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Lines Matching defs:MBBI

646     MachineBasicBlock::iterator MBBI(MI);
648     do AtBegin = MBBI == MBB->begin();
649     while (!AtBegin && (--MBBI)->isDebugValue());
666     if (AtBegin || !MBBI->readsVirtualRegister(Edit->getReg())) {
670       SlotIndex Kill = LIS.getInstructionIndex(MBBI).getRegSlot();
671       DEBUG(dbgs() << "  move kill to " << Kill << '\t' << *MBBI);