src/test/run-pass/simd/simd-upgraded.rs

// run-pass
#![allow(stable_features)]
#![allow(non_camel_case_types)]

// Test that removed LLVM SIMD intrinsics continue
// to work via the "AutoUpgrade" mechanism.

#![feature(cfg_target_feature, repr_simd)]
#![feature(platform_intrinsics, stmt_expr_attributes)]

#[repr(simd)]
#[derive(PartialEq, Debug)]
struct i16x8(i16, i16, i16, i16, i16, i16, i16, i16);

fn main() {
    #[cfg(target_feature = "sse2")] unsafe {
        extern "platform-intrinsic" {
            fn x86_mm_min_epi16(x: i16x8, y: i16x8) -> i16x8;
        }
        assert_eq!(x86_mm_min_epi16(i16x8(0, 1, 2, 3, 4, 5, 6, 7),
                                    i16x8(7, 6, 5, 4, 3, 2, 1, 0)),
                                    i16x8(0, 1, 2, 3, 3, 2, 1, 0));
    };
}