loc("custom-call.6"): error: failed to legalize operation 'stablehlo.uniform_quantize' that was explicitly marked illegal

module @IrToHlo.18 attributes {mhlo.cross_program_prefetches = [], mhlo.is_dynamic = false, mhlo.use_auto_spmd_partitioning = false} {
  func.func @main(%arg0: tensor<10xf32>, %arg1: tensor<10x3x3x3xf32>, %arg2: tensor<1x3x10x10xf32>) -> tensor<1x10x8x8xf32> {
    %0 = stablehlo.constant dense<0.000000e+00> : tensor<1x10x8x8xf32>
    %1 = stablehlo.uniform_quantize %arg2 : (tensor<1x3x10x10xf32>) -> tensor<1x3x10x10x!quant.uniform<i8:f32, 1.000000e+00>>
    %2 = stablehlo.uniform_dequantize %1 : (tensor<1x3x10x10x!quant.uniform<i8:f32, 1.000000e+00>>) -> tensor<1x3x10x10xf32>
    %3 = stablehlo.uniform_quantize %arg1 : (tensor<10x3x3x3xf32>) -> tensor<10x3x3x3x!quant.uniform<i8<-127:127>:f32, 1.000000e+00>>
    %4 = stablehlo.uniform_dequantize %3 : (tensor<10x3x3x3x!quant.uniform<i8<-127:127>:f32, 1.000000e+00>>) -> tensor<10x3x3x3xf32>
    %5 = stablehlo.convolution(%2, %4) dim_numbers = [b, f, 0, 1]x[o, i, 0, 1]->[b, f, 0, 1], window = {stride = [1, 1], pad = [[0, 0], [0, 0]], lhs_dilate = [1, 1], rhs_dilate = [1, 1], reverse = [0, 0]} {batch_group_count = 1 : i64, feature_group_count = 1 : i64, precision_config = [#stablehlo<precision DEFAULT>, #stablehlo<precision DEFAULT>]} : (tensor<1x3x10x10xf32>, tensor<10x3x3x3xf32>) -> tensor<1x10x8x8xf32>
    %6 = stablehlo.broadcast_in_dim %arg0, dims = [1] : (tensor<10xf32>) -> tensor<1x10x8x8xf32>
    %7 = stablehlo.add %5, %6 : tensor<1x10x8x8xf32>
    %8 = stablehlo.maximum %7, %0 : tensor<1x10x8x8xf32>
    %9 = stablehlo.uniform_quantize %8 : (tensor<1x10x8x8xf32>) -> tensor<1x10x8x8x!quant.uniform<i8:f32, 1.000000e+00>>
    %10 = stablehlo.uniform_dequantize %9 : (tensor<1x10x8x8x!quant.uniform<i8:f32, 1.000000e+00>>) -> tensor<1x10x8x8xf32>
    return %10 : tensor<1x10x8x8xf32>
  }
}