struct x__atomic_compare_exchange_resultu32 {
  old_value : u32,
  exchanged : bool,
}

var<private> local_invocation_index_1 : u32;

var<workgroup> arg_0 : atomic<u32>;

fn atomicCompareExchangeWeak_83580d() {
  var res : x__atomic_compare_exchange_resultu32 = x__atomic_compare_exchange_resultu32(0u, false);
  let old_value_1 = atomicCompareExchangeWeak(&(arg_0), 1u, 1u).old_value;
  let x_17 : u32 = old_value_1;
  res = x__atomic_compare_exchange_resultu32(x_17, (x_17 == 1u));
  return;
}

fn compute_main_inner(local_invocation_index : u32) {
  atomicStore(&(arg_0), 0u);
  workgroupBarrier();
  atomicCompareExchangeWeak_83580d();
  return;
}

fn compute_main_1() {
  let x_35 : u32 = local_invocation_index_1;
  compute_main_inner(x_35);
  return;
}

@compute @workgroup_size(1i, 1i, 1i)
fn compute_main(@builtin(local_invocation_index) local_invocation_index_1_param : u32) {
  local_invocation_index_1 = local_invocation_index_1_param;
  compute_main_1();
}