#include <metal_stdlib>
using namespace metal;

int f() {
  int i = 0;
  {
    uint2 tint_loop_idx = uint2(4294967295u);
    while(true) {
      if (all((tint_loop_idx == uint2(0u)))) {
        break;
      }
      i = as_type<int>((as_type<uint>(i) + as_type<uint>(1)));
      if ((i > 4)) {
        return i;
      }
      {
        uint const tint_low_inc = (tint_loop_idx.x - 1u);
        tint_loop_idx.x = tint_low_inc;
        uint const tint_carry = uint((tint_low_inc == 4294967295u));
        tint_loop_idx.y = (tint_loop_idx.y - tint_carry);
      }
      continue;
    }
  }
  /* unreachable */
  return 0;
}