#include <metal_stdlib>

using namespace metal;
struct tint_private_vars_struct {
  int I;
};

void main_1(thread tint_private_vars_struct* const tint_private_vars) {
  int const x_11 = as_type<int>((as_type<uint>((*(tint_private_vars)).I) + as_type<uint>(1)));
  return;
}

kernel void tint_symbol() {
  thread tint_private_vars_struct tint_private_vars = {};
  tint_private_vars.I = 0;
  main_1(&(tint_private_vars));
  return;
}

