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1 | // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
62682a34 | 11 | #![feature(core_intrinsics)] |
c34b1796 AL |
12 | #![allow(warnings)] |
13 | ||
14 | use std::intrinsics; | |
15 | ||
16 | #[derive(Copy, Clone)] | |
17 | struct Wrap(i64); | |
18 | ||
19 | // These volatile and atomic intrinsics used to cause an ICE | |
20 | ||
21 | unsafe fn test_bool(p: &mut bool, v: bool) { | |
22 | intrinsics::volatile_load(p); | |
23 | intrinsics::volatile_store(p, v); | |
24 | intrinsics::atomic_load(p); | |
25 | intrinsics::atomic_cxchg(p, v, v); | |
26 | intrinsics::atomic_store(p, v); | |
27 | intrinsics::atomic_xchg(p, v); | |
28 | } | |
29 | ||
30 | unsafe fn test_immediate_fca(p: &mut Wrap, v: Wrap) { | |
31 | intrinsics::volatile_load(p); | |
32 | intrinsics::volatile_store(p, v); | |
33 | intrinsics::atomic_load(p); | |
34 | intrinsics::atomic_cxchg(p, v, v); | |
35 | intrinsics::atomic_store(p, v); | |
36 | intrinsics::atomic_xchg(p, v); | |
37 | } | |
38 | ||
39 | fn main() {} |