src/test/mir-opt/simplify-locals-removes-unused-consts/rustc.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 -         _2 = const ();                   // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:21: 13:23
  26 +         StorageLive(_1);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22
  27 +         _1 = const use_zst(const ((), ())) -> bb1; // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22
  28                                            // ty::Const
  29 -                                          // + ty: ()
  30 -                                          // + val: Value(Scalar(<ZST>))
  31 -                                          // mir::Constant
  32 -                                          // + span: $DIR/simplify-locals-removes-unused-consts.rs:13:21: 13:23
  33 -                                          // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
  34 -         StorageLive(_3);                 // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:25: 13:27
  35 -         _3 = const ();                   // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:25: 13:27
  36 -                                          // ty::Const
  37 -                                          // + ty: ()
  38 -                                          // + val: Value(Scalar(<ZST>))
  39 -                                          // mir::Constant
  40 -                                          // + span: $DIR/simplify-locals-removes-unused-consts.rs:13:25: 13:27
  41 -                                          // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
  42 -         _1 = const ((), ());             // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:20: 13:28
  43 -                                          // ty::Const
  44 -                                          // + ty: ((), ())
  45 -                                          // + val: Value(Scalar(<ZST>))
  46 -                                          // mir::Constant
  47 -                                          // + span: $DIR/simplify-locals-removes-unused-consts.rs:13:20: 13:28
  48 -                                          // + literal: Const { ty: ((), ()), val: Value(Scalar(<ZST>)) }
  49 -         StorageDead(_3);                 // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:27: 13:28
  50 -         StorageDead(_2);                 // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:27: 13:28
  51 -         StorageDead(_1);                 // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:28: 13:29
  52 -         StorageLive(_4);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22
  53 -         StorageLive(_5);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:13: 14:21
  54 -         StorageLive(_6);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:14: 14:16
  55 -         _6 = const ();                   // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:14: 14:16
  56 -                                          // ty::Const
  57 -                                          // + ty: ()
  58 -                                          // + val: Value(Scalar(<ZST>))
  59 -                                          // mir::Constant
  60 -                                          // + span: $DIR/simplify-locals-removes-unused-consts.rs:14:14: 14:16
  61 -                                          // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
  62 -         StorageLive(_7);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:18: 14:20
  63 -         _7 = const ();                   // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:18: 14:20
  64 -                                          // ty::Const
  65 -                                          // + ty: ()
  66 -                                          // + val: Value(Scalar(<ZST>))
  67 -                                          // mir::Constant
  68 -                                          // + span: $DIR/simplify-locals-removes-unused-consts.rs:14:18: 14:20
  69 -                                          // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
  70 -         _5 = const ((), ());             // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:13: 14:21
  71 -                                          // ty::Const
  72 -                                          // + ty: ((), ())
  73 -                                          // + val: Value(Scalar(<ZST>))
  74 -                                          // mir::Constant
  75 -                                          // + span: $DIR/simplify-locals-removes-unused-consts.rs:14:13: 14:21
  76 -                                          // + literal: Const { ty: ((), ()), val: Value(Scalar(<ZST>)) }
  77 -         StorageDead(_7);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:20: 14:21
  78 -         StorageDead(_6);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:20: 14:21
  79 -         _4 = const use_zst(const ((), ())) -> bb1; // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22
  80 -                                          // ty::Const
  81                                            // + ty: fn(((), ())) {use_zst}
  82                                            // + val: Value(Scalar(<ZST>))
  83                                            // mir::Constant
  84                                            // + span: $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:12
  85                                            // + literal: Const { ty: fn(((), ())) {use_zst}, val: Value(Scalar(<ZST>)) }
  86                                            // ty::Const
  87                                            // + ty: ((), ())
  88                                            // + val: Value(Scalar(<ZST>))
  89                                            // mir::Constant
  90                                            // + span: $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22
  91                                            // + literal: Const { ty: ((), ()), val: Value(Scalar(<ZST>)) }
  92       }
  93
  94       bb1: {
  95 -         StorageDead(_5);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:21: 14:22
  96 -         StorageDead(_4);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:22: 14:23
  97 -         StorageLive(_8);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35
  98 -         StorageLive(_9);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:34
  99 -         StorageLive(_10);                // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:30
 100 -         StorageLive(_11);                // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:28
 101 -         _11 = const Temp { x: 40_u8 };   // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:28
 102 +         StorageDead(_1);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:22: 14:23
 103 +         StorageLive(_2);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35
 104 +         _2 = const use_u8(const 42_u8) -> bb2; // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35
 105                                            // ty::Const
 106 -                                          // + ty: Temp
 107 -                                          // + val: Value(Scalar(0x28))
 108 -                                          // mir::Constant
 109 -                                          // + span: $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:28
 110 -                                          // + literal: Const { ty: Temp, val: Value(Scalar(0x28)) }
 111 -         _10 = const 40_u8;               // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:30
 112 -                                          // ty::Const
 113 -                                          // + ty: u8
 114 -                                          // + val: Value(Scalar(0x28))
 115 -                                          // mir::Constant
 116 -                                          // + span: $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:30
 117 -                                          // + literal: Const { ty: u8, val: Value(Scalar(0x28)) }
 118 -         _9 = const 42_u8;                // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:34
 119 -                                          // ty::Const
 120 -                                          // + ty: u8
 121 -                                          // + val: Value(Scalar(0x2a))
 122 -                                          // mir::Constant
 123 -                                          // + span: $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:34
 124 -                                          // + literal: Const { ty: u8, val: Value(Scalar(0x2a)) }
 125 -         StorageDead(_10);                // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:33: 16:34
 126 -         _8 = const use_u8(const 42_u8) -> bb2; // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35
 127 -                                          // ty::Const
 128                                            // + ty: fn(u8) {use_u8}
 129                                            // + val: Value(Scalar(<ZST>))
 130                                            // mir::Constant
 131                                            // + span: $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:11
 132                                            // + literal: Const { ty: fn(u8) {use_u8}, val: Value(Scalar(<ZST>)) }
 133                                            // ty::Const
 134                                            // + ty: u8
 135                                            // + val: Value(Scalar(0x2a))
 136                                            // mir::Constant
 137                                            // + span: $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35
 138                                            // + literal: Const { ty: u8, val: Value(Scalar(0x2a)) }
 139       }
 140
 141       bb2: {
 142 -         StorageDead(_9);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:34: 16:35
 143 -         StorageDead(_11);                // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:35: 16:36
 144 -         StorageDead(_8);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:35: 16:36
 145 +         StorageDead(_2);                 // scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:35: 16:36
 146           _0 = const ();                   // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:12:11: 17:2
 147                                            // ty::Const
 148                                            // + ty: ()
 149                                            // + val: Value(Scalar(<ZST>))
 150                                            // mir::Constant
 151                                            // + span: $DIR/simplify-locals-removes-unused-consts.rs:12:11: 17:2
 152                                            // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
 153           return;                          // scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:17:2: 17:2
 154       }
 155   }
 156