437     SUnit *Src, int SrcOpIdx, SUnit *Dst, int DstOpIdx, SDep &Dep,  in adjustSchedDependency()  argument
439   if (!Src->isInstr() || !Dst->isInstr())  in adjustSchedDependency()
443   MachineInstr *DstInst = Dst->getInstr();  in adjustSchedDependency()
450       isBestZeroLatency(Src, Dst, QII, ExclSrc, ExclDst)) {  in adjustSchedDependency()
468     for (const auto &DDep : Dst->Succs) {  in adjustSchedDependency()
503       isBestZeroLatency(Src, Dst, QII, ExclSrc, ExclDst)) {  in adjustSchedDependency()
554 void HexagonSubtarget::restoreLatency(SUnit *Src, SUnit *Dst) const {  in restoreLatency()
557     if (!I.isAssignedRegDep() || I.getSUnit() != Dst)  in restoreLatency()
576     MachineInstr *DstI = Dst->getInstr();  in restoreLatency()
596     auto F = find(Dst->Preds, T);  in restoreLatency()
597     assert(F != Dst->Preds.end());  in restoreLatency()
603 void HexagonSubtarget::changeLatency(SUnit *Src, SUnit *Dst, unsigned Lat)  in changeLatency()  argument
606     if (!I.isAssignedRegDep() || I.getSUnit() != Dst)  in changeLatency()
613     auto F = find(Dst->Preds, T);  in changeLatency()
614     assert(F != Dst->Preds.end());  in changeLatency()
632 bool HexagonSubtarget::isBestZeroLatency(SUnit *Src, SUnit *Dst,  in isBestZeroLatency()  argument
636   MachineInstr &DstInst = *Dst->getInstr();  in isBestZeroLatency()
639   if (Dst->isBoundaryNode())  in isBestZeroLatency()
652   if (getZeroLatency(Dst, Dst->Succs) != nullptr)  in isBestZeroLatency()
658   SUnit *SrcBest = getZeroLatency(Dst, Dst->Preds);  in isBestZeroLatency()
662     if (DstBest == nullptr || Dst->NodeNum <= DstBest->NodeNum)  in isBestZeroLatency()
663       Best = Dst;  in isBestZeroLatency()
665   if (Best != Dst)  in isBestZeroLatency()
670   if ((Src == SrcBest && Dst == DstBest ) ||  in isBestZeroLatency()
671       (SrcBest == nullptr && Dst == DstBest) ||  in isBestZeroLatency()
672       (Src == SrcBest && Dst == nullptr))  in isBestZeroLatency()
679       changeLatency(SrcBest, Dst, 1);  in isBestZeroLatency()
681       restoreLatency(SrcBest, Dst);  in isBestZeroLatency()
707     ExclDst.insert(Dst);  in isBestZeroLatency()