1415   MachineBasicBlock *CurTBB = nullptr, *CurFBB = nullptr;  in OptimizeBlock()  local
1418       TII->analyzeBranch(*MBB, CurTBB, CurFBB, CurCond, true);  in OptimizeBlock()
1421     MadeChange |= MBB->CorrectExtraCFGEdges(CurTBB, CurFBB, !CurCond.empty());  in OptimizeBlock()
1428     if (CurTBB && CurFBB && CurFBB == MBB && CurTBB != MBB) {  in OptimizeBlock()
1433         TII->InsertBranch(*MBB, CurFBB, CurTBB, NewCond, dl);  in OptimizeBlock()
1442     if (CurTBB && CurCond.empty() && !CurFBB &&  in OptimizeBlock()
1443         IsBranchOnlyBlock(MBB) && CurTBB != MBB &&  in OptimizeBlock()
1496               PMBB->ReplaceUsesOfBlockWith(MBB, CurTBB);  in OptimizeBlock()
1518             MJTI->ReplaceMBBInJumpTables(MBB, CurTBB);  in OptimizeBlock()
1528       TII->InsertBranch(*MBB, CurTBB, nullptr, CurCond, dl);  in OptimizeBlock()
1550             (!CurFallsThru || !CurTBB || !CurFBB) &&  in OptimizeBlock()