as = mkldnn_prepacked::conv2d_prepack(
            %weight, %bias, %stride, %padding, %dilation, %groups,
            %input_size, %dummy_attr)
        %conv2d_res = mkldnn_prepacked::conv2d_run(%input, %packed_weight_bias)
        %res = aten::${op}(%conv2d_res)
        return (%res)