var x_2 : u32; var position : vec4; fn main_1() { return; } struct main_out { [[builtin(position)]] position_1 : vec4; }; [[stage(vertex)]] fn main([[builtin(vertex_index)]] x_2_param : u32) -> main_out { x_2 = x_2_param; main_1(); return main_out(position); }