// - `tags` must include the set of tags used to identify one MetaGraphDef in
//    the SavedModel.
// - `graph` must be a graph newly allocated with TF_NewGraph().
//
// If successful, populates `graph` with the contents of the Graph and
// `meta_graph_def` with the MetaGraphDef of the loaded model.
TF_CAPI_EXPORT extern TF_Session* TF_LoadSessionFromSavedModel(

  TF_Session* session = TF_LoadSessionFromSavedModel(
      opt, run_options, saved_model_dir.c_str(), tags, 1, graph, metagraph, s);
  TF_DeleteBuffer(run_options);
  TF_DeleteSessionOptions(opt);
  tensorflow::MetaGraphDef metagraph_def;
  metagraph_def.ParseFromArray(metagraph->data, metagraph->length);
  TF_DeleteBuffer(metagraph);

  EXPECT_EQ(TF_OK, TF_GetCode(s)) << TF_Message(s);
  CSession csession(session);