%1:1 = tf_executor.island wraps "tf.SendTPUEmbeddingGradients"(%0) {N = 1 : i64, NN = 0 : i64, config = "test_config_send_embedding", operandSegmentSizes = array<i32: 1, 0>} : (tensor<512x256xf32>) -> () loc("SendTPUEmbedding")
    tf_executor.fetch
  }
  func.return
}

// CHECK:       name: "RecvTPUEmbedding"
// CHECK-NEXT:  op: "RecvTPUEmbeddingActivations"