src/test/mir-opt/simplify_locals_removes_unused_consts.main.SimplifyLocals.diff

   1 - // MIR for `main` before SimplifyLocals
   2 + // MIR for `main` after SimplifyLocals
   3
   4   fn main() -> () {
   5       let mut _0: ();                      // return place in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:12:11: 12:11
   6 -     let mut _1: ((), ());                // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:20: 13:28
   7 -     let mut _2: ();                      // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:21: 13:23
   8 -     let mut _3: ();                      // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:25: 13:27
   9 -     let _4: ();                          // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22
  10 -     let mut _5: ((), ());                // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:14:13: 14:21
  11 -     let mut _6: ();                      // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:14:14: 14:16
  12 -     let mut _7: ();                      // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:14:18: 14:20
  13 -     let _8: ();                          // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35
  14 -     let mut _9: u8;                      // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:34
  15 -     let mut _10: u8;                     // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:30
  16 -     let mut _11: Temp;                   // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:28
  17 +     let _1: ();                          // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22
  18 +     let _2: ();                          // in scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35
  19       scope 1 {
  20       }
  21
  22       bb0: {
  23 -         StorageLive(_1);                 // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:20: 13:28
  24 -         StorageLive(_2);                 // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:21: 13:23
  25 -         StorageLive(_3);                 // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:25: 13:27
  26 -         (_1.0: ()) = const ();           // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:20: 13:28
  27 +         StorageLive(_1);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22
  28 +         _1 = const use_zst(const ((), ())) -> bb1; // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22
  29                                            // ty::Const
  30 -                                          // + ty: ()
  31 -                                          // + val: Value(Scalar(<ZST>))
  32 -                                          // mir::Constant
  33 -                                          // + span: $DIR/simplify-locals-removes-unused-consts.rs:13:20: 13:28
  34 -                                          // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
  35 -         (_1.1: ()) = const ();           // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:20: 13:28
  36 -                                          // ty::Const
  37 -                                          // + ty: ()
  38 -                                          // + val: Value(Scalar(<ZST>))
  39 -                                          // mir::Constant
  40 -                                          // + span: $DIR/simplify-locals-removes-unused-consts.rs:13:20: 13:28
  41 -                                          // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
  42 -         StorageDead(_3);                 // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:27: 13:28
  43 -         StorageDead(_2);                 // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:27: 13:28
  44 -         StorageDead(_1);                 // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:28: 13:29
  45 -         StorageLive(_4);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22
  46 -         StorageLive(_5);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:13: 14:21
  47 -         StorageLive(_6);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:14: 14:16
  48 -         StorageLive(_7);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:18: 14:20
  49 -         (_5.0: ()) = const ();           // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:13: 14:21
  50 -                                          // ty::Const
  51 -                                          // + ty: ()
  52 -                                          // + val: Value(Scalar(<ZST>))
  53 -                                          // mir::Constant
  54 -                                          // + span: $DIR/simplify-locals-removes-unused-consts.rs:14:13: 14:21
  55 -                                          // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
  56 -         (_5.1: ()) = const ();           // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:13: 14:21
  57 -                                          // ty::Const
  58 -                                          // + ty: ()
  59 -                                          // + val: Value(Scalar(<ZST>))
  60 -                                          // mir::Constant
  61 -                                          // + span: $DIR/simplify-locals-removes-unused-consts.rs:14:13: 14:21
  62 -                                          // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
  63 -         StorageDead(_7);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:20: 14:21
  64 -         StorageDead(_6);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:20: 14:21
  65 -         _4 = const use_zst(const ((), ())) -> bb1; // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22
  66 -                                          // ty::Const
  67                                            // + ty: fn(((), ())) {use_zst}
  68                                            // + val: Value(Scalar(<ZST>))
  69                                            // mir::Constant
  70                                            // + span: $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:12
  71                                            // + literal: Const { ty: fn(((), ())) {use_zst}, val: Value(Scalar(<ZST>)) }
  72                                            // ty::Const
  73                                            // + ty: ((), ())
  74                                            // + val: Value(Scalar(<ZST>))
  75                                            // mir::Constant
  76                                            // + span: $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22
  77                                            // + literal: Const { ty: ((), ()), val: Value(Scalar(<ZST>)) }
  78       }
  79
  80       bb1: {
  81 -         StorageDead(_5);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:21: 14:22
  82 -         StorageDead(_4);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:22: 14:23
  83 -         StorageLive(_8);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35
  84 -         StorageLive(_9);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:34
  85 -         StorageLive(_10);                // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:30
  86 -         StorageLive(_11);                // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:28
  87 -         (_11.0: u8) = const 40_u8;       // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:28
  88 -         _10 = const 40_u8;               // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:30
  89 -         _9 = const 42_u8;                // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:34
  90 -         StorageDead(_10);                // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:33: 16:34
  91 -         _8 = const use_u8(const 42_u8) -> bb2; // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35
  92 +         StorageDead(_1);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:22: 14:23
  93 +         StorageLive(_2);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35
  94 +         _2 = const use_u8(const 42_u8) -> bb2; // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35
  95                                            // ty::Const
  96                                            // + ty: fn(u8) {use_u8}
  97                                            // + val: Value(Scalar(<ZST>))
  98                                            // mir::Constant
  99                                            // + span: $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:11
 100                                            // + literal: Const { ty: fn(u8) {use_u8}, val: Value(Scalar(<ZST>)) }
 101       }
 102
 103       bb2: {
 104 -         StorageDead(_9);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:34: 16:35
 105 -         StorageDead(_11);                // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:35: 16:36
 106 -         StorageDead(_8);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:35: 16:36
 107 +         StorageDead(_2);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:35: 16:36
 108           _0 = const ();                   // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:12:11: 17:2
 109                                            // ty::Const
 110                                            // + ty: ()
 111                                            // + val: Value(Scalar(<ZST>))
 112                                            // mir::Constant
 113                                            // + span: $DIR/simplify-locals-removes-unused-consts.rs:12:11: 17:2
 114                                            // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
 115           return;                          // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:17:2: 17:2
 116       }
 117   }
 118