// Returns Status of the Run.
  virtual absl::Status Run();

  // Returns all available hardware backends registered in this module
  // instance.
  const std::vector<const tac::TargetHardware*>& GetAvailableHardwares() const {
    return const_backends_;
  }

  // Registers all dialects in 'registry' with the module.
  // This to allow clients to register extra dialects required.

        SetAnnotation(op, kDevice, device, builder);
        device_is_set = true;
        break;
      }
    }
  } else {
    for (const auto* hardware : module_->GetAvailableHardwares()) {
      if (hardware == nullptr) continue;
      if (hardware->IsOpSupported(op)) {
        SetAnnotation(op, kDevice, GetHardwareName(hardware), builder);
        device_is_set = true;
        break;