213   if (!TopCand.isValid() || TopCand.SU->isScheduled ||  in pickNodeBidirectional()
214       TopCand.Policy != TopPolicy) {  in pickNodeBidirectional()
215     TopCand.reset(CandPolicy());  in pickNodeBidirectional()
216     pickNodeFromQueue(Top, TopPolicy, DAG->getTopRPTracker(), TopCand);  in pickNodeBidirectional()
217     assert(TopCand.Reason != NoCand && "failed to find the first candidate");  in pickNodeBidirectional()
219     LLVM_DEBUG(traceCandidate(TopCand));  in pickNodeBidirectional()
225       assert(TCand.SU == TopCand.SU &&  in pickNodeBidirectional()
232   LLVM_DEBUG(dbgs() << "Top Cand: "; traceCandidate(TopCand);  in pickNodeBidirectional()
235   TopCand.Reason = NoCand;  in pickNodeBidirectional()
236   GenericScheduler::tryCandidate(Cand, TopCand, nullptr);  in pickNodeBidirectional()
237   if (TopCand.Reason != NoCand) {  in pickNodeBidirectional()
238     Cand.setBest(TopCand);  in pickNodeBidirectional()
260         TopCand.reset(NoPolicy);  in pickNode()
261         pickNodeFromQueue(Top, NoPolicy, DAG->getTopRPTracker(), TopCand);  in pickNode()
262         assert(TopCand.Reason != NoCand && "failed to find a candidate");  in pickNode()
263         SU = TopCand.SU;  in pickNode()