#include <metal_stdlib>

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

void compute_main_inner(uint local_invocation_index, threadgroup S* const tint_symbol) {
  {
    (*(tint_symbol)).x = 0;
    atomic_store_explicit(&((*(tint_symbol)).a), 0u, memory_order_relaxed);
    (*(tint_symbol)).y = 0u;
  }
  threadgroup_barrier(mem_flags::mem_threadgroup);
  atomic_store_explicit(&((*(tint_symbol)).a), 1u, memory_order_relaxed);
}

kernel void compute_main(uint local_invocation_index [[thread_index_in_threadgroup]]) {
  threadgroup S tint_symbol_1;
  compute_main_inner(local_invocation_index, &(tint_symbol_1));
  return;
}

