src/test/mir-opt/validate_2.rs

   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 // ignore-tidy-linelength
  12 // compile-flags: -Z verbose -Z mir-emit-validate=1
  13
  14 fn main() {
  15     let _x : Box<[i32]> = Box::new([1, 2, 3]);
  16 }
  17
  18 // END RUST SOURCE
  19 // START rustc.main.EraseRegions.after.mir
  20 // fn main() -> () {
  21 //     ...
  22 //     bb1: {
  23 //         Validate(Acquire, [_2: std::boxed::Box<[i32; 3]>]);
  24 //         Validate(Release, [_2: std::boxed::Box<[i32; 3]>]);
  25 //         _1 = _2 as std::boxed::Box<[i32]> (Unsize);
  26 //         Validate(Acquire, [_1: std::boxed::Box<[i32]>]);
  27 //         StorageDead(_2);
  28 //         StorageDead(_3);
  29 //         _0 = ();
  30 //         Validate(Release, [_1: std::boxed::Box<[i32]>]);
  31 //         drop(_1) -> bb2;
  32 //     }
  33 //     ...
  34 // }
  35 // END rustc.main.EraseRegions.after.mir