diff --git a/mindspore/ccsrc/debug/trace.cc b/mindspore/ccsrc/debug/trace.cc
index 22674cacd1..e12a7b1209 100644
--- a/mindspore/ccsrc/debug/trace.cc
+++ b/mindspore/ccsrc/debug/trace.cc
@@ -124,6 +124,8 @@ class AnalyzedFuncGraphExporter : public AnfExporter {
 
   void ExportOneFuncGraph(std::ofstream &ofs, const FuncGraphPtr &func_graph);
   void OutputCNodes(std::ofstream &ofs, const std::vector<AnfNodePtr> &nodes, const FuncGraphPtr &func_graph);
+  void OutputCNode(std::ofstream &ofs, const CNodePtr &cnode, const FuncGraphPtr &func_graph, int *idx,
+                   std::map<AnfNodePtr, int> *const apply_map);
 
  private:
   std::string GetNodeType(const AnfNodePtr &nd) override;
@@ -169,7 +171,7 @@ std::string AnalyzedFuncGraphExporter::GetNodeType(const AnfNodePtr &node) {
   }
   auto abs = ret->abstract();
   if (abs == nullptr) {
-    return nullptr;
+    return "Undefined";
   }
   auto dtype = abs->BuildType();
   auto shape = abs->BuildShape();
@@ -247,6 +249,51 @@ AnalysisContextPtr AnalyzedFuncGraphExporter::ProcessFuncGraphCall(const CNodePt
   return ctx;
 }
 
+void AnalyzedFuncGraphExporter::OutputCNode(std::ofstream &ofs, const CNodePtr &cnode, const FuncGraphPtr &func_graph,
+                                            int *idx, std::map<AnfNodePtr, int> *const apply_map) {
+  auto &inputs = cnode->inputs();
+  std::string op_text = GetAnfNodeText(func_graph, inputs[0], *apply_map);
+  // non-return node
+  if (cnode != func_graph->get_return()) {
+    int apply_idx = (*idx)++;
+    (*apply_map)[cnode] = apply_idx;
+    std::string type_info = GetNodeType(cnode);
+    if (type_info == "Undefined") {
+      ofs << "    %" << apply_idx << " = " << op_text << "(";
+    } else {
+      ofs << "    %" << apply_idx << " : " << type_info << " = " << op_text << "(";
+    }
+  } else {
+    ofs << "    " << op_text << "(";
+  }
+
+  for (size_t i = 1; i < inputs.size(); ++i) {
+    if (i != 1) {
+      ofs << ", ";
+    }
+    AnfNodePtr arg = inputs[i];
+    ofs << GetAnfNodeText(func_graph, arg, *apply_map);
+  }
+  ofs << ")";
+
+  // process function graph call
+  auto ctx = ProcessFuncGraphCall(cnode);
+
+  // output comment
+  OutputStatementComment(ofs, cnode);
+  if (ctx != nullptr) {
+    ofs << " @ctx.addr=" << ctx.get();
+  }
+  ofs << "\n";
+
+  if (label_manage::GetGlobalTraceLabelType() == label_manage::TraceLabelType::kWithUniqueId) {
+    ofs << trace::GetDebugInfo(cnode->debug_info(), "      # ", kSourceLineTipDiscard) << "#"
+        << label_manage::Label(cnode->debug_info()) << "\n";
+  } else {
+    ofs << trace::GetDebugInfo(cnode->debug_info(), "      # ", kSourceLineTipDiscard) << "\n";
+  }
+}
+
 void AnalyzedFuncGraphExporter::OutputCNodes(std::ofstream &ofs, const std::vector<AnfNodePtr> &nodes,
                                              const FuncGraphPtr &func_graph) {
   if (func_graph == nullptr) {
@@ -267,47 +314,7 @@ void AnalyzedFuncGraphExporter::OutputCNodes(std::ofstream &ofs, const std::vect
     }
 
