| //@ run-pass | |
| //@ compile-flags: -O -Zverify-llvm-ir | |
| #![feature(repr_simd)] | |
| #![feature(intrinsics)] | |
| #[allow(non_camel_case_types)] | |
| #[derive(Clone, Copy)] | |
| #[repr(simd)] | |
| struct i32x4([i32; 4]); | |
| extern "rust-intrinsic" { | |
| pub(crate) fn simd_add<T>(x: T, y: T) -> T; | |
| } | |
| #[inline(always)] | |
| fn to_array(a: i32x4) -> [i32; 4] { | |
| a.0 | |
| } | |
| fn main() { | |
| let a = i32x4([1, 2, 3, 4]); | |
| let b = unsafe { simd_add(a, a) }; | |
| assert_eq!(to_array(b), [2, 4, 6, 8]); | |
| } |