TFE_DeleteContextOptions(opts);

  std::string model_dir = tensorflow::io::JoinPath(
      tensorflow::testing::TensorFlowSrcRoot(),
      "c/experimental/saved_model/internal/testdata/SimpleWhileLoop");

  TF_SavedModel* saved_model =
      TF_LoadSavedModel(model_dir.c_str(), ctx, status);
  ASSERT_EQ(TF_GetCode(status), TF_OK) << TF_Message(status);

  TF_ConcreteFunction* while_fn =