SKIP: FAILED fn isNormal_863dcd() { var res : vec4 = isNormal(vec4()); } struct tint_symbol { [[builtin(position)]] value : vec4; }; [[stage(vertex)]] fn vertex_main() -> tint_symbol { isNormal_863dcd(); let tint_symbol_1 : tint_symbol = tint_symbol(vec4()); return tint_symbol_1; } [[stage(fragment)]] fn fragment_main() { isNormal_863dcd(); } [[stage(compute)]] fn compute_main() { isNormal_863dcd(); } Failed to generate: error: is_normal not supported in HLSL backend yet