#include <metal_stdlib>

using namespace metal;
struct tint_array_wrapper {
  int arr[3];
};

void tint_symbol_inner(uint local_invocation_index, threadgroup tint_array_wrapper* const tint_symbol_1) {
  for(uint idx = local_invocation_index; (idx < 3u); idx = (idx + 1u)) {
    uint const i = idx;
    (*(tint_symbol_1)).arr[i] = int();
  }
  threadgroup_barrier(mem_flags::mem_threadgroup);
  (void) *(tint_symbol_1);
}

kernel void tint_symbol(uint local_invocation_index [[thread_index_in_threadgroup]]) {
  threadgroup tint_array_wrapper tint_symbol_2;
  tint_symbol_inner(local_invocation_index, &(tint_symbol_2));
  return;
}

