Lines Matching defs:CurMBB

396 MachineBasicBlock *BranchFolder::SplitMBBAt(MachineBasicBlock &CurMBB,
399   if (!TII->isLegalToSplitMBBAt(CurMBB, BBI1))
402   MachineFunction &MF = *CurMBB.getParent();
405   MachineFunction::iterator MBBI = CurMBB.getIterator();
407   CurMBB.getParent()->insert(++MBBI, NewMBB);
410   NewMBB->transferSuccessors(&CurMBB);
412   // Add an edge from CurMBB to NewMBB for the fall-through.
413   CurMBB.addSuccessor(NewMBB);
416   NewMBB->splice(NewMBB->end(), &CurMBB, BBI1, CurMBB.end());
418   // NewMBB belongs to the same loop as CurMBB.
420     if (MachineLoop *ML = MLI->getLoopFor(&CurMBB))
423   // NewMBB inherits CurMBB's block frequency.
424   MBBFreqInfo.setBlockFreq(NewMBB, MBBFreqInfo.getBlockFreq(&CurMBB));
430   const auto &EHScopeI = EHScopeMembership.find(&CurMBB);
457 // CurMBB needs to add an unconditional branch to SuccMBB (we removed these
458 // branches temporarily for tail merging).  In the case where CurMBB ends
461 static void FixTail(MachineBasicBlock *CurMBB, MachineBasicBlock *SuccBB,
463   MachineFunction *MF = CurMBB->getParent();
464   MachineFunction::iterator I = std::next(MachineFunction::iterator(CurMBB));
467   DebugLoc dl = CurMBB->findBranchDebugLoc();
470   if (I != MF->end() && !TII->analyzeBranch(*CurMBB, TBB, FBB, Cond, true)) {
474         TII->removeBranch(*CurMBB);
475         TII->insertBranch(*CurMBB, SuccBB, nullptr, Cond, dl);
480   TII->insertBranch(*CurMBB, SuccBB, nullptr,
702     MachineBasicBlock *CurMBB = CurMPIter->getBlock();
703     if (SuccBB && CurMBB != PredBB)
704       FixTail(CurMBB, SuccBB, TII, BranchDL);