// Build uniform quantized type for filter.
    Value filter_value = op.getOperand(1);
    stablehlo::ConstantOp filter_constant_op =
        GetFilterConstantOp(filter_value);
    auto filter_value_attr =
        mlir::cast<DenseElementsAttr>(filter_constant_op.getValue());
    if (filter_value_attr.getElementType().isF32()) {