#![feature(
    repr_simd,
    simd_ffi,
    link_llvm_intrinsics,
    platform_intrinsics
)]

#[repr(simd)]
#[derive(Copy, Clone, PartialEq, Debug)]
#[allow(non_camel_case_types)]
struct f32x2(f32, f32);

extern "platform-intrinsic" {
    fn simd_fma<T>(a: T, b: T, c: T) -> T;
}

#[allow(improper_ctypes)]
extern "C" {
    #[link_name = "llvm.cos.v2f32"]
    fn cos_v2f32(x: f32x2) -> f32x2;
    #[link_name = "llvm.sin.v2f32"]
    fn sin_v2f32(x: f32x2) -> f32x2;
}

fn main() {
    let a = f32x2(1.0, 1.0);
    let b = f32x2(0.0, 0.0);
    let c = f32x2(2.0, 2.0);

    unsafe {
        assert_eq!(simd_fma(a, c, b), c);
        assert_eq!(sin_v2f32(b), b);
        assert_eq!(cos_v2f32(b), a);
    }
}