1 // Copyright 2017 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.
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.
11 // ignore-tidy-linelength
12 // compile-flags: -Z verbose -Z mir-emit-validate=1 -Z span_free_formats
14 // Make sure unsafe fns and fns with an unsafe block only get restricted validation.
16 unsafe fn write_42(x: *mut i32) -> bool {
17 let test_closure = |x: *mut i32| *x = 23;
23 fn test(x: &mut i32) {
24 unsafe { write_42(x) };
30 let test_closure = unsafe { |x: &mut i32| write_42(x) };
34 // FIXME: Also test code generated inside the closure, make sure it only does restricted validation
35 // because it is entirely inside an unsafe block. Unfortunately, the interesting lines of code also
36 // contain name of the source file, so we cannot test for it.
39 // START rustc.node4.EraseRegions.after.mir
40 // fn write_42(_1: *mut i32) -> bool {
42 // Validate(Acquire, [_1: *mut i32]);
43 // Validate(Release, [_1: *mut i32]);
47 // END rustc.node4.EraseRegions.after.mir
48 // START rustc.node22.EraseRegions.after.mir
49 // fn write_42::{{closure}}(_1: &ReErased [closure@NodeId(22)], _2: *mut i32) -> () {
51 // Validate(Acquire, [_1: &ReFree(DefId { krate: CrateNum(0), node: DefIndex(1:9) => validate_4/8cd878b::write_42[0]::{{closure}}[0] }, "BrEnv") [closure@NodeId(22)], _2: *mut i32]);
52 // Validate(Release, [_1: &ReFree(DefId { krate: CrateNum(0), node: DefIndex(1:9) => validate_4/8cd878b::write_42[0]::{{closure}}[0] }, "BrEnv") [closure@NodeId(22)], _2: *mut i32]);
55 // (*_3) = const 23i32;
60 // END rustc.node22.EraseRegions.after.mir
61 // START rustc.node31.EraseRegions.after.mir
62 // fn test(_1: &ReErased mut i32) -> () {
64 // Validate(Acquire, [_1: &ReFree(DefId { krate: CrateNum(0), node: DefIndex(0:4) => validate_4/8cd878b::test[0] }, BrAnon(0)) mut i32]);
65 // Validate(Release, [_1: &ReFree(DefId { krate: CrateNum(0), node: DefIndex(0:4) => validate_4/8cd878b::test[0] }, BrAnon(0)) mut i32]);
66 // _3 = const write_42(_4) -> bb1;
69 // Validate(Acquire, [_3: bool]);
70 // Validate(Release, [_3: bool]);
73 // END rustc.node31.EraseRegions.after.mir
74 // START rustc.node60.EraseRegions.after.mir
75 // fn main::{{closure}}(_1: &ReErased [closure@NodeId(60)], _2: &ReErased mut i32) -> bool {
77 // Validate(Acquire, [_1: &ReFree(DefId { krate: CrateNum(0), node: DefIndex(1:10) => validate_4/8cd878b::main[0]::{{closure}}[0] }, "BrEnv") [closure@NodeId(60)], _2: &ReFree(DefId { krate: CrateNum(0), node: DefIndex(1:10) => validate_4/8cd878b::main[0]::{{closure}}[0] }, BrAnon(1)) mut i32]);
78 // Validate(Release, [_1: &ReFree(DefId { krate: CrateNum(0), node: DefIndex(1:10) => validate_4/8cd878b::main[0]::{{closure}}[0] }, "BrEnv") [closure@NodeId(60)], _2: &ReFree(DefId { krate: CrateNum(0), node: DefIndex(1:10) => validate_4/8cd878b::main[0]::{{closure}}[0] }, BrAnon(1)) mut i32]);
80 // _0 = const write_42(_4) -> bb1;
83 // END rustc.node60.EraseRegions.after.mir