static auto* r = new llvm::Regex("compute capability: ([0-9]+)\\.([0-9]+)");

  llvm::SmallVector<llvm::StringRef, 3> cc;
  if (r->match(device.attributes().physical_device_desc(), &cc)) {
    return mlir::TF::GpuDeviceMetadata::get(
        builder->getContext(), std::stoi(cc[1].str()), std::stoi(cc[2].str()));
  }

  return builder->getUnitAttr();
}

// Get devices from an array of string attributes.

  ASSERT_NE(device_meta_0, nullptr);

  // GPU device successfully parsed compute capability from description.
  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);