218   auto &ThreadStack = PerThreadFunctionStack[Record.TId];  in accountRecord()  local
224     ThreadStack.push_back({Record.FuncId, Record.TSC});  in accountRecord()
231     if (ThreadStack.size() == 0 || ThreadStack.back().FuncId != Record.FuncId) {  in accountRecord()
236           llvm::any_of(llvm::reverse(ThreadStack), [&](const FunctionAttr &A) {  in accountRecord()
244       while (ThreadStack.back().FuncId != Record.FuncId) {  in accountRecord()
245         TimestampT D = diff(ThreadStack.back().TSC, Record.TSC);  in accountRecord()
246         VertexIdentifier TopFuncId = ThreadStack.back().FuncId;  in accountRecord()
247         ThreadStack.pop_back();  in accountRecord()
248         assert(ThreadStack.size() != 0);  in accountRecord()
249         EdgeIdentifier EI(ThreadStack.back().FuncId, TopFuncId);  in accountRecord()
256     uint64_t D = diff(ThreadStack.back().TSC, Record.TSC);  in accountRecord()
257     ThreadStack.pop_back();  in accountRecord()
258     VertexIdentifier VI = ThreadStack.empty() ? 0 : ThreadStack.back().FuncId;  in accountRecord()
469     for (const auto &ThreadStack : GR.getPerThreadFunctionStack()) {  in getGraphRenderer()  local
470       errs() << "Thread ID: " << ThreadStack.first << "\n";  in getGraphRenderer()
471       auto Level = ThreadStack.second.size();  in getGraphRenderer()
472       for (const auto &Entry : llvm::reverse(ThreadStack.second))  in getGraphRenderer()