func.return
    }
    ```

    with the following reduction function:

    ```mlir
    func.func private @__reduce_func_1(%arg0: tensor<i64> {tf._user_specified_name = "args_0"},
      %arg1: tensor<32xf32> {tf._user_specified_name = "args_1"}) -> (tensor<i64>)
      attributes {tf._tf_data_function = true, tf.signature.is_stateful} {
        %0 = "tf.JustPretend"(%arg1) : (tensor<32xf32>) -> (tensor<i64>)