rust/tests/ui/simd/intrinsic/inlining-issue67557-ice.rs
Folkert de Vries d8a067b931
remove most simd_ intrinsic declaration in tests
instead, we can just import the intrinsics from core
2025-02-27 12:22:59 +01:00

27 lines
678 B
Rust

// This used to cause an ICE for an internal index out of range due to simd_shuffle_indices being
// passed the wrong Instance, causing issues with inlining. See #67557.
//
//@ run-pass
//@ compile-flags: -Zmir-opt-level=4
#![feature(core_intrinsics, repr_simd)]
use std::intrinsics::simd::simd_shuffle;
#[repr(simd)]
#[derive(Debug, PartialEq)]
struct Simd2([u8; 2]);
#[repr(simd)]
struct SimdShuffleIdx<const LEN: usize>([u32; LEN]);
fn main() {
unsafe {
let _: Simd2 = inline_me();
}
}
#[inline(always)]
unsafe fn inline_me() -> Simd2 {
const IDX: SimdShuffleIdx<2> = SimdShuffleIdx([0, 3]);
simd_shuffle(Simd2([10, 11]), Simd2([12, 13]), IDX)
}