using ParsedName = ::tensorflow::DeviceNameUtils::ParsedName;

bool IsGpuDevice(const DeviceNameUtils::ParsedName &device) {
  return device.type == ::tensorflow::DEVICE_GPU;
}

}  // namespace

// Returns true if at least one GPU device is available at runtime.
bool CanUseGpuDevice(const RuntimeDevices &devices) {
  return llvm::any_of(devices.device_names(), IsGpuDevice);
}

    return std::nullopt;
  }
  if (!parsed_name.has_type) {
    return std::nullopt;
  }
  return parsed_name.type;
}

bool IsGpuDevice(mlir::Operation *op) {
  std::optional<std::string> device = GetDevice(op);
  if (!device) return false;
  return *device == kDeviceGpu;
}

// Performs a fusion of the following pattern(s), if possible: