var<private> x_1 : vec3<u32>;

fn main_1() {
  let x_2 : vec3<u32> = x_1;
  return;
}

[[stage(compute), workgroup_size(1, 1, 1)]]
fn main([[builtin(global_invocation_id)]] x_1_param : vec3<u32>) {
  x_1 = x_1_param;
  main_1();
}
