92   MachineBasicBlock *Tail;  member in __anon1f7aa2560111::SSAIfConv
102   bool isTriangle() const { return TBB == Tail || FBB == Tail; }  in isTriangle()
105   MachineBasicBlock *getTPred() const { return TBB == Tail ? Head : TBB; }  in getTPred()
108   MachineBasicBlock *getFPred() const { return FBB == Tail ? Head : FBB; }  in getFPred()
434   TBB = FBB = Tail = nullptr;  in canConvertIf()
448   Tail = Succ0->succ_begin()[0];  in canConvertIf()
451   if (Tail != Succ1) {  in canConvertIf()
454         Succ1->succ_begin()[0] != Tail)  in canConvertIf()
459                       << printMBBReference(*Tail) << '\n');  in canConvertIf()
462     if (!Tail->livein_empty()) {  in canConvertIf()
469                       << printMBBReference(*Tail) << '\n');  in canConvertIf()
475   if (!Predicate && (Tail->empty() || !Tail->front().isPHI())) {  in canConvertIf()
508   for (MachineBasicBlock::iterator I = Tail->begin(), E = Tail->end();  in canConvertIf()
535     if (TBB != Tail && !canPredicateInstrs(TBB))  in canConvertIf()
537     if (FBB != Tail && !canPredicateInstrs(FBB))  in canConvertIf()
540     if (TBB != Tail && !canSpeculateInstrs(TBB))  in canConvertIf()
542     if (FBB != Tail && !canSpeculateInstrs(FBB))  in canConvertIf()
608   assert(Tail->pred_size() == 2 && "Cannot replace PHIs");  in replacePHIInstrs()
681   assert(Head && Tail && TBB && FBB && "Call canConvertIf first.");  in convertIf()
690   if (TBB != Tail) {  in convertIf()
695   if (FBB != Tail) {  in convertIf()
701   bool ExtraPreds = Tail->pred_size() != 2;  in convertIf()
710   if (TBB != Tail)  in convertIf()
711     TBB->removeSuccessor(Tail, true);  in convertIf()
712   if (FBB != Tail)  in convertIf()
713     FBB->removeSuccessor(Tail, true);  in convertIf()
722   if (TBB != Tail) {  in convertIf()
726   if (FBB != Tail) {  in convertIf()
732   if (!ExtraPreds && Head->isLayoutSuccessor(Tail)) {  in convertIf()
734     LLVM_DEBUG(dbgs() << "Joining tail " << printMBBReference(*Tail)  in convertIf()
736     Head->splice(Head->end(), Tail,  in convertIf()
737                      Tail->begin(), Tail->end());  in convertIf()
738     Head->transferSuccessorsAndUpdatePHIs(Tail);  in convertIf()
739     RemovedBlocks.push_back(Tail);  in convertIf()
740     Tail->eraseFromParent();  in convertIf()
745     TII->insertBranch(*Head, Tail, nullptr, EmptyCond, HeadDL);  in convertIf()
746     Head->addSuccessor(Tail);  in convertIf()
815       assert(Node->getBlock() == IfConv.Tail && "Unexpected children");  in updateDomTree()
838   Traces->invalidate(IfConv.Tail);  in invalidateTraces()
889   if (IfConv.TBB != IfConv.Tail)  in shouldConvertIf()
920   MachineTraceMetrics::Trace TailTrace = MinInstr->getTrace(IfConv.Tail);  in shouldConvertIf()
1130         (IfConv.TBB == IfConv.Tail) ? *IfConv.FBB : *IfConv.TBB;  in shouldConvertIf()