Lines Matching defs:PredBB

539 /// PredBB          The layout predecessor of SuccBB, if any.
548                   MachineBasicBlock *PredBB,
586   if ((MBB1 == PredBB || MBB2 == PredBB) &&
589     unsigned NumTerms = CountTerminators(MBB1 == PredBB ? MBB2 : MBB1, I);
634   if (SuccBB && MBB1 != PredBB && MBB2 != PredBB &&
660                                         MachineBasicBlock *PredBB) {
673                             SuccBB, PredBB,
695                                         MachineBasicBlock *PredBB,
703     if (SuccBB && CurMBB != PredBB)
713 bool BranchFolder::CreateCommonTailOnlyBlock(MachineBasicBlock *&PredBB,
720     // Use PredBB if possible; that doesn't require a new branch.
721     if (SameTails[i].getBlock() == PredBB) {
756   // If we split PredBB, newMBB is the new predecessor.
757   if (PredBB == MBB)
758     PredBB = newMBB;
889 // if any, is given in PredBB.
893                                       MachineBasicBlock *PredBB,
904         if (PredBB)
906                  << printMBBReference(*PredBB) << "\n";
924                                                     SuccBB, PredBB);
929       RemoveBlocksWithHash(CurHash, SuccBB, PredBB, BranchDL);
935     // this same tail at once.  Use PredBB if that is one of the possibilities,
960         if (MBB == PredBB) {
970         (SameTails[commonTailIndex].getBlock() == PredBB &&
974       if (!CreateCommonTailOnlyBlock(PredBB, SuccBB,
976         RemoveBlocksWithHash(CurHash, SuccBB, PredBB, BranchDL);
1062     MachineBasicBlock *PredBB = &*std::prev(I);
1148       MadeChange |= TryTailMergeBlocks(IBB, PredBB, MinCommonTailLength);
1152     PredBB = &*std::prev(I); // this may have been changed in TryTailMergeBlocks
1154         MergePotentials.begin()->getBlock() != PredBB)
1323   for (MachineBasicBlock *PredBB : MBB.predecessors())
1324     if (PredBB->succ_size() == 1)
1325       copyDebugInfoToPredecessor(TII, MBB, *PredBB);
1501       // We have to be careful that the succs of PredBB aren't both no-successor
1502       // blocks.  If neither have successors and if PredBB is the second from
1701       for (MachineBasicBlock *PredBB : MBB->predecessors()) {
1705         if (PredBB != MBB && !PredBB->canFallThrough() &&
1706             !TII->analyzeBranch(*PredBB, PredTBB, PredFBB, PredCond, true) &&
1709             (!CurFallsThru || MBB->getNumber() >= PredBB->getNumber())) {
1725           MBB->moveAfter(PredBB);