SKIP: FAILED fn select_c31f9e() { var res : bool = select(bool(), bool(), bool()); } [[stage(vertex)]] fn vertex_main() { select_c31f9e(); } [[stage(fragment)]] fn fragment_main() { select_c31f9e(); } [[stage(compute)]] fn compute_main() { select_c31f9e(); } Failed to generate: error: select not supported in HLSL backend yet