void acos_8e2acf() { float4 res = acos(float4(0.0f, 0.0f, 0.0f, 0.0f)); } void vertex_main() { acos_8e2acf(); return; } void fragment_main() { acos_8e2acf(); return; } [numthreads(1, 1, 1)] void compute_main() { acos_8e2acf(); return; }