111       for (MachineBasicBlock *PredBB : Preds) {  in VerifyPHIs()
115           if (PHIBB == PredBB) {  in VerifyPHIs()
124                  << printMBBReference(*PredBB) << '\n';  in VerifyPHIs()
353     MachineInstr *MI, MachineBasicBlock *TailBB, MachineBasicBlock *PredBB,  in processPHI()  argument
358   unsigned SrcOpIdx = getPHISrcRegOpIdx(MI, PredBB);  in processPHI()
370     addSSAUpdateEntry(DefReg, NewDef, PredBB);  in processPHI()
385     MachineInstr *MI, MachineBasicBlock *TailBB, MachineBasicBlock *PredBB,  in duplicateInstruction()  argument
390     BuildMI(*PredBB, PredBB->end(), PredBB->findDebugLoc(PredBB->begin()),  in duplicateInstruction()
395   MachineInstr &NewMI = TII->duplicate(*PredBB, PredBB->end(), *MI);  in duplicateInstruction()
410           addSSAUpdateEntry(Reg, NewReg, PredBB);  in duplicateInstruction()
451             BuildMI(*PredBB, NewMI, NewMI.getDebugLoc(),  in duplicateInstruction()
707   for (MachineBasicBlock *PredBB : BB.predecessors()) {  in canCompletelyDuplicateBB()
708     if (PredBB->succ_size() > 1)  in canCompletelyDuplicateBB()
713     if (TII->analyzeBranch(*PredBB, PredTBB, PredFBB, PredCond))  in canCompletelyDuplicateBB()
730   for (MachineBasicBlock *PredBB : Preds) {  in duplicateSimpleBB()
731     if (PredBB->hasEHPadSuccessor() || PredBB->mayHaveInlineAsmBr())  in duplicateSimpleBB()
734     if (bothUsedInPHI(*PredBB, Succs))  in duplicateSimpleBB()
739     if (TII->analyzeBranch(*PredBB, PredTBB, PredFBB, PredCond))  in duplicateSimpleBB()
743     LLVM_DEBUG(dbgs() << "\nTail-duplicating into PredBB: " << *PredBB  in duplicateSimpleBB()
747     MachineBasicBlock *NextBB = PredBB->getNextNode();  in duplicateSimpleBB()
777     auto DL = PredBB->findBranchDebugLoc();  in duplicateSimpleBB()
778     TII->removeBranch(*PredBB);  in duplicateSimpleBB()
780     if (!PredBB->isSuccessor(NewTarget))  in duplicateSimpleBB()
781       PredBB->replaceSuccessor(TailBB, NewTarget);  in duplicateSimpleBB()
783       PredBB->removeSuccessor(TailBB, true);  in duplicateSimpleBB()
784       assert(PredBB->succ_size() <= 1);  in duplicateSimpleBB()
788       TII->insertBranch(*PredBB, PredTBB, PredFBB, PredCond, DL);  in duplicateSimpleBB()
790     TDBBs.push_back(PredBB);  in duplicateSimpleBB()
796                                       MachineBasicBlock *PredBB) {  in canTailDuplicate()  argument
798   if (PredBB->succ_size() > 1)  in canTailDuplicate()
803   if (TII->analyzeBranch(*PredBB, PredTBB, PredFBB, PredCond))  in canTailDuplicate()
846   for (MachineBasicBlock *PredBB : Preds) {  in tailDuplicate()
847     assert(TailBB != PredBB &&  in tailDuplicate()
850     if (!canTailDuplicate(TailBB, PredBB))  in tailDuplicate()
859         IsLayoutSuccessor = (ForcedLayoutPred == PredBB);  in tailDuplicate()
860       else if (PredBB->isLayoutSuccessor(TailBB) && PredBB->canFallThrough())  in tailDuplicate()
866     LLVM_DEBUG(dbgs() << "\nTail-duplicating into PredBB: " << *PredBB  in tailDuplicate()
869     TDBBs.push_back(PredBB);  in tailDuplicate()
872     TII->removeBranch(*PredBB);  in tailDuplicate()
884         processPHI(MI, TailBB, PredBB, LocalVRMap, CopyInfos, UsedByPhi, true);  in tailDuplicate()
888         duplicateInstruction(MI, TailBB, PredBB, LocalVRMap, UsedByPhi);  in tailDuplicate()
891     appendCopies(PredBB, CopyInfos, Copies);  in tailDuplicate()
896     PredBB->removeSuccessor(PredBB->succ_begin());  in tailDuplicate()
897     assert(PredBB->succ_empty() &&  in tailDuplicate()
900       PredBB->addSuccessor(Succ, MBPI->getEdgeProbability(TailBB, Succ));  in tailDuplicate()
904       PredBB->updateTerminator(TailBB->getNextNode());  in tailDuplicate()
995   for (MachineBasicBlock *PredBB : Preds) {  in tailDuplicate()
996     if (is_contained(TDBBs, PredBB))  in tailDuplicate()
1000     if (PredBB->succ_size() != 1)  in tailDuplicate()
1011       processPHI(MI, TailBB, PredBB, LocalVRMap, CopyInfos, UsedByPhi, false);  in tailDuplicate()
1013     appendCopies(PredBB, CopyInfos, Copies);  in tailDuplicate()