Lines Matching defs:PhysReg

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