src/test/mir-opt/storage_ranges.rs

   1 // Copyright 2016 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
  13 fn main() {
  14     let a = 0;
  15     {
  16         let b = &Some(a);
  17     }
  18     let c = 1;
  19 }
  20
  21 // END RUST SOURCE
  22 // START rustc.node4.TypeckMir.before.mir
  23 //     bb0: {
  24 //         StorageLive(_1);
  25 //         _1 = const 0i32;
  26 //         StorageLive(_3);
  27 //         StorageLive(_4);
  28 //         StorageLive(_5);
  29 //         _5 = _1;
  30 //         _4 = std::option::Option<i32>::Some(_5,);
  31 //         StorageDead(_5);
  32 //         _3 = &_4;
  33 //         _2 = ();
  34 //         StorageDead(_3);
  35 //         StorageDead(_4);
  36 //         StorageLive(_6);
  37 //         _6 = const 1i32;
  38 //         _0 = ();
  39 //         StorageDead(_6);
  40 //         StorageDead(_1);
  41 //      }
  42 // END rustc.node4.TypeckMir.before.mir