     auto cnode = node->cast<CNodePtr>();
-    auto &inputs = cnode->inputs();
-    std::string op_text = GetAnfNodeText(func_graph, inputs[0], apply_map);
-    // non-return node
-    if (node != func_graph->get_return()) {
-      int apply_idx = idx++;
-      apply_map[node] = apply_idx;
-      std::string type_info = GetNodeType(node);
-      if (type_info == "Undefined") {
-        ofs << "    %" << apply_idx << " = " << op_text << "(";
-      } else {
-        ofs << "    %" << apply_idx << " : " << type_info << " = " << op_text << "(";
-      }
-    } else {
-      ofs << "    " << op_text << "(";
-    }
-
-    for (size_t i = 1; i < inputs.size(); ++i) {
-      if (i != 1) {
-        ofs << ", ";
-      }
-      AnfNodePtr arg = inputs[i];
-      ofs << GetAnfNodeText(func_graph, arg, apply_map);
-    }
-    ofs << ")";
-
-    // process function graph call
-    auto ctx = ProcessFuncGraphCall(cnode);
-
-    // output comment
-    OutputStatementComment(ofs, cnode);
-    if (ctx != nullptr) {
-      ofs << " @ctx.addr=" << ctx.get();
-    }
-    ofs << "\n";
-
-    if (label_manage::GetGlobalTraceLabelType() == label_manage::TraceLabelType::kWithUniqueId) {
-      ofs << trace::GetDebugInfo(cnode->debug_info(), "      # ", kSourceLineTipDiscard) << "#"
-          << label_manage::Label(cnode->debug_info()) << "\n";
-    } else {
-      ofs << trace::GetDebugInfo(cnode->debug_info(), "      # ", kSourceLineTipDiscard) << "\n";
-    }
+    OutputCNode(ofs, cnode, func_graph, &idx, &apply_map);
   }
 }
 
diff --git a/mindspore/ccsrc/operator/composite/do_signature.cc b/mindspore/ccsrc/operator/composite/do_signature.cc
index 9591fef10d..7f33d4a3c7 100644
--- a/mindspore/ccsrc/operator/composite/do_signature.cc
+++ b/mindspore/ccsrc/operator/composite/do_signature.cc
@@ -76,44 +76,56 @@ bool CompareTensorScalarType(const TypeId &tensor_type, const size_t &t_type_num
   return true;
 }
 
-void setMaxType(TypeId *max_type_id, TypeId *max_type, size_t *max_type_number, const TypeId type_id, const TypeId type,
+void SetMaxType(TypeId *max_type_id, TypeId *max_type, size_t *max_type_number, const TypeId type_id, const TypeId type,
                 const size_t type_number) {
   *max_type_id = type_id;
   *max_type = type;
   *max_type_number = type_number;
 }
 
-TypeId GetMaxTypeId(const abstract::AbstractBasePtrList &args_spec_list, std::vector<size_t> indexs,
-                    const std::set<size_t> &write_indexs) {
+bool GetTensorOrScalarTypeInfo(AbstractBasePtr arg_value, bool is_write, TypeId *arg_type_id,
+                               TypeId *arg_type = nullptr) {
+  if (arg_value->isa<abstract::AbstractRef>()) {
+    if (is_write) {
+      arg_value = arg_value->cast<abstract::AbstractRefPtr>()->ref_origin();
+    } else {
+      arg_value = arg_value->cast<abstract::AbstractRefPtr>()->ref();
+    }
+  }
+  if (arg_value->isa<abstract::AbstractTensor>()) {
+    auto tensor = arg_value->cast<abstract::AbstractTensorPtr>();
+    auto tensor_type = tensor->element()->BuildType();
+    MS_EXCEPTION_IF_NULL(tensor_type);
+    *arg_type_id = tensor_type->type_id();
+    if (arg_type != nullptr) {
+      *arg_type = kObjectTypeTensorType;
+    }
+    return true;
+  }
+  if (arg_value->isa<abstract::AbstractScalar>()) {
+    auto scalar = arg_value->cast<abstract::AbstractScalarPtr>();
+    auto scalar_type = scalar->BuildType();
+    MS_EXCEPTION_IF_NULL(scalar_type);
+    *arg_type_id = scalar_type->type_id();
+    if (arg_type != nullptr) {
+      *arg_type = kObjectTypeNumber;
+    }
+    return true;
+  }
+  return false;
+}
+
+TypeId GetMaxTypeId(const abstract::AbstractBasePtrList &args_spec_list, std::vector<size_t> indices,
+                    const std::set<size_t> &write_indices) {
   TypeId max_type_id = kTypeUnknown;
   TypeId max_type = kTypeUnknown;
   size_t max_type_number = 0;
   bool has_int8 = false;
-  for (const auto &index : indexs) {
+  for (const auto &index : indices) {
     TypeId arg_type_id = kTypeUnknown;
     TypeId arg_type = kTypeUnknown;
-    AbstractBasePtr arg_value = args_spec_list[index];
-    if (arg_value->isa<abstract::AbstractRef>()) {
-      auto is_write = (write_indexs.find(index) != write_indexs.end());
-      if (is_write) {
-        arg_value = arg_value->cast<abstract::AbstractRefPtr>()->ref_origin();
-      } else {
-        arg_value = arg_value->cast<abstract::AbstractRefPtr>()->ref();
-      }
-    }
-    if (arg_value->isa<abstract::AbstractTensor>()) {
-      auto tensor = arg_value->cast<abstract::AbstractTensorPtr>();
-      auto tensor_type = tensor->element()->BuildType();
-      MS_EXCEPTION_IF_NULL(tensor_type);
-      arg_type_id = tensor_type->type_id();
-      arg_type = kObjectTypeTensorType;
-    } else if (arg_value->isa<abstract::AbstractScalar>()) {
-      auto scalar = arg_value->cast<abstract::AbstractScalarPtr>();
-      auto scalar_type = scalar->BuildType();
-      MS_EXCEPTION_IF_NULL(scalar_type);
-      arg_type_id = scalar_type->type_id();
-      arg_type = kObjectTypeNumber;
-    } else {
+    auto is_write = (write_indices.find(index) != write_indices.end());
+    if (!GetTensorOrScalarTypeInfo(args_spec_list[index], is_write, &arg_type_id, &arg_type)) {
       continue;
     }
     auto it = type_map.find(arg_type_id);
@@ -124,22 +136,22 @@ TypeId GetMaxTypeId(const abstract::AbstractBasePtrList &args_spec_list, std::ve
       has_int8 = true;
     }
     if (max_type_id == kTypeUnknown) {
-      setMaxType(&max_type_id, &max_type, &max_type_number, arg_type_id, arg_type, it->second);
+      SetMaxType(&max_type_id, &max_type, &max_type_number, arg_type_id, arg_type, it->second);
       continue;
     }
 
