#include <metal_stdlib>

using namespace metal;
kernel void f() {
  float3 const a = float3(1.0f, 2.0f, 3.0f);
  float3 const b = float3(4.0f, 5.0f, 6.0f);
  float3 const r = (float3(1.0f, 2.0f, 3.0f) - float3(4.0f, 5.0f, 6.0f));
  return;
}