Lines Matching defs:BtSU
950 void ScheduleDAGRRList::BacktrackBottomUp(SUnit *SU, SUnit *BtSU) {
958 if (OldSU == BtSU)
1512 SUnit *BtSU = nullptr;
1516 BtSU = LiveRegGens[Reg];
1517 LiveCycle = BtSU->getHeight();
1520 if (!WillCreateCycle(TrySU, BtSU)) {
1522 BacktrackBottomUp(TrySU, BtSU);
1526 if (BtSU->isAvailable) {
1527 BtSU->isAvailable = false;
1528 if (!BtSU->isPending)
1529 AvailableQueue->remove(BtSU);
1531 LLVM_DEBUG(dbgs() << "ARTIFICIAL edge from SU(" << BtSU->NodeNum
1533 AddPredQueued(TrySU, SDep(BtSU, SDep::Artificial));