[numthreads(1, 1, 1)]
void f() {
  const uint3 a = uint3(1u, 2u, 3u);
  const uint3 b = uint3(4u, 5u, 6u);
  const uint3 r = (uint3(1u, 2u, 3u) << uint3(4u, 5u, 6u));
  return;
}