     if (max_type == arg_type) {
       if (it->second > max_type_number) {
-        setMaxType(&max_type_id, &max_type, &max_type_number, arg_type_id, arg_type, it->second);
+        SetMaxType(&max_type_id, &max_type, &max_type_number, arg_type_id, arg_type, it->second);
       }
     } else {
       if (arg_type == kObjectTypeTensorType) {
         if (CompareTensorScalarType(arg_type_id, it->second, max_type_id, max_type_number)) {
-          setMaxType(&max_type_id, &max_type, &max_type_number, arg_type_id, arg_type, it->second);
+          SetMaxType(&max_type_id, &max_type, &max_type_number, arg_type_id, arg_type, it->second);
         }
       } else {
         if (!CompareTensorScalarType(max_type_id, max_type_number, arg_type_id, it->second)) {
-          setMaxType(&max_type_id, &max_type, &max_type_number, arg_type_id, arg_type, it->second);
+          SetMaxType(&max_type_id, &max_type, &max_type_number, arg_type_id, arg_type, it->second);
         }
       }
     }
@@ -154,28 +166,28 @@ TypeId GetMaxTypeId(const abstract::AbstractBasePtrList &args_spec_list, std::ve
 // Get the largest type of index in the same SignatureEnumDType of arguments.
 std::map<SignatureEnumDType, TypeId> GetMaxDtype(const std::vector<SignatureEnumDType> &dtypes,
                                                  const abstract::AbstractBasePtrList &args_spec_list,
-                                                 const std::set<size_t> &write_indexs) {
+                                                 const std::set<size_t> &write_indices) {
   // record index for signature.dtypes of the same type
   // eg. [T, T1, T, T2, T, T1, T3] -> {{T:(0,2,4)}, {T1:(1,5)}, {T2:(3)}, {T3:(6)}}
-  std::map<SignatureEnumDType, std::vector<size_t>> type_indexs;
+  std::map<SignatureEnumDType, std::vector<size_t>> type_indices;
   for (size_t i = 0; i < dtypes.size(); ++i) {
-    auto it = type_indexs.find(dtypes[i]);
-    if (it == type_indexs.end()) {
-      (void)type_indexs.insert(std::make_pair(dtypes[i], std::vector<size_t>{i}));
+    auto it = type_indices.find(dtypes[i]);
+    if (it == type_indices.end()) {
+      (void)type_indices.insert(std::make_pair(dtypes[i], std::vector<size_t>{i}));
     } else {
       it->second.push_back(i);
     }
   }
   std::map<SignatureEnumDType, TypeId> dst_type;
-  for (auto it = type_indexs.begin(); it != type_indexs.end(); (void)++it) {
+  for (auto it = type_indices.begin(); it != type_indices.end(); (void)++it) {
     auto type = it->first;
-    auto indexs = it->second;
+    auto indices = it->second;
     // If the number of arguments belonging to the same SignatureEnumDType is less than 2, skip it.
-    if (indexs.size() < 2) {
+    if (indices.size() < 2) {
       continue;
     }
     bool has_tensor = false;
-    for (const auto &index : indexs) {
+    for (const auto &index : indices) {
       AbstractBasePtr arg_value = args_spec_list[index];
       if (arg_value->isa<abstract::AbstractRef>()) {
         arg_value = arg_value->cast<abstract::AbstractRefPtr>()->ref();
@@ -189,7 +201,7 @@ std::map<SignatureEnumDType, TypeId> GetMaxDtype(const std::vector<SignatureEnum
       (void)dst_type.insert(std::make_pair(type, kTypeUnknown));
       continue;
     }
-    (void)dst_type.insert(std::make_pair(type, GetMaxTypeId(args_spec_list, indexs, write_indexs)));
+    (void)dst_type.insert(std::make_pair(type, GetMaxTypeId(args_spec_list, indices, write_indices)));
   }
   return dst_type;
 }
@@ -204,7 +216,7 @@ AnfNodePtr DoCast(const AnfNodePtr &param, const TypeId &type_id, const FuncGrap
 
