projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| 8bb4bdeb XL |
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. | |
| 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 | ||
| 11 | // this tests move up progration, which is not yet implemented | |
| 12 | // Copyright 2017 The Rust Project Developers. See the COPYRIGHT | |
| 13 | // file at the top-level directory of this distribution and at | |
| 14 | // http://rust-lang.org/COPYRIGHT. | |
| 15 | // | |
| 16 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
| 17 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
| 18 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
| 19 | // option. This file may not be copied, modified, or distributed | |
| 20 | // except according to those terms. | |
| 21 | ||
| 22 | // check that codegen of assignment expressions is sane. Assignments | |
| 23 | // tend to be absent in simple code, so subtle breakage in them can | |
| 24 | // leave a quite hard-to-find trail of destruction. | |
| 25 | ||
| 26 | fn main() { | |
| 27 | let nodrop_x = false; | |
| 28 | let nodrop_y; | |
| 29 | ||
| 30 | nodrop_y = nodrop_x; | |
| 31 | ||
| 32 | let drop_x : Option<Box<u32>> = None; | |
| 33 | let drop_y; | |
| 34 | ||
| 35 | drop_y = drop_x; | |
| 36 | } | |
| 37 | ||
| 38 | // END RUST SOURCE | |
| 7cac9316 | 39 | // START rustc.node4.SimplifyCfg-initial.after.mir |
| 8bb4bdeb XL |
40 | // bb0: { |
| 41 | // StorageLive(_1); | |
| 42 | // _1 = const false; | |
| 43 | // StorageLive(_2); | |
| 44 | // StorageLive(_3); | |
| 45 | // _3 = _1; | |
| 46 | // _2 = _3; | |
| 47 | // StorageDead(_3); | |
| 48 | // StorageLive(_4); | |
| 49 | // _4 = std::option::Option<std::boxed::Box<u32>>::None; | |
| 50 | // StorageLive(_6); | |
| 51 | // StorageLive(_7); | |
| 52 | // _7 = _4; | |
| 53 | // replace(_6 <- _7) -> [return: bb5, unwind: bb4]; | |
| 54 | // } | |
| 55 | // bb1: { | |
| 56 | // resume; | |
| 57 | // } | |
| 58 | // bb2: { | |
| 59 | // drop(_4) -> bb1; | |
| 60 | // } | |
| 61 | // bb3: { | |
| 62 | // drop(_6) -> bb2; | |
| 63 | // } | |
| 64 | // bb4: { | |
| 65 | // drop(_7) -> bb3; | |
| 66 | // } | |
| 67 | // bb5: { | |
| 68 | // drop(_7) -> [return: bb6, unwind: bb3]; | |
| 69 | // } | |
| 70 | // bb6: { | |
| 71 | // StorageDead(_7); | |
| 72 | // _0 = (); | |
| 73 | // drop(_6) -> [return: bb7, unwind: bb2]; | |
| 74 | // } | |
| 75 | // bb7: { | |
| 76 | // StorageDead(_6); | |
| 77 | // drop(_4) -> bb8; | |
| 78 | // } | |
| 79 | // bb8: { | |
| 80 | // StorageDead(_4); | |
| 81 | // StorageDead(_2); | |
| 82 | // StorageDead(_1); | |
| 83 | // return; | |
| 84 | // } | |
| 7cac9316 | 85 | // END rustc.node4.SimplifyCfg-initial.after.mir |