812   for (Node *RootN : Worklist) {  in switchInternalEdgeToRef()
819     if (RootN->DFSNumber != 0) {  in switchInternalEdgeToRef()
820       assert(RootN->DFSNumber == -1 &&  in switchInternalEdgeToRef()
825     RootN->DFSNumber = RootN->LowLink = 1;  in switchInternalEdgeToRef()
828     DFSStack.push_back({RootN, (*RootN)->call_begin()});  in switchInternalEdgeToRef()
1242     Node *RootN = Worklist.pop_back_val();  in removeInternalRefEdge()  local
1244     if (RootN->DFSNumber != 0) {  in removeInternalRefEdge()
1245       assert(RootN->DFSNumber == -1 &&  in removeInternalRefEdge()
1250     RootN->DFSNumber = RootN->LowLink = 1;  in removeInternalRefEdge()
1253     DFSStack.push_back({RootN, (*RootN)->begin()});  in removeInternalRefEdge()
1808   for (Node *RootN : Roots) {  in buildGenericSCCs()
1815     if (RootN->DFSNumber != 0) {  in buildGenericSCCs()
1816       assert(RootN->DFSNumber == -1 &&  in buildGenericSCCs()
1821     RootN->DFSNumber = RootN->LowLink = 1;  in buildGenericSCCs()
1824     DFSStack.push_back({RootN, GetBegin(*RootN)});  in buildGenericSCCs()