#include <metal_stdlib>

using namespace metal;
void main_1(thread int* const tint_symbol_1) {
  int const x_9 = *(tint_symbol_1);
  int const x_11 = as_type<int>((as_type<uint>(x_9) + as_type<uint>(1)));
  return;
}

kernel void tint_symbol() {
  thread int tint_symbol_2 = 0;
  main_1(&(tint_symbol_2));
  return;
}

