92   MachineBasicBlock *Tail;  member in __anon4c5015260111::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()
440   TBB = FBB = Tail = nullptr;  in canConvertIf()
454   Tail = Succ0->succ_begin()[0];  in canConvertIf()
457   if (Tail != Succ1) {  in canConvertIf()
460         Succ1->succ_begin()[0] != Tail)  in canConvertIf()
465                       << printMBBReference(*Tail) << '\n');  in canConvertIf()
468     if (!Tail->livein_empty()) {  in canConvertIf()
475                       << printMBBReference(*Tail) << '\n');  in canConvertIf()
481   if (!Predicate && (Tail->empty() || !Tail->front().isPHI())) {  in canConvertIf()
514   for (MachineBasicBlock::iterator I = Tail->begin(), E = Tail->end();  in canConvertIf()
541     if (TBB != Tail && !canPredicateInstrs(TBB))  in canConvertIf()
543     if (FBB != Tail && !canPredicateInstrs(FBB))  in canConvertIf()
546     if (TBB != Tail && !canSpeculateInstrs(TBB))  in canConvertIf()
548     if (FBB != Tail && !canSpeculateInstrs(FBB))  in canConvertIf()
614   assert(Tail->pred_size() == 2 && "Cannot replace PHIs");  in replacePHIInstrs()
685   assert(Head && Tail && TBB && FBB && "Call canConvertIf first.");  in convertIf()
694   if (TBB != Tail) {  in convertIf()
699   if (FBB != Tail) {  in convertIf()
705   bool ExtraPreds = Tail->pred_size() != 2;  in convertIf()
714   if (TBB != Tail)  in convertIf()
715     TBB->removeSuccessor(Tail, true);  in convertIf()
716   if (FBB != Tail)  in convertIf()
717     FBB->removeSuccessor(Tail, true);  in convertIf()
726   if (TBB != Tail) {  in convertIf()
730   if (FBB != Tail) {  in convertIf()
736   if (!ExtraPreds && Head->isLayoutSuccessor(Tail)) {  in convertIf()
738     LLVM_DEBUG(dbgs() << "Joining tail " << printMBBReference(*Tail)  in convertIf()
740     Head->splice(Head->end(), Tail,  in convertIf()
741                      Tail->begin(), Tail->end());  in convertIf()
742     Head->transferSuccessorsAndUpdatePHIs(Tail);  in convertIf()
743     RemovedBlocks.push_back(Tail);  in convertIf()
744     Tail->eraseFromParent();  in convertIf()
749     TII->insertBranch(*Head, Tail, nullptr, EmptyCond, HeadDL);  in convertIf()
750     Head->addSuccessor(Tail);  in convertIf()
819       assert(Node->getBlock() == IfConv.Tail && "Unexpected children");  in updateDomTree()
840   Traces->invalidate(IfConv.Tail);  in invalidateTraces()
923   if (IfConv.TBB != IfConv.Tail)  in shouldConvertIf()
954   MachineTraceMetrics::Trace TailTrace = MinInstr->getTrace(IfConv.Tail);  in shouldConvertIf()
1163         (IfConv.TBB == IfConv.Tail) ? *IfConv.FBB : *IfConv.TBB;  in shouldConvertIf()