#include <metal_stdlib>
using namespace metal;

[[max_total_threads_per_threadgroup(1)]]
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>(a) - as_type<uint3>(b)));
}