#include <metal_stdlib>
using namespace metal;

int f(int a, int b, int c) {
  return as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(a) * as_type<uint>(b)))) + as_type<uint>(c)));
}

kernel void tint_symbol() {
  f(1, 2, 3);
}
