src/test/mir-opt/address-of/rustc.borrow_and_cast.SimplifyCfg-initial.after.mir

   1 // MIR for `borrow_and_cast` after SimplifyCfg-initial
   2
   3 fn borrow_and_cast(_1: i32) -> () {
   4     debug x => _1;                       // in scope 0 at $DIR/address-of.rs:41:20: 41:25
   5     let mut _0: ();                      // return place in scope 0 at $DIR/address-of.rs:41:32: 41:32
   6     let _2: *const i32;                  // in scope 0 at $DIR/address-of.rs:42:9: 42:10
   7     let _3: &i32;                        // in scope 0 at $DIR/address-of.rs:42:13: 42:15
   8     let _5: &mut i32;                    // in scope 0 at $DIR/address-of.rs:43:13: 43:19
   9     let mut _7: &mut i32;                // in scope 0 at $DIR/address-of.rs:44:13: 44:19
  10     scope 1 {
  11         debug p => _2;                   // in scope 1 at $DIR/address-of.rs:42:9: 42:10
  12         let _4: *const i32;              // in scope 1 at $DIR/address-of.rs:43:9: 43:10
  13         scope 2 {
  14             debug q => _4;               // in scope 2 at $DIR/address-of.rs:43:9: 43:10
  15             let _6: *mut i32;            // in scope 2 at $DIR/address-of.rs:44:9: 44:10
  16             scope 3 {
  17                 debug r => _6;           // in scope 3 at $DIR/address-of.rs:44:9: 44:10
  18             }
  19         }
  20     }
  21
  22     bb0: {
  23         StorageLive(_2);                 // bb0[0]: scope 0 at $DIR/address-of.rs:42:9: 42:10
  24         StorageLive(_3);                 // bb0[1]: scope 0 at $DIR/address-of.rs:42:13: 42:15
  25         _3 = &_1;                        // bb0[2]: scope 0 at $DIR/address-of.rs:42:13: 42:15
  26         _2 = &raw const (*_3);           // bb0[3]: scope 0 at $DIR/address-of.rs:42:13: 42:15
  27         FakeRead(ForLet, _2);            // bb0[4]: scope 0 at $DIR/address-of.rs:42:9: 42:10
  28         StorageDead(_3);                 // bb0[5]: scope 0 at $DIR/address-of.rs:42:29: 42:30
  29         StorageLive(_4);                 // bb0[6]: scope 1 at $DIR/address-of.rs:43:9: 43:10
  30         StorageLive(_5);                 // bb0[7]: scope 1 at $DIR/address-of.rs:43:13: 43:19
  31         _5 = &mut _1;                    // bb0[8]: scope 1 at $DIR/address-of.rs:43:13: 43:19
  32         _4 = &raw const (*_5);           // bb0[9]: scope 1 at $DIR/address-of.rs:43:13: 43:19
  33         FakeRead(ForLet, _4);            // bb0[10]: scope 1 at $DIR/address-of.rs:43:9: 43:10
  34         StorageDead(_5);                 // bb0[11]: scope 1 at $DIR/address-of.rs:43:33: 43:34
  35         StorageLive(_6);                 // bb0[12]: scope 2 at $DIR/address-of.rs:44:9: 44:10
  36         StorageLive(_7);                 // bb0[13]: scope 2 at $DIR/address-of.rs:44:13: 44:19
  37         _7 = &mut _1;                    // bb0[14]: scope 2 at $DIR/address-of.rs:44:13: 44:19
  38         _6 = &raw mut (*_7);             // bb0[15]: scope 2 at $DIR/address-of.rs:44:13: 44:19
  39         FakeRead(ForLet, _6);            // bb0[16]: scope 2 at $DIR/address-of.rs:44:9: 44:10
  40         StorageDead(_7);                 // bb0[17]: scope 2 at $DIR/address-of.rs:44:31: 44:32
  41         _0 = const ();                   // bb0[18]: scope 0 at $DIR/address-of.rs:41:32: 45:2
  42                                          // ty::Const
  43                                          // + ty: ()
  44                                          // + val: Value(Scalar(<ZST>))
  45                                          // mir::Constant
  46                                          // + span: $DIR/address-of.rs:41:32: 45:2
  47                                          // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
  48         StorageDead(_6);                 // bb0[19]: scope 2 at $DIR/address-of.rs:45:1: 45:2
  49         StorageDead(_4);                 // bb0[20]: scope 1 at $DIR/address-of.rs:45:1: 45:2
  50         StorageDead(_2);                 // bb0[21]: scope 0 at $DIR/address-of.rs:45:1: 45:2
  51         return;                          // bb0[22]: scope 0 at $DIR/address-of.rs:45:2: 45:2
  52     }
  53 }