#include <metal_stdlib>

using namespace metal;
uint3 tint_div(uint lhs, uint3 rhs) {
  uint3 const l = uint3(lhs);
  return (l / select(rhs, uint3(1u), (rhs == uint3(0u))));
}

kernel void f() {
  uint const a = 4u;
  uint3 const b = uint3(0u, 2u, 0u);
  uint3 const r = tint_div(a, b);
  return;
}

