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 (MCRegUnit Unit : TRI->regunits(LI.PhysReg)) {  in enterBasicBlock()
263                                         MCRegister PhysReg) const {  in getReachingDef()
271   for (MCRegUnit Unit : TRI->regunits(PhysReg)) {  in getReachingDef()
284                                            MCRegister PhysReg) const {  in getReachingLocalMIDef()
285   return hasLocalDefBefore(MI, PhysReg)  in getReachingLocalMIDef()
286     ? getInstFromId(MI->getParent(), getReachingDef(MI, PhysReg))  in getReachingLocalMIDef()
291                                              MCRegister PhysReg) const {  in hasSameReachingDef()
297   return getReachingDef(A, PhysReg) == getReachingDef(B, PhysReg);  in hasSameReachingDef()
320                                       MCRegister PhysReg) const {  in getClearance()
322   return InstIds.lookup(MI) - getReachingDef(MI, PhysReg);  in getClearance()
326                                             MCRegister PhysReg) const {  in hasLocalDefBefore()
327   return getReachingDef(MI, PhysReg) >= 0;  in hasLocalDefBefore()
331                                                MCRegister PhysReg,  in getReachingLocalUses()  argument
341     if (getReachingLocalMIDef(&*MI, PhysReg) != Def)  in getReachingLocalUses()
345       if (!isValidRegUseOf(MO, PhysReg, TRI))  in getReachingLocalUses()
356                                         MCRegister PhysReg,  in getLiveInUses()  argument
361       if (!isValidRegUseOf(MO, PhysReg, TRI))  in getLiveInUses()
363       if (getReachingDef(&MI, PhysReg) >= 0)  in getLiveInUses()
371   return isReachingDefLiveOut(&*Last, PhysReg);  in getLiveInUses()
374 void ReachingDefAnalysis::getGlobalUses(MachineInstr *MI, MCRegister PhysReg,  in getGlobalUses()  argument
379   getReachingLocalUses(MI, PhysReg, Uses);  in getGlobalUses()
382   if (auto *LiveOut = getLocalLiveOutMIDef(MI->getParent(), PhysReg)) {  in getGlobalUses()
390       if (Visited.count(MBB) || !MBB->isLiveIn(PhysReg))  in getGlobalUses()
392       if (getLiveInUses(MBB, PhysReg, Uses))  in getGlobalUses()
400                                                 MCRegister PhysReg,  in getGlobalReachingDefs()  argument
402   if (auto *Def = getUniqueReachingMIDef(MI, PhysReg)) {  in getGlobalReachingDefs()
408     getLiveOuts(MBB, PhysReg, Defs);  in getGlobalReachingDefs()
412                                       MCRegister PhysReg, InstSet &Defs) const {  in getLiveOuts()  argument
414   getLiveOuts(MBB, PhysReg, Defs, VisitedBBs);  in getLiveOuts()
418                                       MCRegister PhysReg, InstSet &Defs,  in getLiveOuts()  argument
426   if (LiveRegs.available(PhysReg))  in getLiveOuts()
429   if (auto *Def = getLocalLiveOutMIDef(MBB, PhysReg))  in getLiveOuts()
433       getLiveOuts(Pred, PhysReg, Defs, VisitedBBs);  in getLiveOuts()
438                                             MCRegister PhysReg) const {  in getUniqueReachingMIDef()
440   MachineInstr *LocalDef = getReachingLocalMIDef(MI, PhysReg);  in getUniqueReachingMIDef()
447     getLiveOuts(Pred, PhysReg, Incoming);  in getUniqueReachingMIDef()
470                                          MCRegister PhysReg) const {  in isRegUsedAfter()
476   if (!LiveRegs.available(PhysReg))  in isRegUsedAfter()
484     if (!LiveRegs.available(PhysReg))  in isRegUsedAfter()
491                                             MCRegister PhysReg) const {  in isRegDefinedAfter()
495       getReachingDef(MI, PhysReg) != getReachingDef(&*Last, PhysReg))  in isRegDefinedAfter()
498   if (auto *Def = getLocalLiveOutMIDef(MBB, PhysReg))  in isRegDefinedAfter()
499     return Def == getReachingLocalMIDef(MI, PhysReg);  in isRegDefinedAfter()
505                                                MCRegister PhysReg) const {  in isReachingDefLiveOut()
509   if (LiveRegs.available(PhysReg))  in isReachingDefLiveOut()
513   int Def = getReachingDef(MI, PhysReg);  in isReachingDefLiveOut()
514   if (Last != MBB->end() && getReachingDef(&*Last, PhysReg) != Def)  in isReachingDefLiveOut()
519     if (isValidRegDefOf(MO, PhysReg, TRI))  in isReachingDefLiveOut()
527                                           MCRegister PhysReg) const {  in getLocalLiveOutMIDef()
530   if (LiveRegs.available(PhysReg))  in getLocalLiveOutMIDef()
537   int Def = getReachingDef(&*Last, PhysReg);  in getLocalLiveOutMIDef()
539     if (isValidRegDefOf(MO, PhysReg, TRI))  in getLocalLiveOutMIDef()
651   auto IsDead = [this, &Dead](MachineInstr *Def, MCRegister PhysReg) {  in collectKilledOperands()  argument
667     getGlobalUses(Def, PhysReg, Uses);  in collectKilledOperands()
681                                            MCRegister PhysReg) const {  in isSafeToDefRegAt()
683   return isSafeToDefRegAt(MI, PhysReg, Ignore);  in isSafeToDefRegAt()
686 bool ReachingDefAnalysis::isSafeToDefRegAt(MachineInstr *MI, MCRegister PhysReg,  in isSafeToDefRegAt()  argument
689   if (isRegUsedAfter(MI, PhysReg)) {  in isSafeToDefRegAt()
690     if (auto *Def = getReachingLocalMIDef(MI, PhysReg)) {  in isSafeToDefRegAt()
692       getGlobalUses(Def, PhysReg, Uses);  in isSafeToDefRegAt()
701   if (isRegDefinedAfter(MI, PhysReg)) {  in isSafeToDefRegAt()
707         if (isValidRegDefOf(MO, PhysReg, TRI))  in isSafeToDefRegAt()