79   SUnit *SU = &SUnits.back();  in newSUnit()  local
84     SU->SchedulingPref = Sched::None;  in newSUnit()
86     SU->SchedulingPref = TLI.getSchedulingPreference(N);  in newSUnit()
87   return SU;  in newSUnit()
91   SUnit *SU = newSUnit(Old->getNode());  in Clone()  local
92   SU->OrigNode = Old->OrigNode;  in Clone()
93   SU->Latency = Old->Latency;  in Clone()
94   SU->isVRegCycle = Old->isVRegCycle;  in Clone()
95   SU->isCall = Old->isCall;  in Clone()
96   SU->isCallOp = Old->isCallOp;  in Clone()
97   SU->isTwoAddress = Old->isTwoAddress;  in Clone()
98   SU->isCommutable = Old->isCommutable;  in Clone()
99   SU->hasPhysRegDefs = Old->hasPhysRegDefs;  in Clone()
100   SU->hasPhysRegClobbers = Old->hasPhysRegClobbers;  in Clone()
101   SU->isScheduleHigh = Old->isScheduleHigh;  in Clone()
102   SU->isScheduleLow = Old->isScheduleLow;  in Clone()
103   SU->SchedulingPref = Old->SchedulingPref;  in Clone()
105   return SU;  in Clone()
429     SUnit *SU = CallSUnits.pop_back_val();  in BuildSchedUnits()  local
430     for (const SDNode *SUNode = SU->getNode(); SUNode;  in BuildSchedUnits()
449   for (SUnit &SU : SUnits) {  in AddSchedEdges()
450     SDNode *MainNode = SU.getNode();  in AddSchedEdges()
457           SU.isTwoAddress = true;  in AddSchedEdges()
462         SU.isCommutable = true;  in AddSchedEdges()
466     for (SDNode *N = SU.getNode(); N; N = N->getGluedNode()) {  in AddSchedEdges()
469         SU.hasPhysRegClobbers = true;  in AddSchedEdges()
474           SU.hasPhysRegDefs = true;  in AddSchedEdges()
483         if (OpSU == &SU)  in AddSchedEdges()
516           ST.adjustSchedDependency(OpSU, DefIdx, &SU, i, Dep, nullptr);  in AddSchedEdges()
519         if (!SU.addPred(Dep) && !Dep.isCtrl() && OpSU->NumRegDefsLeft > 1) {  in AddSchedEdges()
583 ScheduleDAGSDNodes::RegDefIter::RegDefIter(const SUnit *SU,  in RegDefIter()  argument
585     : SchedDAG(SD), Node(SU->getNode()) {  in RegDefIter()
608 void ScheduleDAGSDNodes::InitNumRegDefsLeft(SUnit *SU) {  in InitNumRegDefsLeft()  argument
609   assert(SU->NumRegDefsLeft == 0 && "expect a new node");  in InitNumRegDefsLeft()
610   for (RegDefIter I(SU, this); I.IsValid(); I.Advance()) {  in InitNumRegDefsLeft()
611     assert(SU->NumRegDefsLeft < USHRT_MAX && "overflow is ok but unexpected");  in InitNumRegDefsLeft()
612     ++SU->NumRegDefsLeft;  in InitNumRegDefsLeft()
616 void ScheduleDAGSDNodes::computeLatency(SUnit *SU) {  in computeLatency()  argument
617   SDNode *N = SU->getNode();  in computeLatency()
623     SU->Latency = 0;  in computeLatency()
629     SU->Latency = 1;  in computeLatency()
636       SU->Latency = HighLatencyCycles;  in computeLatency()
638       SU->Latency = 1;  in computeLatency()
644   SU->Latency = 0;  in computeLatency()
645   for (SDNode *N = SU->getNode(); N; N = N->getGluedNode())  in computeLatency()
647       SU->Latency += TII->getInstrLatency(InstrItins, N);  in computeLatency()
678 void ScheduleDAGSDNodes::dumpNode(const SUnit &SU) const {  in dumpNode()
680   dumpNodeName(SU);  in dumpNode()
683   if (!SU.getNode()) {  in dumpNode()
688   SU.getNode()->dump(DAG);  in dumpNode()
691   for (SDNode *N = SU.getNode()->getGluedNode(); N; N = N->getGluedNode())  in dumpNode()
706   for (const SUnit &SU : SUnits)  in dump()  local
707     dumpNodeAll(SU);  in dump()
715   for (const SUnit *SU : Sequence) {  in dumpSchedule()  local
716     if (SU)  in dumpSchedule()
717       dumpNode(*SU);  in dumpSchedule()
811 EmitPhysRegCopy(SUnit *SU, DenseMap<SUnit*, Register> &VRBaseMap,  in EmitPhysRegCopy()  argument
813   for (const SDep &Pred : SU->Preds) {  in EmitPhysRegCopy()
823       for (const SDep &Succ : SU->Succs) {  in EmitPhysRegCopy()
836       Register VRBase = MRI.createVirtualRegister(SU->CopyDstRC);  in EmitPhysRegCopy()
837       bool isNew = VRBaseMap.insert(std::make_pair(SU, VRBase)).second;  in EmitPhysRegCopy()
929   for (SUnit *SU : Sequence) {  in EmitSchedule()
930     if (!SU) {  in EmitSchedule()
938     if (!SU->getNode()) {  in EmitSchedule()
940       EmitPhysRegCopy(SU, CopyVRBaseMap, InsertPos);  in EmitSchedule()
945     for (SDNode *N = SU->getNode()->getGluedNode(); N; N = N->getGluedNode())  in EmitSchedule()
949       auto NewInsn = EmitNode(N, SU->OrigNode != SU, SU->isCloned, VRBaseMap);  in EmitSchedule()
961         EmitNode(SU->getNode(), SU->OrigNode != SU, SU->isCloned, VRBaseMap);  in EmitSchedule()
964       ProcessSourceNode(SU->getNode(), DAG, Emitter, VRBaseMap, Orders, Seen,  in EmitSchedule()
967     if (MDNode *MD = DAG->getHeapAllocSite(SU->getNode())) {  in EmitSchedule()