158       DFSStack(std::move(G.DFSStack)),  in LazyCallGraph()
172   DFSStack = std::move(G.DFSStack);  in operator =()
519   SmallVector<std::pair<Node *, call_edge_iterator>, 16> DFSStack;  in switchInternalEdgeToRef()  local
545     assert(DFSStack.empty() &&  in switchInternalEdgeToRef()
560     DFSStack.push_back({RootN, RootN->call_begin()});  in switchInternalEdgeToRef()
564       std::tie(N, I) = DFSStack.pop_back_val();  in switchInternalEdgeToRef()
571           DFSStack.push_back({N, I});  in switchInternalEdgeToRef()
593             while (!DFSStack.empty())  in switchInternalEdgeToRef()
594               OldSCC.Nodes.push_back(DFSStack.pop_back_val().first);  in switchInternalEdgeToRef()
651     } while (!DFSStack.empty());  in switchInternalEdgeToRef()
782   SmallVector<std::pair<RefSCC *, parent_iterator>, 8> DFSStack;  in insertIncomingRefEdge()  local
785   DFSStack.push_back({&SourceC, SourceC.parent_begin()});  in insertIncomingRefEdge()
787     auto DFSPair = DFSStack.pop_back_val();  in insertIncomingRefEdge()
800         assert(ConnectedDepth < (int)DFSStack.size() &&  in insertIncomingRefEdge()
802         ConnectedDepth = DFSStack.size();  in insertIncomingRefEdge()
810       DFSStack.push_back({C, I});  in insertIncomingRefEdge()
819     if ((int)DFSStack.size() == ConnectedDepth) {  in insertIncomingRefEdge()
827       assert(ConnectedDepth < (int)DFSStack.size() &&  in insertIncomingRefEdge()
831   } while (!DFSStack.empty());  in insertIncomingRefEdge()
1019   SmallVector<std::pair<Node *, edge_iterator>, 4> DFSStack;  in removeInternalRefEdge()  local
1022     assert(DFSStack.empty() &&  in removeInternalRefEdge()
1038     DFSStack.push_back({RootN, RootN->begin()});  in removeInternalRefEdge()
1042       std::tie(N, I) = DFSStack.pop_back_val();  in removeInternalRefEdge()
1054           DFSStack.push_back({N, I});  in removeInternalRefEdge()
1076             while (!DFSStack.empty())  in removeInternalRefEdge()
1077               MarkNodeForSCCNumber(*DFSStack.pop_back_val().first,  in removeInternalRefEdge()
1113         assert(!DFSStack.empty() &&  in removeInternalRefEdge()
1138     } while (!DFSStack.empty());  in removeInternalRefEdge()
1140     assert(DFSStack.empty() && "Didn't flush the entire DFS stack!");  in removeInternalRefEdge()
1230   assert(SCCMap.empty() && DFSStack.empty() &&  in insertEdge()
1237   assert(SCCMap.empty() && DFSStack.empty() &&  in removeEdge()
1300   SmallVector<std::pair<Node *, call_edge_iterator>, 16> DFSStack;  in buildSCCs()  local
1305     assert(DFSStack.empty() &&  in buildSCCs()
1320     DFSStack.push_back({RootN, RootN->call_begin()});  in buildSCCs()
1324       std::tie(N, I) = DFSStack.pop_back_val();  in buildSCCs()
1331           DFSStack.push_back({N, I});  in buildSCCs()
1387     } while (!DFSStack.empty());  in buildSCCs()
1420   if (DFSStack.empty()) {  in getNextRefSCCInPostOrder()
1434     DFSStack.push_back({N, N->begin()});  in getNextRefSCCInPostOrder()
1440     std::tie(N, I) = DFSStack.pop_back_val();  in getNextRefSCCInPostOrder()
1451         DFSStack.push_back({N, N->begin()});  in getNextRefSCCInPostOrder()
1486       assert(!DFSStack.empty() &&  in getNextRefSCCInPostOrder()