func.return %0 : tensor<256x30x30x16xf32>
}

// -----

func.func @testConv2D(%arg0: tensor<256x32x32x3xf32>, %arg1: tensor<3x3x3x16xf32>) -> tensor<256x30x30x16xf32> {
  // expected-error @+1 {{requires strides attribute length to be 4}}

  // CHECK-LABEL: func @conv2d_unranked_input
  func.func @conv2d_unranked_input(%arg0: tensor<*xf32>, %arg1: tensor<3x3x3x16xf32>) -> tensor<*xf32> {
    // CHECK: "tf.Conv2D"
    // CHECK-SAME: -> tensor<?x?x?x16xf32>
    %0 = "tf.Conv2D"(%arg0, %arg1) {padding = "SAME", strides = [1, 1, 1, 1]} : (tensor<*xf32>, tensor<3x3x3x16xf32>) -> tensor<*xf32>
    func.return %0 : tensor<*xf32>
  }