89   MachineBasicBlock *Head;  member in __anon1f7aa2560111::SSAIfConv
105   MachineBasicBlock *getTPred() const { return TBB == Tail ? Head : TBB; }  in getTPred()
108   MachineBasicBlock *getFPred() const { return FBB == Tail ? Head : FBB; }  in getFPred()
273     if (!DefMI || DefMI->getParent() != Head)  in InstrDependenciesAllowIfConv()
367   MachineBasicBlock::iterator FirstTerm = Head->getFirstTerminator();  in findInsertionPoint()
368   MachineBasicBlock::iterator I = Head->end();  in findInsertionPoint()
369   MachineBasicBlock::iterator B = Head->begin();  in findInsertionPoint()
433   Head = MBB;  in canConvertIf()
436   if (Head->succ_size() != 2)  in canConvertIf()
438   MachineBasicBlock *Succ0 = Head->succ_begin()[0];  in canConvertIf()
439   MachineBasicBlock *Succ1 = Head->succ_begin()[1];  in canConvertIf()
456     LLVM_DEBUG(dbgs() << "\nDiamond: " << printMBBReference(*Head) << " -> "  in canConvertIf()
467     LLVM_DEBUG(dbgs() << "\nTriangle: " << printMBBReference(*Head) << " -> "  in canConvertIf()
482   if (TII->analyzeBranch(*Head, TBB, FBB, Cond)) {  in canConvertIf()
523     if (!TII->canInsertSelect(*Head, Cond, PI.PHI->getOperand(0).getReg(),  in canConvertIf()
609   MachineBasicBlock::iterator FirstTerm = Head->getFirstTerminator();  in replacePHIInstrs()
610   assert(FirstTerm != Head->end() && "No terminators");  in replacePHIInstrs()
621       BuildMI(*Head, FirstTerm, HeadDL, TII->get(TargetOpcode::COPY), DstReg)  in replacePHIInstrs()
624       TII->insertSelect(*Head, FirstTerm, HeadDL, DstReg, Cond, PI.TReg,  in replacePHIInstrs()
637   MachineBasicBlock::iterator FirstTerm = Head->getFirstTerminator();  in rewritePHIOperands()
638   assert(FirstTerm != Head->end() && "No terminators");  in rewritePHIOperands()
654       TII->insertSelect(*Head, FirstTerm, HeadDL,  in rewritePHIOperands()
663         PI.PHI->getOperand(i-1).setMBB(Head);  in rewritePHIOperands()
681   assert(Head && Tail && TBB && FBB && "Call canConvertIf first.");  in convertIf()
693     Head->splice(InsertionPoint, TBB, TBB->begin(), TBB->getFirstTerminator());  in convertIf()
698     Head->splice(InsertionPoint, FBB, FBB->begin(), FBB->getFirstTerminator());  in convertIf()
708   Head->removeSuccessor(TBB);  in convertIf()
709   Head->removeSuccessor(FBB, true);  in convertIf()
717   DebugLoc HeadDL = Head->getFirstTerminator()->getDebugLoc();  in convertIf()
718   TII->removeBranch(*Head);  in convertIf()
731   assert(Head->succ_empty() && "Additional head successors?");  in convertIf()
732   if (!ExtraPreds && Head->isLayoutSuccessor(Tail)) {  in convertIf()
735                       << " into head " << printMBBReference(*Head) << '\n');  in convertIf()
736     Head->splice(Head->end(), Tail,  in convertIf()
738     Head->transferSuccessorsAndUpdatePHIs(Tail);  in convertIf()
745     TII->insertBranch(*Head, Tail, nullptr, EmptyCond, HeadDL);  in convertIf()
746     Head->addSuccessor(Tail);  in convertIf()
748   LLVM_DEBUG(dbgs() << *Head);  in convertIf()
810   MachineDomTreeNode *HeadNode = DomTree->getNode(IfConv.Head);  in updateDomTree()
837   Traces->invalidate(IfConv.Head);  in invalidateTraces()
882   MachineBasicBlock &MBB = *IfConv.Head;  in shouldConvertIf()
913   MachineTraceMetrics::Trace HeadTrace = MinInstr->getTrace(IfConv.Head);  in shouldConvertIf()
915       HeadTrace.getInstrCycles(*IfConv.Head->getFirstTerminator()).Depth;  in shouldConvertIf()
1127   auto TrueProbability = MBPI->getEdgeProbability(IfConv.Head, IfConv.TBB);  in shouldConvertIf()