 void DoAutoCast(const std::string &func_name, const std::vector<Signature> &signature,
                 const abstract::AbstractBasePtrList &args_spec_list, const FuncGraphPtr &graph,
-                std::vector<AnfNodePtr> *const op_inputs, const std::set<size_t> &write_indexs) {
+                std::vector<AnfNodePtr> *const op_inputs, const std::set<size_t> &write_indices) {
   std::vector<SignatureEnumDType> dtypes;
   (void)std::transform(signature.begin(), signature.end(), std::back_inserter(dtypes),
                        [](const Signature &sig) { return sig.dtype; });
@@ -213,36 +225,19 @@ void DoAutoCast(const std::string &func_name, const std::vector<Signature> &sign
     return;
   }
   // Stat the index of the arguments with the largest type in the same SignatureEnumDType.
-  std::map<SignatureEnumDType, TypeId> dst_type = GetMaxDtype(dtypes, args_spec_list, write_indexs);
+  std::map<SignatureEnumDType, TypeId> dst_type = GetMaxDtype(dtypes, args_spec_list, write_indices);
   // Identify which arg requires auto cast
   for (size_t i = 0; i < args_spec_list.size(); ++i) {
     auto it = dst_type.find(dtypes[i]);
     if (it == dst_type.end() || it->second == kTypeUnknown) {
       continue;
     }
-    auto rw_it = write_indexs.find(i);
-    auto is_write = (rw_it != write_indexs.end());
+    auto rw_it = write_indices.find(i);
+    auto is_write = (rw_it != write_indices.end());
 
-    AbstractBasePtr arg_value = args_spec_list[i];
-    if (arg_value->isa<abstract::AbstractRef>()) {
-      if (is_write) {
-        arg_value = arg_value->cast<abstract::AbstractRefPtr>()->ref_origin();
-      } else {
-        arg_value = arg_value->cast<abstract::AbstractRefPtr>()->ref();
-      }
-    }
     TypeId arg_type_id = kTypeUnknown;
-    if (arg_value->isa<abstract::AbstractTensor>()) {
-      auto tensor = arg_value->cast<abstract::AbstractTensorPtr>();
-      auto tensor_type = tensor->element()->BuildType();
-      MS_EXCEPTION_IF_NULL(tensor_type);
-      arg_type_id = tensor_type->type_id();
-    } else if (arg_value->isa<abstract::AbstractScalar>()) {
-      auto scalar = arg_value->cast<abstract::AbstractScalarPtr>();
-      auto scalar_type = scalar->BuildType();
-      MS_EXCEPTION_IF_NULL(scalar_type);
-      arg_type_id = scalar_type->type_id();
-    }
+    AbstractBasePtr arg_value = args_spec_list[i];
+    (void)GetTensorOrScalarTypeInfo(arg_value, is_write, &arg_type_id);
     auto it_map = type_map.find(arg_type_id);
     if (it_map == type_map.end()) {
       continue;
@@ -279,7 +274,7 @@ AnfNodePtr BuildNewCNode(const FuncGraphPtr &func_graph, const std::string &func
     }
   }
   std::vector<AnfNodePtr> op_inputs;
-  std::set<size_t> write_indexs;
+  std::set<size_t> write_indices;
   op_inputs.push_back(NewValueNode(function));
   // Assume, the write input of op is always the first input. We check if any write op,
   // and add cast op on other inputs to keep the same type with assigned parameter.
@@ -303,7 +298,7 @@ AnfNodePtr BuildNewCNode(const FuncGraphPtr &func_graph, const std::string &func
         param = func_graph->NewCNode({NewValueNode(prim::kPrimGetRefValue), param});
       } else if (sig == SignatureEnumRW::kRWWrite) {
         param = func_graph->NewCNode({NewValueNode(prim::kPrimGetRefOrigin), param});
-        write_indexs.insert(i);
+        write_indices.insert(i);
       }
       // If sig is SignatureEnumRW::kRWRef, not do anything.
     } else if (sig == SignatureEnumRW::kRWWrite && type->type_id() != kObjectTypeRefKey) {
@@ -313,7 +308,7 @@ AnfNodePtr BuildNewCNode(const FuncGraphPtr &func_graph, const std::string &func
   }
   // process default
   ProcessDefault(func_name, args_spec_list, signature, has_var, &op_inputs);
-  DoAutoCast(func_name, signature, args_spec_list, func_graph, &op_inputs, write_indexs);
+  DoAutoCast(func_name, signature, args_spec_list, func_graph, &op_inputs, write_indices);
   return func_graph->NewCNode(op_inputs);
 }
 }  // namespace
diff --git a/mindspore/ccsrc/pipeline/parse/data_converter.cc b/mindspore/ccsrc/pipeline/parse/data_converter.cc
index 47f7c3d143..4b72c5b6d2 100644
--- a/mindspore/ccsrc/pipeline/parse/data_converter.cc
+++ b/mindspore/ccsrc/pipeline/parse/data_converter.cc
@@ -238,6 +238,31 @@ FuncGraphPtr ConvertToBpropCut(py::object obj) {
   return bprop_graph;
 }
 
