src/test/mir-opt/packed-struct-drop-aligned/64bit/rustc.main.SimplifyCfg-elaborate-drops.after.mir

   1 // MIR for `main` after SimplifyCfg-elaborate-drops
   2
   3 fn main() -> () {
   4     let mut _0: ();                      // return place in scope 0 at $DIR/packed-struct-drop-aligned.rs:5:11: 5:11
   5     let mut _1: Packed;                  // in scope 0 at $DIR/packed-struct-drop-aligned.rs:6:9: 6:14
   6     let mut _2: Aligned;                 // in scope 0 at $DIR/packed-struct-drop-aligned.rs:6:24: 6:42
   7     let mut _3: Droppy;                  // in scope 0 at $DIR/packed-struct-drop-aligned.rs:6:32: 6:41
   8     let mut _4: Aligned;                 // in scope 0 at $DIR/packed-struct-drop-aligned.rs:7:11: 7:29
   9     let mut _5: Droppy;                  // in scope 0 at $DIR/packed-struct-drop-aligned.rs:7:19: 7:28
  10     let mut _6: Aligned;                 // in scope 0 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8
  11     scope 1 {
  12         debug x => _1;                   // in scope 1 at $DIR/packed-struct-drop-aligned.rs:6:9: 6:14
  13     }
  14
  15     bb0: {
  16         StorageLive(_1);                 // bb0[0]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:9: 6:14
  17         StorageLive(_2);                 // bb0[1]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:24: 6:42
  18         StorageLive(_3);                 // bb0[2]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:32: 6:41
  19         _3 = Droppy(const 0usize);       // bb0[3]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:32: 6:41
  20                                          // ty::Const
  21                                          // + ty: usize
  22                                          // + val: Value(Scalar(0x0000000000000000))
  23                                          // mir::Constant
  24                                          // + span: $DIR/packed-struct-drop-aligned.rs:6:39: 6:40
  25                                          // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000000)) }
  26         _2 = Aligned(move _3);           // bb0[4]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:24: 6:42
  27         StorageDead(_3);                 // bb0[5]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:41: 6:42
  28         _1 = Packed(move _2);            // bb0[6]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:17: 6:43
  29         StorageDead(_2);                 // bb0[7]: scope 0 at $DIR/packed-struct-drop-aligned.rs:6:42: 6:43
  30         StorageLive(_4);                 // bb0[8]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:11: 7:29
  31         StorageLive(_5);                 // bb0[9]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:19: 7:28
  32         _5 = Droppy(const 0usize);       // bb0[10]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:19: 7:28
  33                                          // ty::Const
  34                                          // + ty: usize
  35                                          // + val: Value(Scalar(0x0000000000000000))
  36                                          // mir::Constant
  37                                          // + span: $DIR/packed-struct-drop-aligned.rs:7:26: 7:27
  38                                          // + literal: Const { ty: usize, val: Value(Scalar(0x0000000000000000)) }
  39         _4 = Aligned(move _5);           // bb0[11]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:11: 7:29
  40         StorageDead(_5);                 // bb0[12]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:28: 7:29
  41         StorageLive(_6);                 // bb0[13]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8
  42         _6 = move (_1.0: Aligned);       // bb0[14]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8
  43         drop(_6) -> [return: bb4, unwind: bb3]; // bb0[15]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8
  44     }
  45
  46     bb1 (cleanup): {
  47         resume;                          // bb1[0]: scope 0 at $DIR/packed-struct-drop-aligned.rs:5:1: 8:2
  48     }
  49
  50     bb2: {
  51         StorageDead(_1);                 // bb2[0]: scope 0 at $DIR/packed-struct-drop-aligned.rs:8:1: 8:2
  52         return;                          // bb2[1]: scope 0 at $DIR/packed-struct-drop-aligned.rs:8:2: 8:2
  53     }
  54
  55     bb3 (cleanup): {
  56         (_1.0: Aligned) = move _4;       // bb3[0]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8
  57         drop(_1) -> bb1;                 // bb3[1]: scope 0 at $DIR/packed-struct-drop-aligned.rs:8:1: 8:2
  58     }
  59
  60     bb4: {
  61         StorageDead(_6);                 // bb4[0]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8
  62         (_1.0: Aligned) = move _4;       // bb4[1]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:5: 7:8
  63         StorageDead(_4);                 // bb4[2]: scope 1 at $DIR/packed-struct-drop-aligned.rs:7:28: 7:29
  64         _0 = const ();                   // bb4[3]: scope 0 at $DIR/packed-struct-drop-aligned.rs:5:11: 8:2
  65                                          // ty::Const
  66                                          // + ty: ()
  67                                          // + val: Value(Scalar(<ZST>))
  68                                          // mir::Constant
  69                                          // + span: $DIR/packed-struct-drop-aligned.rs:5:11: 8:2
  70                                          // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
  71         drop(_1) -> [return: bb2, unwind: bb1]; // bb4[4]: scope 0 at $DIR/packed-struct-drop-aligned.rs:8:1: 8:2
  72     }
  73 }