Lines Matching defs:PrevBB

1396   MachineBasicBlock &PrevBB = *std::prev(MachineFunction::iterator(MBB));
1401       TII->analyzeBranch(PrevBB, PriorTBB, PriorFBB, PriorCond, true);
1407       DebugLoc dl = getBranchDebugLoc(PrevBB);
1408       TII->removeBranch(PrevBB);
1411         TII->insertBranch(PrevBB, PriorTBB, nullptr, PriorCond, dl);
1422     // This has to check PrevBB->succ_size() because EH edges are ignored by
1425         PrevBB.succ_size() == 1 && PrevBB.isSuccessor(MBB) &&
1427       LLVM_DEBUG(dbgs() << "\nMerging into block: " << PrevBB
1430       if (!PrevBB.empty()) {
1431         MachineBasicBlock::iterator PrevBBIter = PrevBB.end();
1434         // Check if DBG_VALUE at the end of PrevBB is identical to the
1436         while (PrevBBIter != PrevBB.begin() && MBBIter != MBB->end()
1445       PrevBB.splice(PrevBB.end(), MBB, MBB->begin(), MBB->end());
1446       PrevBB.removeSuccessor(PrevBB.succ_begin());
1447       assert(PrevBB.succ_empty());
1448       PrevBB.transferSuccessors(MBB);
1456       TII->removeBranch(PrevBB);
1465       DebugLoc dl = getBranchDebugLoc(PrevBB);
1466       TII->removeBranch(PrevBB);
1467       TII->insertBranch(PrevBB, PriorTBB, nullptr, PriorCond, dl);
1479         DebugLoc dl = getBranchDebugLoc(PrevBB);
1480         TII->removeBranch(PrevBB);
1481         TII->insertBranch(PrevBB, PriorFBB, nullptr, NewPriorCond, dl);
1517           DebugLoc dl = getBranchDebugLoc(PrevBB);
1518           TII->removeBranch(PrevBB);
1519           TII->insertBranch(PrevBB, MBB, nullptr, NewPriorCond, dl);
1613         bool PredHasNoFallThrough = !PrevBB.canFallThrough();
1615             !PrevBB.isSuccessor(MBB)) {
1618           if (!PredHasNoFallThrough && PrevBB.isSuccessor(MBB) &&
1628             DebugLoc pdl = getBranchDebugLoc(PrevBB);
1629             TII->removeBranch(PrevBB);
1630             TII->insertBranch(PrevBB, PriorTBB, PriorFBB, PriorCond, pdl);
1692   if (!PrevBB.canFallThrough()) {
1772           !TII->analyzeBranch(PrevBB, PrevTBB, PrevFBB, PrevCond, true) &&
1773           PrevBB.isSuccessor(&*FallThrough)) {