#include <metal_stdlib>

using namespace metal;
int func(int value, int* pointer) {
  int const x_9 = *(pointer);
  return (value + x_9);
}

kernel void tint_symbol() {
  int i = 0;
  i = 123;
  int const x_19 = i;
  int const x_18 = func(x_19, &(i));
  return;
}

