77   for (NodeAddr<RefNode*> RA : IA.Addr->members(DFG)) {  in scanInstr()
78     if (!LiveNodes.count(RA.Id))  in scanInstr()
79       WorkQ.push_back(RA.Id);  in scanInstr()
124     auto RA = DFG.addr<RefNode*>(N);  in collect()  local
125     if (DFG.IsDef(RA))  in collect()
126       processDef(RA, WorkQ);  in collect()
128       processUse(RA, WorkQ);  in collect()
134       auto RA = DFG.addr<RefNode*>(N);  in collect()  local
135       dbgs() << PrintNode<RefNode*>(RA, DFG) << "\n";  in collect()
148       for (NodeAddr<RefNode*> RA : IA.Addr->members(DFG))  in collect()
149         if (!LiveNodes.count(RA.Id))  in collect()
150           DeadNodes.insert(RA.Id);  in collect()
210   for (NodeAddr<RefNode*> RA : DRNs) {  in erase()
212       dbgs() << "  " << PrintNode<RefNode*>(RA, DFG) << '\n';  in erase()
213     if (DFG.IsUse(RA))  in erase()
214       DFG.unlinkUse(RA, true);  in erase()
215     else if (DFG.IsDef(RA))  in erase()
216       DFG.unlinkDef(RA, true);  in erase()