+bool ConvertCellObjToFuncGraph(py::object obj, ValuePtr *const data) {
+  FuncGraphPtr func_graph = ConvertToFuncGraph(obj);
+  if (func_graph == nullptr) {
+    MS_LOG(ERROR) << "Parse resolve function error.";
+    return false;
+  }
+  // if the cell object has specified bprop, it has user-defined bprop function parse and record it
+  if (py::hasattr(obj, "bprop")) {
+    FuncGraphPtr bprop_graph = nullptr;
+    bool enable_bprop_debug = py::cast<bool>(py::getattr(obj, "bprop_debug"));
+    if (enable_bprop_debug) {
+      bprop_graph = ConvertToBpropCut(obj);
+    } else {
+      bprop_graph = ConvertToFuncGraph(obj, PYTHON_MOD_GET_BPROP_METHOD);
+    }
+    if (bprop_graph != nullptr) {
+      (void)func_graph->transforms().insert(std::make_pair("bprop", FuncGraphTransform(bprop_graph)));
+      (void)bprop_graph->transforms().insert(std::make_pair("primal", FuncGraphTransform(func_graph)));
+      func_graph->set_flags(FUNC_GRAPH_FLAG_DEFER_INLINE, true);
+    }
+  }
+  *data = func_graph;
+  return true;
+}
+
 bool ConvertOtherObj(py::object obj, ValuePtr *const data) {
   auto obj_type = data_converter::GetObjType(obj);
   MS_LOG(DEBUG) << "Converting the object(" << ((std::string)py::str(obj)) << ") detail type: " << obj_type << " ";
@@ -262,32 +287,12 @@ bool ConvertOtherObj(py::object obj, ValuePtr *const data) {
     // Create the namespace for common class instance
     // When the obj is Cell, default parse the 'construct'
     if (data_converter::IsCellInstance(obj)) {
-      FuncGraphPtr func_graph = ConvertToFuncGraph(obj);
-      if (func_graph == nullptr) {
-        MS_LOG(ERROR) << "Parse resolve function error.";
-        return false;
-      }
-      // if the cell object has specified bprop, it has user-defined bprop function parse and record it
-      if (py::hasattr(obj, "bprop")) {
-        FuncGraphPtr bprop_graph = nullptr;
-        bool enable_bprop_debug = py::cast<bool>(py::getattr(obj, "bprop_debug"));
-        if (enable_bprop_debug) {
-          bprop_graph = ConvertToBpropCut(obj);
-        } else {
-          bprop_graph = ConvertToFuncGraph(obj, PYTHON_MOD_GET_BPROP_METHOD);
-        }
-        if (bprop_graph != nullptr) {
-          (void)func_graph->transforms().insert(std::make_pair("bprop", FuncGraphTransform(bprop_graph)));
-          (void)bprop_graph->transforms().insert(std::make_pair("primal", FuncGraphTransform(func_graph)));
-          func_graph->set_flags(FUNC_GRAPH_FLAG_DEFER_INLINE, true);
-        }
-      }
-      *data = func_graph;
-    } else {
-      py::module mod = python_adapter::GetPyModule(PYTHON_MOD_PARSE_MODULE);
-      py::object namespace_var = python_adapter::CallPyModFn(mod, PYTHON_MOD_GET_MEMBER_NAMESPACE_SYMBOL, obj);
-      *data = std::make_shared<NameSpace>(RESOLVE_NAMESPACE_NAME_CLASS_MEMBER, namespace_var);
+      return ConvertCellObjToFuncGraph(obj, data);
     }
+
+    py::module mod = python_adapter::GetPyModule(PYTHON_MOD_PARSE_MODULE);
+    py::object namespace_var = python_adapter::CallPyModFn(mod, PYTHON_MOD_GET_MEMBER_NAMESPACE_SYMBOL, obj);
+    *data = std::make_shared<NameSpace>(RESOLVE_NAMESPACE_NAME_CLASS_MEMBER, namespace_var);
     return true;
   }
   MS_LOG(ERROR) << "Resolve type is invalid " << ((std::string)py::str(obj));
diff --git a/mindspore/ccsrc/pipeline/pipeline.cc b/mindspore/ccsrc/pipeline/pipeline.cc
index b94340ad7b..7df5c6fea0 100644
--- a/mindspore/ccsrc/pipeline/pipeline.cc
+++ b/mindspore/ccsrc/pipeline/pipeline.cc
@@ -608,7 +608,7 @@ void Pipeline::Run() {
   MS_LOG(INFO) << "End";
 }
 
