548                   MachineBasicBlock *PredBB,  in ProfitableToMerge()  argument
586   if ((MBB1 == PredBB || MBB2 == PredBB) &&  in ProfitableToMerge()
589     unsigned NumTerms = CountTerminators(MBB1 == PredBB ? MBB2 : MBB1, I);  in ProfitableToMerge()
634   if (SuccBB && MBB1 != PredBB && MBB2 != PredBB &&  in ProfitableToMerge()
660                                         MachineBasicBlock *PredBB) {  in ComputeSameTails()  argument
673                             SuccBB, PredBB,  in ComputeSameTails()
695                                         MachineBasicBlock *PredBB,  in RemoveBlocksWithHash()  argument
703     if (SuccBB && CurMBB != PredBB)  in RemoveBlocksWithHash()
713 bool BranchFolder::CreateCommonTailOnlyBlock(MachineBasicBlock *&PredBB,  in CreateCommonTailOnlyBlock()  argument
721     if (SameTails[i].getBlock() == PredBB) {  in CreateCommonTailOnlyBlock()
757   if (PredBB == MBB)  in CreateCommonTailOnlyBlock()
758     PredBB = newMBB;  in CreateCommonTailOnlyBlock()
893                                       MachineBasicBlock *PredBB,  in TryTailMergeBlocks()  argument
904         if (PredBB)  in TryTailMergeBlocks()
906                  << printMBBReference(*PredBB) << "\n";  in TryTailMergeBlocks()
924                                                     SuccBB, PredBB);  in TryTailMergeBlocks()
929       RemoveBlocksWithHash(CurHash, SuccBB, PredBB, BranchDL);  in TryTailMergeBlocks()
960         if (MBB == PredBB) {  in TryTailMergeBlocks()
970         (SameTails[commonTailIndex].getBlock() == PredBB &&  in TryTailMergeBlocks()
974       if (!CreateCommonTailOnlyBlock(PredBB, SuccBB,  in TryTailMergeBlocks()
976         RemoveBlocksWithHash(CurHash, SuccBB, PredBB, BranchDL);  in TryTailMergeBlocks()
1062     MachineBasicBlock *PredBB = &*std::prev(I);  in TailMergeBlocks()  local
1148       MadeChange |= TryTailMergeBlocks(IBB, PredBB, MinCommonTailLength);  in TailMergeBlocks()
1152     PredBB = &*std::prev(I); // this may have been changed in TryTailMergeBlocks  in TailMergeBlocks()
1154         MergePotentials.begin()->getBlock() != PredBB)  in TailMergeBlocks()
1323   for (MachineBasicBlock *PredBB : MBB.predecessors())  in salvageDebugInfoFromEmptyBlock()
1324     if (PredBB->succ_size() == 1)  in salvageDebugInfoFromEmptyBlock()
1325       copyDebugInfoToPredecessor(TII, MBB, *PredBB);  in salvageDebugInfoFromEmptyBlock()
1701       for (MachineBasicBlock *PredBB : MBB->predecessors()) {  in OptimizeBlock()
1705         if (PredBB != MBB && !PredBB->canFallThrough() &&  in OptimizeBlock()
1706             !TII->analyzeBranch(*PredBB, PredTBB, PredFBB, PredCond, true) &&  in OptimizeBlock()
1709             (!CurFallsThru || MBB->getNumber() >= PredBB->getNumber())) {  in OptimizeBlock()
1725           MBB->moveAfter(PredBB);  in OptimizeBlock()