Lines Matching refs:TailBB
818 // TailBB
819 // Note TailBB can be empty.
1228 MachineBasicBlock *TailBB = TrueBBI.TrueBB;
1230 if (!TailBB) {
1232 TailBB = FalseBBI.TrueBB;
1233 assert((TailBB || !TrueBBI.IsBrAnalyzable) && "Unexpected!");
1389 MergeBlocks(BBI, *BBI1, TailBB == 0);
1390 MergeBlocks(BBI, *BBI2, TailBB == 0);
1396 if (TailBB) {
1397 BBInfo &TailBBI = BBAnalysis[TailBB->getNumber()];
1400 // There may still be a fall-through edge from BBI1 or BBI2 to TailBB;
1402 unsigned NumPreds = TailBB->pred_size();
1406 MachineBasicBlock::pred_iterator PI = TailBB->pred_begin();
1414 BBI.BB->addSuccessor(TailBB);
1415 InsertUncondBranch(BBI.BB, TailBB, TII);
1421 // which can happen here if TailBB is unanalyzable and is merged, so
