#include <metal_stdlib>

using namespace metal;
kernel void f() {
  int3 const a = int3(1, 2, 3);
  int3 const b = int3(4, 5, 6);
  int3 const r = as_type<int3>((as_type<uint3>(int3(a)) - as_type<uint3>(int3(b))));
  return;
}