142     struct DFSState {  in RunCFGIsDAGCheck()  struct
143         GateRef cur;  in RunCFGIsDAGCheck()
144         GateAccessor::ConstUseWrapper uses;  in RunCFGIsDAGCheck()
145         GateAccessor::ConstUseIterator use;  in RunCFGIsDAGCheck()
294     struct DFSState {  in RunFlowCyclesFind()  struct
295         GateRef cur;  in RunFlowCyclesFind()
296         size_t numIns;  in RunFlowCyclesFind()
297         size_t idx;  in RunFlowCyclesFind()
467         struct DFSState {  in Run()  struct
468             size_t cur;  in Run()
469             std::vector<size_t> &succList;  in Run()
470             size_t idx;  in Run()