799   for (Node *RootN : Worklist) {  in switchInternalEdgeToRef()
806     if (RootN->DFSNumber != 0) {  in switchInternalEdgeToRef()
807       assert(RootN->DFSNumber == -1 &&  in switchInternalEdgeToRef()
812     RootN->DFSNumber = RootN->LowLink = 1;  in switchInternalEdgeToRef()
815     DFSStack.emplace_back(RootN, (*RootN)->call_begin());  in switchInternalEdgeToRef()
1227     Node *RootN = Worklist.pop_back_val();  in removeInternalRefEdge()  local
1229     if (RootN->DFSNumber != 0) {  in removeInternalRefEdge()
1230       assert(RootN->DFSNumber == -1 &&  in removeInternalRefEdge()
1235     RootN->DFSNumber = RootN->LowLink = 1;  in removeInternalRefEdge()
1238     DFSStack.emplace_back(RootN, (*RootN)->begin());  in removeInternalRefEdge()
1805   for (Node *RootN : Roots) {  in buildGenericSCCs()
1812     if (RootN->DFSNumber != 0) {  in buildGenericSCCs()
1813       assert(RootN->DFSNumber == -1 &&  in buildGenericSCCs()
1818     RootN->DFSNumber = RootN->LowLink = 1;  in buildGenericSCCs()
1821     DFSStack.emplace_back(RootN, GetBegin(*RootN));  in buildGenericSCCs()