-void ProcessVmArgInner(const py::tuple &args, const ResourcePtr &res, VectorRef *arg_list) {
+void ProcessVmArgInner(const py::tuple &args, const ResourcePtr &res, VectorRef *const arg_list) {
   std::size_t size = args.size();
 
   for (std::size_t i = 0; i < size; i++) {
diff --git a/mindspore/ccsrc/pipeline/pipeline.h b/mindspore/ccsrc/pipeline/pipeline.h
index c846b04888..633ff78c0b 100644
--- a/mindspore/ccsrc/pipeline/pipeline.h
+++ b/mindspore/ccsrc/pipeline/pipeline.h
@@ -139,7 +139,7 @@ bool InitExecDatasetVm(const std::string &queue_name, int64_t size, int64_t batc
                        const std::vector<TypePtr> &types, const std::vector<std::vector<int64_t>> &shapes,
                        const std::vector<int64_t> &input_indexes, bool need_run);
 
-void ProcessVmArgInner(const py::tuple &args, const ResourcePtr &res, VectorRef *arg_list);
+void ProcessVmArgInner(const py::tuple &args, const ResourcePtr &res, VectorRef *const arg_list);
 
 }  // namespace pipeline
 }  // namespace mindspore
diff --git a/mindspore/ccsrc/pipeline/static_analysis/static_analysis.cc b/mindspore/ccsrc/pipeline/static_analysis/static_analysis.cc
index b7520176ec..0331fc9c07 100644
--- a/mindspore/ccsrc/pipeline/static_analysis/static_analysis.cc
+++ b/mindspore/ccsrc/pipeline/static_analysis/static_analysis.cc
@@ -464,6 +464,85 @@ EvalResultPtr AnalysisEngine::ExecuteEvaluators(const std::vector<EvaluatorPtr>
   return ExecuteMultipleEvaluators(evaluators, out_conf, args_conf_list);
 }
 
