2712   TopCand.SU = nullptr;  in initialize()
3145   if (!TopCand.isValid() || TopCand.SU->isScheduled ||  in pickNodeBidirectional()
3146       TopCand.Policy != TopPolicy) {  in pickNodeBidirectional()
3147     TopCand.reset(CandPolicy());  in pickNodeBidirectional()
3148     pickNodeFromQueue(Top, TopPolicy, DAG->getTopRPTracker(), TopCand);  in pickNodeBidirectional()
3149     assert(TopCand.Reason != NoCand && "failed to find the first candidate");  in pickNodeBidirectional()
3151     LLVM_DEBUG(traceCandidate(TopCand));  in pickNodeBidirectional()
3157       assert(TCand.SU == TopCand.SU &&  in pickNodeBidirectional()
3165   assert(TopCand.isValid());  in pickNodeBidirectional()
3167   TopCand.Reason = NoCand;  in pickNodeBidirectional()
3168   tryCandidate(Cand, TopCand, nullptr);  in pickNodeBidirectional()
3169   if (TopCand.Reason != NoCand) {  in pickNodeBidirectional()
3170     Cand.setBest(TopCand);  in pickNodeBidirectional()
3192         TopCand.reset(NoPolicy);  in pickNode()
3193         pickNodeFromQueue(Top, NoPolicy, DAG->getTopRPTracker(), TopCand);  in pickNode()
3194         assert(TopCand.Reason != NoCand && "failed to find a candidate");  in pickNode()
3195         tracePick(TopCand);  in pickNode()
3196         SU = TopCand.SU;  in pickNode()
3398       SchedCandidate TopCand(NoPolicy);  in pickNode()  local
3401       setPolicy(TopCand.Policy, /*IsPostRA=*/true, Top, nullptr);  in pickNode()
3402       pickNodeFromQueue(TopCand);  in pickNode()
3403       assert(TopCand.Reason != NoCand && "failed to find a candidate");  in pickNode()
3404       tracePick(TopCand);  in pickNode()
3405       SU = TopCand.SU;  in pickNode()