const std::unordered_set<std::string> tags_;

  const absl::flat_hash_map<std::string, tensorflow::SignatureDef>
      signature_def_map_;

  // Signature keys to identify the functions to load & quantize.
  const std::vector<std::string> signature_keys_;
};

// Runs passes to prepare the calibration model.
absl::Status RunCalibrationPasses(mlir::ModuleOp module_op, MLIRContext& ctx,

  pm.addPass(TFL::CreatePostQuantizeRemoveQDQPass());
  if (failed(pm.run(module.get()))) {
    const std::string err(statusHandler.ConsumeStatus().message());
    LOG(ERROR) << "Failed to quantize: " << err;
    return kTfLiteError;
  }

  // Export the results.
  tflite::FlatbufferExportOptions options;
  options.toco_flags.set_force_select_tf_ops(false);

  if (dot_general_op == nullptr) return std::nullopt;
  const int64_t filter_rank =
      mlir::dyn_cast<ShapedType>(dot_general_op.getOperand(1).getType())
          .getRank();

  // To quantize rhs per-channel, we currently only consider the case where
  // `stablehlo.dot_general` is legalizable to `tfl.fully_connected`.
  const bool is_per_axis_quantizable =
      IsDotGeneralFullyConnected(dot_general_op).value();

      mlir::TFL::PassConfig(quant_specs), pm);

  if (failed(pm.run(module.get()))) {
    absl::string_view err = statusHandler.ConsumeStatus().message();
    LOG(ERROR) << "Failed to quantize: " << err;
    return kTfLiteError;
  }

  // Export the results to the builder
  std::string result;
  tflite::FlatbufferExportOptions options;
  options.toco_flags.set_force_select_tf_ops(false);

// RUN: stablehlo-quant-opt %s -split-input-file -verify-diagnostics \
// RUN:     -stablehlo-quantize-composite-functions | FileCheck --check-prefix=CHECK %s

// Test that per-tensor weight-only quantized dot_general op is produced when
// empty `weight_only_ptq` is provided.

module attributes {tf_saved_model.semantics} {
  func.func private @quantize_dot_general_per_tensor(%arg0: tensor<1x2xf32>) -> tensor<1x3xf32> attributes {tf._original_func_name = "main_0"} {