bool CanUseTensorCores(const RuntimeDevices &devices) {
  auto has_tensor_cores = [&](const DeviceNameUtils::ParsedName &device) {
    auto md = devices.GetGpuDeviceMetadata(device);
    return md ? md->getCcMajor() >= 7 : false;
  };
  return llvm::all_of(
      llvm::make_filter_range(devices.device_names(), IsGpuDevice),
      has_tensor_cores);
}

  auto device_meta_1 =
      mlir::dyn_cast<mlir::TF::GpuDeviceMetadata>(devices_attr.get(gpu0));
  ASSERT_NE(device_meta_1, nullptr);
  ASSERT_EQ(device_meta_1.getCcMajor(), 7);
  ASSERT_EQ(device_meta_1.getCcMinor(), 0);

  // If description is empty GPU devices added with an empty metadata.
  auto device_meta_2 = mlir::dyn_cast<mlir::UnitAttr>(devices_attr.get(gpu1));