51 void ReachingDefAnalysis::enterBasicBlock(MachineBasicBlock *MBB) {  in enterBasicBlock()  argument
52   unsigned MBBNumber = MBB->getNumber();  in enterBasicBlock()
66   if (MBB->pred_empty()) {  in enterBasicBlock()
67     for (const auto &LI : MBB->liveins()) {  in enterBasicBlock()
78     LLVM_DEBUG(dbgs() << printMBBReference(*MBB) << ": entry\n");  in enterBasicBlock()
83   for (MachineBasicBlock *pred : MBB->predecessors()) {  in enterBasicBlock()
103 void ReachingDefAnalysis::leaveBasicBlock(MachineBasicBlock *MBB) {  in leaveBasicBlock()  argument
105   unsigned MBBNumber = MBB->getNumber();  in leaveBasicBlock()
148 void ReachingDefAnalysis::reprocessBasicBlock(MachineBasicBlock *MBB) {  in reprocessBasicBlock()  argument
149   unsigned MBBNumber = MBB->getNumber();  in reprocessBasicBlock()
155     instructionsWithoutDebug(MBB->instr_begin(), MBB->instr_end());  in reprocessBasicBlock()
160   for (MachineBasicBlock *pred : MBB->predecessors()) {  in reprocessBasicBlock()
195   MachineBasicBlock *MBB = TraversedMBB.MBB;  in processBasicBlock()  local
196   LLVM_DEBUG(dbgs() << printMBBReference(*MBB)  in processBasicBlock()
202     reprocessBasicBlock(MBB);  in processBasicBlock()
206   enterBasicBlock(MBB);  in processBasicBlock()
208        instructionsWithoutDebug(MBB->instr_begin(), MBB->instr_end()))  in processBasicBlock()
210   leaveBasicBlock(MBB);  in processBasicBlock()
301 MachineInstr *ReachingDefAnalysis::getInstFromId(MachineBasicBlock *MBB,  in getInstFromId()  argument
303   assert(static_cast<size_t>(MBB->getNumber()) < MBBReachingDefs.size() &&  in getInstFromId()
305   assert(InstId < static_cast<int>(MBB->size()) &&  in getInstFromId()
311   for (auto &MI : *MBB) {  in getInstFromId()
334   MachineBasicBlock *MBB = Def->getParent();  in getReachingLocalUses()  local
336   while (++MI != MBB->end()) {  in getReachingLocalUses()
356 bool ReachingDefAnalysis::getLiveInUses(MachineBasicBlock *MBB,  in getLiveInUses()  argument
360        instructionsWithoutDebug(MBB->instr_begin(), MBB->instr_end())) {  in getLiveInUses()
369   auto Last = MBB->getLastNonDebugInstr();  in getLiveInUses()
370   if (Last == MBB->end())  in getLiveInUses()
377   MachineBasicBlock *MBB = MI->getParent();  in getGlobalUses()  local
387     SmallVector<MachineBasicBlock *, 4> ToVisit(MBB->successors());  in getGlobalUses()
390       MachineBasicBlock *MBB = ToVisit.pop_back_val();  in getGlobalUses()  local
391       if (Visited.count(MBB) || !MBB->isLiveIn(PhysReg))  in getGlobalUses()
393       if (getLiveInUses(MBB, PhysReg, Uses))  in getGlobalUses()
394         llvm::append_range(ToVisit, MBB->successors());  in getGlobalUses()
395       Visited.insert(MBB);  in getGlobalUses()
408   for (auto *MBB : MI->getParent()->predecessors())  in getGlobalReachingDefs()  local
409     getLiveOuts(MBB, PhysReg, Defs);  in getGlobalReachingDefs()
412 void ReachingDefAnalysis::getLiveOuts(MachineBasicBlock *MBB,  in getLiveOuts()  argument
415   getLiveOuts(MBB, PhysReg, Defs, VisitedBBs);  in getLiveOuts()
418 void ReachingDefAnalysis::getLiveOuts(MachineBasicBlock *MBB,  in getLiveOuts()  argument
421   if (VisitedBBs.count(MBB))  in getLiveOuts()
424   VisitedBBs.insert(MBB);  in getLiveOuts()
426   LiveRegs.addLiveOuts(*MBB);  in getLiveOuts()
427   if (LiveRegs.available(MBB->getParent()->getRegInfo(), PhysReg))  in getLiveOuts()
430   if (auto *Def = getLocalLiveOutMIDef(MBB, PhysReg))  in getLiveOuts()
433     for (auto *Pred : MBB->predecessors())  in getLiveOuts()
472   MachineBasicBlock *MBB = MI->getParent();  in isRegUsedAfter()  local
474   LiveRegs.addLiveOuts(*MBB);  in isRegUsedAfter()
477   if (!LiveRegs.available(MBB->getParent()->getRegInfo(), PhysReg))  in isRegUsedAfter()
483        instructionsWithoutDebug(MBB->instr_rbegin(), MBB->instr_rend())) {  in isRegUsedAfter()
485     if (!LiveRegs.available(MBB->getParent()->getRegInfo(), PhysReg))  in isRegUsedAfter()
493   MachineBasicBlock *MBB = MI->getParent();  in isRegDefinedAfter()  local
494   auto Last = MBB->getLastNonDebugInstr();  in isRegDefinedAfter()
495   if (Last != MBB->end() &&  in isRegDefinedAfter()
499   if (auto *Def = getLocalLiveOutMIDef(MBB, PhysReg))  in isRegDefinedAfter()
507   MachineBasicBlock *MBB = MI->getParent();  in isReachingDefLiveOut()  local
509   LiveRegs.addLiveOuts(*MBB);  in isReachingDefLiveOut()
510   if (LiveRegs.available(MBB->getParent()->getRegInfo(), PhysReg))  in isReachingDefLiveOut()
513   auto Last = MBB->getLastNonDebugInstr();  in isReachingDefLiveOut()
515   if (Last != MBB->end() && getReachingDef(&*Last, PhysReg) != Def)  in isReachingDefLiveOut()
527 ReachingDefAnalysis::getLocalLiveOutMIDef(MachineBasicBlock *MBB,  in getLocalLiveOutMIDef()  argument
530   LiveRegs.addLiveOuts(*MBB);  in getLocalLiveOutMIDef()
531   if (LiveRegs.available(MBB->getParent()->getRegInfo(), PhysReg))  in getLocalLiveOutMIDef()
534   auto Last = MBB->getLastNonDebugInstr();  in getLocalLiveOutMIDef()
535   if (Last == MBB->end())  in getLocalLiveOutMIDef()
543   return Def < 0 ? nullptr : getInstFromId(MBB, Def);  in getLocalLiveOutMIDef()
700   MachineBasicBlock *MBB = MI->getParent();  in isSafeToDefRegAt()  local
704     for (auto E = MBB->end(); I != E; ++I) {  in isSafeToDefRegAt()