#include <metal_stdlib>

using namespace metal;
struct S {
  int x;
  atomic_uint a;
  atomic_uint b;
};

void tint_zero_workgroup_memory(uint local_idx, threadgroup S* const tint_symbol) {
  if ((local_idx < 1u)) {
    (*(tint_symbol)).x = 0;
    atomic_store_explicit(&((*(tint_symbol)).a), 0u, memory_order_relaxed);
    atomic_store_explicit(&((*(tint_symbol)).b), 0u, memory_order_relaxed);
  }
  threadgroup_barrier(mem_flags::mem_threadgroup);
}

void compute_main_inner(uint local_invocation_index, threadgroup S* const tint_symbol_1) {
  tint_zero_workgroup_memory(local_invocation_index, tint_symbol_1);
  atomic_store_explicit(&((*(tint_symbol_1)).a), 1u, memory_order_relaxed);
  atomic_store_explicit(&((*(tint_symbol_1)).b), 2u, memory_order_relaxed);
}

kernel void compute_main(uint local_invocation_index [[thread_index_in_threadgroup]]) {
  threadgroup S tint_symbol_2;
  compute_main_inner(local_invocation_index, &(tint_symbol_2));
  return;
}

