File: inlining-issue67557-ice.rs

package info (click to toggle)
rustc 1.70.0%2Bdfsg1-9
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 722,120 kB
  • sloc: xml: 147,962; javascript: 10,210; sh: 8,590; python: 8,220; ansic: 5,901; cpp: 4,635; makefile: 4,001; asm: 2,856
file content (26 lines) | stat: -rw-r--r-- 634 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// 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(platform_intrinsics, repr_simd)]

extern "platform-intrinsic" {
    fn simd_shuffle2<T, U>(x: T, y: T, idx: [u32; 2]) -> U;
}

#[repr(simd)]
#[derive(Debug, PartialEq)]
struct Simd2(u8, u8);

fn main() {
    unsafe {
        let _: Simd2 = inline_me();
    }
}

#[inline(always)]
unsafe fn inline_me() -> Simd2 {
    const IDX: [u32; 2] = [0, 3];
    simd_shuffle2(Simd2(10, 11), Simd2(12, 13), IDX)
}