var<private> local_invocation_index_1 : u32;

var<workgroup> arg_0 : atomic<i32>;

fn atomicSub_77883a() {
  var res : i32 = 0i;
  let x_11 : i32 = atomicSub(&(arg_0), 1i);
  res = x_11;
  return;
}

fn compute_main_inner(local_invocation_index : u32) {
  atomicStore(&(arg_0), 0i);
  workgroupBarrier();
  atomicSub_77883a();
  return;
}

fn compute_main_1() {
  let x_31 : u32 = local_invocation_index_1;
  compute_main_inner(x_31);
  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();
}
