, MRI);  in discoverLiveOut()
441     unsigned Reg = RegOpers.Defs[i];  in recede()  local
442     if (LiveRegs.erase(Reg))  in recede()
443       decreaseRegPressure(Reg);  in recede()
445       discoverLiveOut(Reg);  in recede()
450     unsigned Reg = RegOpers.Uses[i];  in recede()  local
451     if (!LiveRegs.contains(Reg)) {  in recede()
454         const LiveInterval *LI = getInterval(Reg);  in recede()
456           discoverLiveOut(Reg);  in recede()
458       increaseRegPressure(Reg);  in recede()
459       LiveRegs.insert(Reg);  in recede()
491     unsigned Reg = RegOpers.Uses[i];  in advance()  local
493     bool isLive = LiveRegs.contains(Reg);  in advance()
495       discoverLiveIn(Reg);  in advance()
499       const LiveInterval *LI = getInterval(Reg);  in advance()
504       lastUse = !TargetRegisterInfo::isVirtualRegister(Reg);  in advance()
507       LiveRegs.erase(Reg);  in advance()
508       decreaseRegPressure(Reg);  in advance()
511       increaseRegPressure(Reg);  in advance()
516     unsigned Reg = RegOpers.Defs[i];  in advance()  local
517     if (LiveRegs.insert(Reg))  in advance()
518       increaseRegPressure(Reg);  in advance()
627     unsigned Reg = RegOpers.Defs[i];  in bumpUpwardPressure()  local
628     if (!containsReg(RegOpers.Uses, Reg))  in bumpUpwardPressure()
629       decreaseRegPressure(Reg);  in bumpUpwardPressure()
633     unsigned Reg = RegOpers.Uses[i];  in bumpUpwardPressure()  local
634     if (!LiveRegs.contains(Reg))  in bumpUpwardPressure()
635       increaseRegPressure(Reg);  in bumpUpwardPressure()
674 static bool findUseBetween(unsigned Reg,  in findUseBetween()  argument
679          UI = MRI->use_nodbg_begin(Reg), UE = MRI->use_nodbg_end();  in findUseBetween()
711     unsigned Reg = RegOpers.Uses[i];  in bumpDownwardPressure()  local
716       const LiveInterval *LI = getInterval(Reg);  in bumpDownwardPressure()
718           && !findUseBetween(Reg, CurrIdx, SlotIdx, MRI, LIS)) {  in bumpDownwardPressure()
719         decreaseRegPressure(Reg);  in bumpDownwardPressure()
722     else if (!TargetRegisterInfo::isVirtualRegister(Reg)) {  in bumpDownwardPressure()
724       decreaseRegPressure(Reg);  in bumpDownwardPressure()