#include <metal_stdlib>

using namespace metal;

template <typename A, typename T>
vec<T, 2> atomicCompareExchangeWeak_1(threadgroup A* atomic, T compare, T value) {
  T prev_value = compare;
  bool matched = atomic_compare_exchange_weak_explicit(atomic, &prev_value, value, memory_order_relaxed, memory_order_relaxed);
  return {prev_value, matched};
}

void atomicCompareExchangeWeak_b2ab2c(threadgroup atomic_uint* const tint_symbol) {
  uint2 res = atomicCompareExchangeWeak_1(tint_symbol, 1u, 1u);
}

void compute_main_inner(uint local_invocation_index, threadgroup atomic_uint* const tint_symbol_1) {
  {
    atomic_store_explicit(tint_symbol_1, uint(), memory_order_relaxed);
  }
  threadgroup_barrier(mem_flags::mem_threadgroup);
  atomicCompareExchangeWeak_b2ab2c(tint_symbol_1);
}

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