84         MachineBasicBlock *PredBB = *PI;  in VerifyPHIs()  local
88           if (PHIBB == PredBB) {  in VerifyPHIs()
96                  << PredBB->getNumber() << '\n';  in VerifyPHIs()
304     MachineInstr *MI, MachineBasicBlock *TailBB, MachineBasicBlock *PredBB,  in processPHI()  argument
309   unsigned SrcOpIdx = getPHISrcRegOpIdx(MI, PredBB);  in processPHI()
321     addSSAUpdateEntry(DefReg, NewDef, PredBB);  in processPHI()
336     MachineInstr *MI, MachineBasicBlock *TailBB, MachineBasicBlock *PredBB,  in duplicateInstruction()  argument
355           addSSAUpdateEntry(Reg, NewReg, PredBB);  in duplicateInstruction()
396             BuildMI(*PredBB, MI, MI->getDebugLoc(),  in duplicateInstruction()
414   PredBB->insert(PredBB->instr_end(), NewMI);  in duplicateInstruction()
628   for (MachineBasicBlock *PredBB : BB.predecessors()) {  in canCompletelyDuplicateBB()
629     if (PredBB->succ_size() > 1)  in canCompletelyDuplicateBB()
634     if (TII->analyzeBranch(*PredBB, PredTBB, PredFBB, PredCond, true))  in canCompletelyDuplicateBB()
655     MachineBasicBlock *PredBB = *PI;  in duplicateSimpleBB()  local
657     if (PredBB->hasEHPadSuccessor())  in duplicateSimpleBB()
660     if (bothUsedInPHI(*PredBB, Succs))  in duplicateSimpleBB()
665     if (TII->analyzeBranch(*PredBB, PredTBB, PredFBB, PredCond, true))  in duplicateSimpleBB()
669     DEBUG(dbgs() << "\nTail-duplicating into PredBB: " << *PredBB  in duplicateSimpleBB()
673     MachineBasicBlock *NextBB = &*std::next(PredBB->getIterator());  in duplicateSimpleBB()
703     TII->RemoveBranch(*PredBB);  in duplicateSimpleBB()
705     if (!PredBB->isSuccessor(NewTarget))  in duplicateSimpleBB()
706       PredBB->replaceSuccessor(TailBB, NewTarget);  in duplicateSimpleBB()
708       PredBB->removeSuccessor(TailBB, true);  in duplicateSimpleBB()
709       assert(PredBB->succ_size() <= 1);  in duplicateSimpleBB()
713       TII->InsertBranch(*PredBB, PredTBB, PredFBB, PredCond, DebugLoc());  in duplicateSimpleBB()
715     TDBBs.push_back(PredBB);  in duplicateSimpleBB()
743     MachineBasicBlock *PredBB = *PI;  in tailDuplicate()  local
745     assert(TailBB != PredBB &&  in tailDuplicate()
748     if (PredBB->succ_size() > 1)  in tailDuplicate()
753     if (TII->analyzeBranch(*PredBB, PredTBB, PredFBB, PredCond, true))  in tailDuplicate()
758     if (PredBB->isLayoutSuccessor(TailBB) && PredBB->canFallThrough())  in tailDuplicate()
761     DEBUG(dbgs() << "\nTail-duplicating into PredBB: " << *PredBB  in tailDuplicate()
764     TDBBs.push_back(PredBB);  in tailDuplicate()
767     TII->RemoveBranch(*PredBB);  in tailDuplicate()
781         processPHI(MI, TailBB, PredBB, LocalVRMap, CopyInfos, UsedByPhi, true);  in tailDuplicate()
785         duplicateInstruction(MI, TailBB, PredBB, MF, LocalVRMap, UsedByPhi);  in tailDuplicate()
788     appendCopies(PredBB, CopyInfos, Copies);  in tailDuplicate()
791     TII->analyzeBranch(*PredBB, PredTBB, PredFBB, PredCond, true);  in tailDuplicate()
796     PredBB->removeSuccessor(PredBB->succ_begin());  in tailDuplicate()
797     assert(PredBB->succ_empty() &&  in tailDuplicate()
802       PredBB->addSuccessor(*I, MBPI->getEdgeProbability(TailBB, I));  in tailDuplicate()
880     MachineBasicBlock *PredBB = *PI;  in tailDuplicate()  local
881     if (std::find(TDBBs.begin(), TDBBs.end(), PredBB) != TDBBs.end())  in tailDuplicate()
885     if (PredBB->succ_size() != 1)  in tailDuplicate()
896       processPHI(MI, TailBB, PredBB, LocalVRMap, CopyInfos, UsedByPhi, false);  in tailDuplicate()
898     appendCopies(PredBB, CopyInfos, Copies);  in tailDuplicate()