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
702     if (SuccBB && CurMBB != PredBB)  in RemoveBlocksWithHash()
712 bool BranchFolder::CreateCommonTailOnlyBlock(MachineBasicBlock *&PredBB,  in CreateCommonTailOnlyBlock()  argument
720     if (SameTails[i].getBlock() == PredBB) {  in CreateCommonTailOnlyBlock()
756   if (PredBB == MBB)  in CreateCommonTailOnlyBlock()
757     PredBB = newMBB;  in CreateCommonTailOnlyBlock()
884                                       MachineBasicBlock *PredBB,  in TryTailMergeBlocks()  argument
895         if (PredBB)  in TryTailMergeBlocks()
897                  << printMBBReference(*PredBB) << "\n";  in TryTailMergeBlocks()
914                                                     SuccBB, PredBB);  in TryTailMergeBlocks()
919       RemoveBlocksWithHash(CurHash, SuccBB, PredBB);  in TryTailMergeBlocks()
950         if (MBB == PredBB) {  in TryTailMergeBlocks()
960         (SameTails[commonTailIndex].getBlock() == PredBB &&  in TryTailMergeBlocks()
964       if (!CreateCommonTailOnlyBlock(PredBB, SuccBB,  in TryTailMergeBlocks()
966         RemoveBlocksWithHash(CurHash, SuccBB, PredBB);  in TryTailMergeBlocks()
1051     MachineBasicBlock *PredBB = &*std::prev(I);  in TailMergeBlocks()  local
1136       MadeChange |= TryTailMergeBlocks(IBB, PredBB, MinCommonTailLength);  in TailMergeBlocks()
1140     PredBB = &*std::prev(I); // this may have been changed in TryTailMergeBlocks  in TailMergeBlocks()
1142         MergePotentials.begin()->getBlock() != PredBB)  in TailMergeBlocks()
1310   for (MachineBasicBlock *PredBB : MBB.predecessors())  in salvageDebugInfoFromEmptyBlock()
1311     if (PredBB->succ_size() == 1)  in salvageDebugInfoFromEmptyBlock()
1312       copyDebugInfoToPredecessor(TII, MBB, *PredBB);  in salvageDebugInfoFromEmptyBlock()
1670       for (MachineBasicBlock *PredBB : MBB->predecessors()) {  in OptimizeBlock()
1674         if (PredBB != MBB && !PredBB->canFallThrough() &&  in OptimizeBlock()
1675             !TII->analyzeBranch(*PredBB, PredTBB, PredFBB, PredCond, true) &&  in OptimizeBlock()
1678             (!CurFallsThru || MBB->getNumber() >= PredBB->getNumber())) {  in OptimizeBlock()
1694           MBB->moveAfter(PredBB);  in OptimizeBlock()