+void AnalysisEngine::SetUndeterminedFlag(const EvaluatorPtr &evaluator) {
+  auto fg_eval = evaluator->cast<FuncGraphEvaluatorPtr>();
+  if (fg_eval == nullptr) {
+    return;
+  }
+  auto fg = fg_eval->func_graph();
+  MS_EXCEPTION_IF_NULL(fg);
+  auto undetermined_fgs = fg->recursive_graphs();
+  if (undetermined_fgs) {
+    auto fg_parent = fg->parent();
+    MS_EXCEPTION_IF_NULL(fg_parent);
+    fg_parent->set_flags(kFuncGraphFlagUndetermined, true);
+    MS_LOG(DEBUG) << "Set graph undetermined: " << fg_parent->ToString();
+  }
+}
+
+EvaluatorPtr AnalysisEngine::HandleNestedRecursion(const std::vector<EvaluatorPtr> &evaluators,
+                                                   const EvaluatorPtr &eval, const AbstractBasePtrList &args_spec_list,
+                                                   const EvalTraceRevIter &it, bool *continue_flag) {
+  *continue_flag = false;
+  // Find latest entry function to handle nested recursion.
+  EvaluatorPtr latest_entry = eval;
+  auto latest_entry_iter = eval_trace_.rbegin();
+  for (auto r_it = eval_trace_.rbegin(); *r_it != *it;) {
+    auto it_temp = std::find(evaluators.begin(), evaluators.end(), r_it->first);
+    if (it_temp != evaluators.end()) {
+      latest_entry = *it_temp;
+      latest_entry_iter = r_it;
+      break;
+    }
+    latest_entry_iter = ++r_it;
+  }
+  if (latest_entry != eval) {
+    MS_LOG(DEBUG) << "Continue Evaluator " << eval->ToString();
+    *continue_flag = true;
+    return latest_entry;
+  }
+
+  bool has_undetermined = false;
+  // Check whether sub loop has untraced undetermined evaluator.
+  std::set<std::pair<EvaluatorPtr, AbstractBasePtrList>> undetermined_evals;
+  for (auto r_it = eval_trace_.rbegin(); r_it != latest_entry_iter; r_it++) {
+    undetermined_evals.insert(*r_it);
+  }
+  MS_LOG(DEBUG) << "undetermined_evals size(): " << undetermined_evals.size();
+
+  for (auto u_eval : undetermined_evals) {
+    MS_LOG(DEBUG) << u_eval.first->ToString() << " check undetermined.";
+    if (!undetermined_evals.count(std::make_pair(multi_poss_[u_eval.first], args_spec_list))) {
+      MS_LOG(DEBUG) << u_eval.first->ToString() << " has undetermined.";
+      has_undetermined = true;
+      break;
+    }
+  }
+  if (has_undetermined == false) {
+    MS_LOG(DEBUG) << eval->ToString() << " has no undetermined.";
+    *continue_flag = true;
+    return latest_entry;
+  }
+
+  return latest_entry;
+}
+
+EvalResultPtr AnalysisEngine::ProcessEvalResults(const AbstractBasePtrList &out_specs) {
+  if (out_specs.size() == 0) {
+    MS_LOG(EXCEPTION) << "There is an endless loop for evaluator.";
+  }
+
+  if (out_specs.size() == 1) {
+    MS_EXCEPTION_IF_NULL(out_specs[0]);
+    // If only one result derived, then broaden it to avoid wrong constant propagation.
+    return std::make_shared<EvalResult>(out_specs[0]->Broaden(), std::make_shared<AttrValueMap>());
+  }
+  auto joined_spec = AbstractJoin(out_specs);
+  MS_EXCEPTION_IF_NULL(joined_spec);
+  MS_LOG(DEBUG) << "Multiple evaluators joined: " << joined_spec->ToString();
+  return std::make_shared<EvalResult>(joined_spec, std::make_shared<AttrValueMap>());
+}
+
 EvalResultPtr AnalysisEngine::ExecuteMultipleEvaluators(const std::vector<EvaluatorPtr> &evaluators,
                                                         const AnfNodeConfigPtr &out_conf,
                                                         const ConfigPtrList &args_conf_list) {
@@ -479,18 +558,7 @@ EvalResultPtr AnalysisEngine::ExecuteMultipleEvaluators(const std::vector<Evalua
                          return conf->GetEvaluatedValue()->abstract();
                        });
   for (auto eval : evaluators) {
-    auto fg_eval = eval->cast<FuncGraphEvaluatorPtr>();
-    if (fg_eval) {
-      auto fg = fg_eval->func_graph();
-      MS_EXCEPTION_IF_NULL(fg);
-      auto undetermined_fgs = fg->recursive_graphs();
-      if (undetermined_fgs) {
-        auto fg_parent = fg->parent();
-        MS_EXCEPTION_IF_NULL(fg_parent);
-        fg_parent->set_flags(kFuncGraphFlagUndetermined, true);
-        MS_LOG(DEBUG) << "Set graph undetermined: " << fg_parent->ToString();
-      }
-    }
+    SetUndeterminedFlag(eval);
 
