fn unpack2x16float_32a5cf() {
  var res : vec2<f32> = unpack2x16float(1u);
}

@stage(vertex)
fn vertex_main() -> @builtin(position) vec4<f32> {
  unpack2x16float_32a5cf();
  return vec4<f32>();
}

@stage(fragment)
fn fragment_main() {
  unpack2x16float_32a5cf();
}

@stage(compute) @workgroup_size(1)
fn compute_main() {
  unpack2x16float_32a5cf();
}
