#include #include using namespace metal; struct Foo { int a; }; struct main0_out { float4 FragColor [[color(0)]]; }; struct main0_in { float4 vColor [[user(locn0)]]; }; fragment main0_out main0(main0_in in [[stage_in]]) { main0_out out = {}; int uninit_function_int = {}; int uninit_int = {}; int4 uninit_vector = {}; float4x4 uninit_matrix = {}; Foo uninit_foo = {}; if (in.vColor.x > 10.0) { uninit_function_int = 10; } else { uninit_function_int = 20; } out.FragColor = in.vColor; return out; }