// For XLA case, weight quantization will be applied for the remaining f32
    // weights even in SRQ.
    pm.addNestedPass<func::FuncOp>(
        CreatePrepareQuantizePass(quant_specs, quantization_method_));
    pm.addNestedPass<func::FuncOp>(
        CreateQuantizePass(quant_specs, target_opset_));
    pm.addNestedPass<func::FuncOp>(CreatePostQuantizePass());
  } else {
    // Apply weight quantization.