src/test/mir-opt/array_index_is_temporary.main.SimplifyCfg-elaborate-drops.after.mir.64bit

   1 // MIR for `main` after SimplifyCfg-elaborate-drops
   2
   3 fn main() -> () {
   4     let mut _0: ();                      // return place in scope 0 at $DIR/array-index-is-temporary.rs:12:11: 12:11
   5     let mut _1: [u32; 3];                // in scope 0 at $DIR/array-index-is-temporary.rs:13:9: 13:14
   6     let mut _4: &mut usize;              // in scope 0 at $DIR/array-index-is-temporary.rs:15:25: 15:31
   7     let mut _5: u32;                     // in scope 0 at $DIR/array-index-is-temporary.rs:16:12: 16:29
   8     let mut _6: *mut usize;              // in scope 0 at $DIR/array-index-is-temporary.rs:16:25: 16:26
   9     let _7: usize;                       // in scope 0 at $DIR/array-index-is-temporary.rs:16:7: 16:8
  10     let mut _8: usize;                   // in scope 0 at $DIR/array-index-is-temporary.rs:16:5: 16:9
  11     let mut _9: bool;                    // in scope 0 at $DIR/array-index-is-temporary.rs:16:5: 16:9
  12     scope 1 {
  13         debug x => _1;                   // in scope 1 at $DIR/array-index-is-temporary.rs:13:9: 13:14
  14         let mut _2: usize;               // in scope 1 at $DIR/array-index-is-temporary.rs:14:9: 14:14
  15         scope 2 {
  16             debug y => _2;               // in scope 2 at $DIR/array-index-is-temporary.rs:14:9: 14:14
  17             let _3: *mut usize;          // in scope 2 at $DIR/array-index-is-temporary.rs:15:9: 15:10
  18             scope 3 {
  19                 debug z => _3;           // in scope 3 at $DIR/array-index-is-temporary.rs:15:9: 15:10
  20                 scope 4 {
  21                 }
  22             }
  23         }
  24     }
  25
  26     bb0: {
  27         StorageLive(_1);                 // scope 0 at $DIR/array-index-is-temporary.rs:13:9: 13:14
  28         _1 = [const 42_u32, const 43_u32, const 44_u32]; // scope 0 at $DIR/array-index-is-temporary.rs:13:17: 13:29
  29         StorageLive(_2);                 // scope 1 at $DIR/array-index-is-temporary.rs:14:9: 14:14
  30         _2 = const 1_usize;              // scope 1 at $DIR/array-index-is-temporary.rs:14:17: 14:18
  31         StorageLive(_3);                 // scope 2 at $DIR/array-index-is-temporary.rs:15:9: 15:10
  32         StorageLive(_4);                 // scope 2 at $DIR/array-index-is-temporary.rs:15:25: 15:31
  33         _4 = &mut _2;                    // scope 2 at $DIR/array-index-is-temporary.rs:15:25: 15:31
  34         _3 = &raw mut (*_4);             // scope 2 at $DIR/array-index-is-temporary.rs:15:25: 15:31
  35         StorageDead(_4);                 // scope 2 at $DIR/array-index-is-temporary.rs:15:31: 15:32
  36         StorageLive(_5);                 // scope 3 at $DIR/array-index-is-temporary.rs:16:12: 16:29
  37         StorageLive(_6);                 // scope 4 at $DIR/array-index-is-temporary.rs:16:25: 16:26
  38         _6 = _3;                         // scope 4 at $DIR/array-index-is-temporary.rs:16:25: 16:26
  39         _5 = foo(move _6) -> bb1;        // scope 4 at $DIR/array-index-is-temporary.rs:16:21: 16:27
  40                                          // mir::Constant
  41                                          // + span: $DIR/array-index-is-temporary.rs:16:21: 16:24
  42                                          // + literal: Const { ty: unsafe fn(*mut usize) -> u32 {foo}, val: Value(Scalar(<ZST>)) }
  43     }
  44
  45     bb1: {
  46         StorageDead(_6);                 // scope 4 at $DIR/array-index-is-temporary.rs:16:26: 16:27
  47         StorageLive(_7);                 // scope 3 at $DIR/array-index-is-temporary.rs:16:7: 16:8
  48         _7 = _2;                         // scope 3 at $DIR/array-index-is-temporary.rs:16:7: 16:8
  49         _8 = Len(_1);                    // scope 3 at $DIR/array-index-is-temporary.rs:16:5: 16:9
  50         _9 = Lt(_7, _8);                 // scope 3 at $DIR/array-index-is-temporary.rs:16:5: 16:9
  51         assert(move _9, "index out of bounds: the len is {} but the index is {}", move _8, _7) -> bb2; // scope 3 at $DIR/array-index-is-temporary.rs:16:5: 16:9
  52     }
  53
  54     bb2: {
  55         _1[_7] = move _5;                // scope 3 at $DIR/array-index-is-temporary.rs:16:5: 16:29
  56         StorageDead(_5);                 // scope 3 at $DIR/array-index-is-temporary.rs:16:28: 16:29
  57         StorageDead(_7);                 // scope 3 at $DIR/array-index-is-temporary.rs:16:29: 16:30
  58         _0 = const ();                   // scope 0 at $DIR/array-index-is-temporary.rs:12:11: 17:2
  59         StorageDead(_3);                 // scope 2 at $DIR/array-index-is-temporary.rs:17:1: 17:2
  60         StorageDead(_2);                 // scope 1 at $DIR/array-index-is-temporary.rs:17:1: 17:2
  61         StorageDead(_1);                 // scope 0 at $DIR/array-index-is-temporary.rs:17:1: 17:2
  62         return;                          // scope 0 at $DIR/array-index-is-temporary.rs:17:2: 17:2
  63     }
  64 }