File: issue-105439.rs

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rustc 1.88.0%2Bdfsg1-1
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//@ run-pass
//@ compile-flags: -O -Zverify-llvm-ir

#![feature(repr_simd, core_intrinsics)]

#[allow(non_camel_case_types)]
#[derive(Clone, Copy)]
#[repr(simd)]
struct i32x4([i32; 4]);

#[inline(always)]
fn to_array(a: i32x4) -> [i32; 4] {
    a.0
}

fn main() {
    let a = i32x4([1, 2, 3, 4]);
    let b = unsafe { std::intrinsics::simd::simd_add(a, a) };
    assert_eq!(to_array(b), [2, 4, 6, 8]);
}