145     struct DFSState {  in RunCFGIsDAGCheck()  struct
146         GateRef cur;  in RunCFGIsDAGCheck()
147         GateAccessor::ConstUseWrapper uses;  in RunCFGIsDAGCheck()
148         GateAccessor::ConstUseIterator use;  in RunCFGIsDAGCheck()
297     struct DFSState {  in RunFlowCyclesFind()  struct
298         GateRef cur;  in RunFlowCyclesFind()
299         size_t numIns;  in RunFlowCyclesFind()
300         size_t idx;  in RunFlowCyclesFind()
472         struct DFSState {  in Run()  struct
473             size_t cur;  in Run()
474             std::vector<size_t> &succList;  in Run()
475             size_t idx;  in Run()