for (int j = 0; j <= i; ++j) {
        TF_DeleteBuffer(values[j]);
      }
      return;
    }
  }
}

void TF_OperationGetAttrTensor(TF_Operation* oper, const char* attr_name,
                               TF_Tensor** value, TF_Status* status) {
  *value = nullptr;
  Tensor t;