!14832 Add abstract for maketuple

From: @youui
Reviewed-by: @liangchenghui,@zhoufeng54
Signed-off-by: @liangchenghui

mindspore/ccsrc/backend/session/session_basic.cc

@@ -892,8 +892,8 @@ std::vector<AnfNodePtr> SessionBasic::CreateCallSwitchInputs(const CNodePtr &cno
   return cnode_inputs;
 }
 
-void SessionBasic::CreateCallNodeReturnFunction(const CNodePtr &cnode, KernelGraph *graph,
-                                                const std::vector<AnfNodePtr> &real_inputs) {
+void SessionBasic::ProcessNodeRetFunc(const CNodePtr &cnode, KernelGraph *graph,
+                                      const std::vector<AnfNodePtr> &real_inputs) {
   MS_EXCEPTION_IF_NULL(cnode);
   // func1 =switch(branch1, branch2)
   // func2 = func1(param1)
@@ -997,7 +997,7 @@ std::vector<AnfNodePtr> SessionBasic::CreateCallSwitchLayerInputs(const CNodePtr
     MS_EXCEPTION_IF_NULL(ret);
     auto return_input = ret->input(kFirstDataInputIndex);
     if (AnfAlgo::CheckPrimitiveType(return_input, prim::kPrimPartial) || return_input->isa<ValueNode>()) {
-      CreateCallNodeReturnFunction(cnode, partial_kernel_graph.get(), real_inputs);
+      ProcessNodeRetFunc(cnode, partial_kernel_graph.get(), real_inputs);
     }
     // partial node add input args
     new_partial_inputs.insert(new_partial_inputs.end(), real_inputs.begin(), real_inputs.end());
@@ -1006,7 +1006,11 @@ std::vector<AnfNodePtr> SessionBasic::CreateCallSwitchLayerInputs(const CNodePtr
     new_make_tuple_inputs.emplace_back(new_partial);
   }
   auto new_make_tuple = graph->NewCNode(new_make_tuple_inputs);
-  new_make_tuple->set_abstract(make_tuple_node->abstract());
+  auto abstract = make_tuple_node->abstract();
+  if (abstract == nullptr) {
+    abstract = std::make_shared<abstract::AbstractTuple>(AbstractBasePtrList());
+  }
+  new_make_tuple->set_abstract(abstract);
   switch_layer_inputs.emplace_back(new_make_tuple);
   auto new_switch_layer = graph->NewCNode(switch_layer_inputs);
   cnode_inputs.emplace_back(new_switch_layer);

mindspore/ccsrc/backend/session/session_basic.h

@@ -155,8 +155,7 @@ class SessionBasic : public std::enable_shared_from_this<SessionBasic> {
   void GetNewCNodeInputs(const CNodePtr &cnode, KernelGraph *graph, std::vector<AnfNodePtr> *cnode_inputs,
                          std::unordered_map<AnfNodePtr, AnfNodePtr> *other_graph_cnode);
   std::vector<AnfNodePtr> CreateCallSwitchLayerInputs(const CNodePtr &cnode, KernelGraph *graph);
-  void CreateCallNodeReturnFunction(const CNodePtr &cnode, KernelGraph *graph,
-                                    const std::vector<AnfNodePtr> &real_inputs);
+  void ProcessNodeRetFunc(const CNodePtr &cnode, KernelGraph *graph, const std::vector<AnfNodePtr> &real_inputs);
 
  protected:
   friend class Executor;