     auto current_inf = std::make_pair(eval, args_spec_list);
     MS_LOG(DEBUG) << "Check Evaluator " << eval->ToString();
@@ -510,40 +578,9 @@ EvalResultPtr AnalysisEngine::ExecuteMultipleEvaluators(const std::vector<Evalua
         multi_poss_.clear();
       }
     } else if (it != eval_trace_.rbegin()) {
-      // Find latest entry function to handle nested recursion.
-      EvaluatorPtr latest_entry = eval;
-      auto latest_entry_iter = eval_trace_.rbegin();
-      for (auto r_it = eval_trace_.rbegin(); *r_it != *it;) {
-        auto it_temp = std::find(evaluators.begin(), evaluators.end(), r_it->first);
-        if (it_temp != evaluators.end()) {
-          latest_entry = *it_temp;
-          latest_entry_iter = r_it;
-          break;
-        }
-        latest_entry_iter = ++r_it;
-      }
-      if (latest_entry != eval) {
-        MS_LOG(DEBUG) << "Continue Evaluator " << eval->ToString();
-        continue;
-      }
-
-      bool has_undetermined = false;
-      // Check whether sub loop has untraced undetermined evaluator.
-      std::set<std::pair<EvaluatorPtr, AbstractBasePtrList>> undetermined_evals;
-      for (auto r_it = eval_trace_.rbegin(); r_it != latest_entry_iter; r_it++) {
-        undetermined_evals.insert(*r_it);
-      }
-      MS_LOG(DEBUG) << "undetermined_evals size(): " << undetermined_evals.size();
-      for (auto u_eval : undetermined_evals) {
-        MS_LOG(DEBUG) << u_eval.first->ToString() << " check undetermined.";
-        if (!undetermined_evals.count(std::make_pair(multi_poss_[u_eval.first], args_spec_list))) {
-          MS_LOG(DEBUG) << u_eval.first->ToString() << " has undetermined.";
-          has_undetermined = true;
-          break;
-        }
-      }
-      if (has_undetermined == false) {
-        MS_LOG(DEBUG) << eval->ToString() << " has no undetermined.";
+      bool continue_flag = false;
+      auto latest_entry = HandleNestedRecursion(evaluators, eval, args_spec_list, it, &continue_flag);
+      if (continue_flag) {
         continue;
       }
 
@@ -558,19 +595,8 @@ EvalResultPtr AnalysisEngine::ExecuteMultipleEvaluators(const std::vector<Evalua
       }
     }
   }
-  if (out_specs.size() == 0) {
-    MS_LOG(EXCEPTION) << "There is an endless loop for evaluator.";
-  }
 
-  if (out_specs.size() == 1) {
-    MS_EXCEPTION_IF_NULL(out_specs[0]);
-    // If only one result derived, then broaden it to avoid wrong constant propagation.
-    return std::make_shared<EvalResult>(out_specs[0]->Broaden(), std::make_shared<AttrValueMap>());
-  }
-  auto joined_spec = AbstractJoin(out_specs);
-  MS_EXCEPTION_IF_NULL(joined_spec);
-  MS_LOG(DEBUG) << "Multiple evaluators joined: " << joined_spec->ToString();
-  return std::make_shared<EvalResult>(joined_spec, std::make_shared<AttrValueMap>());
+  return ProcessEvalResults(out_specs);
 }
 
 EvalResultPtr AnfNodeConfig::GetEvaluatedValue() {
diff --git a/mindspore/ccsrc/pipeline/static_analysis/static_analysis.h b/mindspore/ccsrc/pipeline/static_analysis/static_analysis.h
index 1e7a52fda9..a0b7ee5478 100644
--- a/mindspore/ccsrc/pipeline/static_analysis/static_analysis.h
+++ b/mindspore/ccsrc/pipeline/static_analysis/static_analysis.h
@@ -172,6 +172,8 @@ struct AnalysisResult {
   AnalysisContextPtr context;
 };
 
+using EvalTraceRevIter = std::list<std::pair<EvaluatorPtr, AbstractBasePtrList>>::reverse_iterator;
+
 class AnalysisEngine : public std::enable_shared_from_this<AnalysisEngine> {
  public:
   AnalysisEngine(const PrimEvaluatorMap &prim_evaluator_map, const FuncGraphManagerPtr &func_graph_manager)
@@ -222,6 +224,12 @@ class AnalysisEngine : public std::enable_shared_from_this<AnalysisEngine> {
   std::unordered_map<PrimitivePyPtr, EvaluatorPtr> prim_py_evaluators_;
 
  private:
+  void SetUndeterminedFlag(const EvaluatorPtr &evaluator);
+  EvaluatorPtr HandleNestedRecursion(const std::vector<EvaluatorPtr> &evaluators, const EvaluatorPtr &eval,
+                                     const AbstractBasePtrList &args_spec_list, const EvalTraceRevIter &it,
+                                     bool *continue_flag);
+  EvalResultPtr ProcessEvalResults(const AbstractBasePtrList &out_specs);
+
   const PrimEvaluatorMap &prim_constructors_;
   FuncGraphManagerPtr func_graph_manager_;
   std::unordered_map<AbstractFunctionPtr, EvaluatorPtr> constructors_;