79 static Optional<WalkResult>
81                 function_ref<Optional<WalkResult>(Operation *)> callback) {  in walkSymbolTable()
85       Optional<WalkResult> result = callback(&op);  in walkSymbolTable()
86       if (result != WalkResult::advance())  in walkSymbolTable()
97   return WalkResult::advance();  in walkSymbolTable()
103 static Optional<WalkResult>
105                 function_ref<Optional<WalkResult>(Operation *)> callback) {  in walkSymbolTable()
106   Optional<WalkResult> result = callback(op);  in walkSymbolTable()
107   if (result != WalkResult::advance() || op->hasTrait<OpTrait::SymbolTable>())  in walkSymbolTable()
440   auto verifySymbolUserFn = [&](Operation *op) -> Optional<WalkResult> {  in verifySymbolTable()
442       return WalkResult(user.verifySymbolUses(symbolTable));  in verifySymbolTable()
443     return WalkResult::advance();  in verifySymbolTable()
446   Optional<WalkResult> result =  in verifySymbolTable()
482 static WalkResult
484                function_ref<WalkResult(SymbolTable::SymbolUse)> callback) {  in walkSymbolRefs()
488     return WalkResult::advance();  in walkSymbolRefs()
509                           WorklistItem &worklistItem) -> WalkResult {  in walkSymbolRefs()
516           return WalkResult::interrupt();  in walkSymbolRefs()
523         return WalkResult::advance();  in walkSymbolRefs()
532     return WalkResult::advance();  in walkSymbolRefs()
535   WalkResult result = WalkResult::advance();  in walkSymbolRefs()
550 static Optional<WalkResult>
552                function_ref<WalkResult(SymbolTable::SymbolUse)> callback) {  in walkSymbolUses()
553   return walkSymbolTable(regions, [&](Operation *op) -> Optional<WalkResult> {  in walkSymbolUses()
564 static Optional<WalkResult>
566                function_ref<WalkResult(SymbolTable::SymbolUse)> callback) {  in walkSymbolUses()
576     return WalkResult::interrupt();  in walkSymbolUses()
583   return WalkResult::advance();  in walkSymbolUses()
600   Optional<WalkResult> walk(CallbackT cback) {  in walk()
611   Optional<WalkResult> walk(CallbackT cback) {  in walk()
613       return cback(use), WalkResult::advance();  in walk()
620   Optional<WalkResult> walkSymbolTable(CallbackT &&cback) {  in walkSymbolTable()
738     return WalkResult::advance();  in getSymbolUsesImpl()
807                      ? WalkResult::interrupt()  in symbolKnownUseEmptyImpl()
808                      : WalkResult::advance();  in symbolKnownUseEmptyImpl()
809         }) != WalkResult::advance())  in symbolKnownUseEmptyImpl()
855     auto walkFn = [&](Operation *op) -> Optional<WalkResult> {  in replaceAllSymbolUsesImpl()
878         return WalkResult::interrupt();  in replaceAllSymbolUsesImpl()
881       return WalkResult::advance();  in replaceAllSymbolUsesImpl()