Fix GetOpInputTensors bug

mindspore/ccsrc/backend/session/ascend_session.cc

@@ -268,10 +268,10 @@ void GetOpInputTensors(const CNodePtr &cnode, const std::map<KernelWithIndex, te
     MS_EXCEPTION_IF_NULL(real_input);
     tensor::TensorPtr tensor = nullptr;
     if (real_input->isa<ValueNode>()) {
-      auto value_node = input->cast<ValueNodePtr>();
+      auto value_node = real_input->cast<ValueNodePtr>();
       MS_EXCEPTION_IF_NULL(value_node);
       auto value = GetValueNode(value_node);
-      MS_EXCEPTION_IF_NULL(value_node);
+      MS_EXCEPTION_IF_NULL(value);
       if (value->isa<ValueTuple>()) {
         auto value_tuple = value->cast<ValueTuplePtr>();
         MS_EXCEPTION_IF_NULL(value_tuple);
@@ -881,7 +881,7 @@ void AscendSession::RunOpImpl(const GraphInfo &graph_info, OpRunInfo *op_run_inf
 
 void AscendSession::RunOpsInGraphImpl(const GraphId &graph_id, const std::vector<tensor::TensorPtr> &inputs,
                                       VectorRef *outputs) {
-  MS_LOG(INFO) << "Start";
+  MS_LOG(INFO) << "Start!";
   auto kernel_graph = GetGraph(graph_id);
   std::map<AnfNodePtr, size_t> parameter_index;
   GetParameterIndex(kernel_graph.get(), inputs, &parameter_index);
@@ -910,6 +910,7 @@ void AscendSession::RunOpsInGraphImpl(const GraphId &graph_id, const std::vector
     HandleOpInputs(input_tensor_info.input_kernel, &cnode_ref, &op_output_map);
     HandleOpOutputs(kernel, op_outputs, output_indexes, cnode_ref, &op_output_map, outputs);
   }
+  MS_LOG(INFO) << "Finish!";
 }
 
 // compile graph steps