33 static bool isValidRegUseOf(const MachineOperand &MO, MCRegister PhysReg,  in isValidRegUseOf()  argument
37   return TRI->regsOverlap(MO.getReg(), PhysReg);  in isValidRegUseOf()
44 static bool isValidRegDefOf(const MachineOperand &MO, MCRegister PhysReg,  in isValidRegDefOf()  argument
48   return TRI->regsOverlap(MO.getReg(), PhysReg);  in isValidRegDefOf()
68       for (MCRegUnitIterator Unit(LI.PhysReg, TRI); Unit.isValid(); ++Unit) {  in enterBasicBlock()
264                                         MCRegister PhysReg) const {  in getReachingDef()
272   for (MCRegUnitIterator Unit(PhysReg, TRI); Unit.isValid(); ++Unit) {  in getReachingDef()
285                                            MCRegister PhysReg) const {  in getReachingLocalMIDef()
286   return hasLocalDefBefore(MI, PhysReg)  in getReachingLocalMIDef()
287     ? getInstFromId(MI->getParent(), getReachingDef(MI, PhysReg))  in getReachingLocalMIDef()
292                                              MCRegister PhysReg) const {  in hasSameReachingDef()
298   return getReachingDef(A, PhysReg) == getReachingDef(B, PhysReg);  in hasSameReachingDef()
321                                       MCRegister PhysReg) const {  in getClearance()
323   return InstIds.lookup(MI) - getReachingDef(MI, PhysReg);  in getClearance()
327                                             MCRegister PhysReg) const {  in hasLocalDefBefore()
328   return getReachingDef(MI, PhysReg) >= 0;  in hasLocalDefBefore()
332                                                MCRegister PhysReg,  in getReachingLocalUses()  argument
342     if (getReachingLocalMIDef(&*MI, PhysReg) != Def)  in getReachingLocalUses()
346       if (!isValidRegUseOf(MO, PhysReg, TRI))  in getReachingLocalUses()
357                                         MCRegister PhysReg,  in getLiveInUses()  argument
362       if (!isValidRegUseOf(MO, PhysReg, TRI))  in getLiveInUses()
364       if (getReachingDef(&MI, PhysReg) >= 0)  in getLiveInUses()
372   return isReachingDefLiveOut(&*Last, PhysReg);  in getLiveInUses()
375 void ReachingDefAnalysis::getGlobalUses(MachineInstr *MI, MCRegister PhysReg,  in getGlobalUses()  argument
380   getReachingLocalUses(MI, PhysReg, Uses);  in getGlobalUses()
383   if (auto *LiveOut = getLocalLiveOutMIDef(MI->getParent(), PhysReg)) {  in getGlobalUses()
391       if (Visited.count(MBB) || !MBB->isLiveIn(PhysReg))  in getGlobalUses()
393       if (getLiveInUses(MBB, PhysReg, Uses))  in getGlobalUses()
401                                                 MCRegister PhysReg,  in getGlobalReachingDefs()  argument
403   if (auto *Def = getUniqueReachingMIDef(MI, PhysReg)) {  in getGlobalReachingDefs()
409     getLiveOuts(MBB, PhysReg, Defs);  in getGlobalReachingDefs()
413                                       MCRegister PhysReg, InstSet &Defs) const {  in getLiveOuts()  argument
415   getLiveOuts(MBB, PhysReg, Defs, VisitedBBs);  in getLiveOuts()
419                                       MCRegister PhysReg, InstSet &Defs,  in getLiveOuts()  argument
427   if (LiveRegs.available(MBB->getParent()->getRegInfo(), PhysReg))  in getLiveOuts()
430   if (auto *Def = getLocalLiveOutMIDef(MBB, PhysReg))  in getLiveOuts()
434       getLiveOuts(Pred, PhysReg, Defs, VisitedBBs);  in getLiveOuts()
439                                             MCRegister PhysReg) const {  in getUniqueReachingMIDef()
441   MachineInstr *LocalDef = getReachingLocalMIDef(MI, PhysReg);  in getUniqueReachingMIDef()
448     getLiveOuts(Pred, PhysReg, Incoming);  in getUniqueReachingMIDef()
471                                          MCRegister PhysReg) const {  in isRegUsedAfter()
477   if (!LiveRegs.available(MBB->getParent()->getRegInfo(), PhysReg))  in isRegUsedAfter()
485     if (!LiveRegs.available(MBB->getParent()->getRegInfo(), PhysReg))  in isRegUsedAfter()
492                                             MCRegister PhysReg) const {  in isRegDefinedAfter()
496       getReachingDef(MI, PhysReg) != getReachingDef(&*Last, PhysReg))  in isRegDefinedAfter()
499   if (auto *Def = getLocalLiveOutMIDef(MBB, PhysReg))  in isRegDefinedAfter()
500     return Def == getReachingLocalMIDef(MI, PhysReg);  in isRegDefinedAfter()
506                                                MCRegister PhysReg) const {  in isReachingDefLiveOut()
510   if (LiveRegs.available(MBB->getParent()->getRegInfo(), PhysReg))  in isReachingDefLiveOut()
514   int Def = getReachingDef(MI, PhysReg);  in isReachingDefLiveOut()
515   if (Last != MBB->end() && getReachingDef(&*Last, PhysReg) != Def)  in isReachingDefLiveOut()
520     if (isValidRegDefOf(MO, PhysReg, TRI))  in isReachingDefLiveOut()
528                                           MCRegister PhysReg) const {  in getLocalLiveOutMIDef()
531   if (LiveRegs.available(MBB->getParent()->getRegInfo(), PhysReg))  in getLocalLiveOutMIDef()
538   int Def = getReachingDef(&*Last, PhysReg);  in getLocalLiveOutMIDef()
540     if (isValidRegDefOf(MO, PhysReg, TRI))  in getLocalLiveOutMIDef()
652   auto IsDead = [this, &Dead](MachineInstr *Def, MCRegister PhysReg) {  in collectKilledOperands()  argument
668     getGlobalUses(Def, PhysReg, Uses);  in collectKilledOperands()
682                                            MCRegister PhysReg) const {  in isSafeToDefRegAt()
684   return isSafeToDefRegAt(MI, PhysReg, Ignore);  in isSafeToDefRegAt()
687 bool ReachingDefAnalysis::isSafeToDefRegAt(MachineInstr *MI, MCRegister PhysReg,  in isSafeToDefRegAt()  argument
690   if (isRegUsedAfter(MI, PhysReg)) {  in isSafeToDefRegAt()
691     if (auto *Def = getReachingLocalMIDef(MI, PhysReg)) {  in isSafeToDefRegAt()
693       getGlobalUses(Def, PhysReg, Uses);  in isSafeToDefRegAt()
702   if (isRegDefinedAfter(MI, PhysReg)) {  in isSafeToDefRegAt()
708         if (isValidRegDefOf(MO, PhysReg, TRI))  in isSafeToDefRegAt()