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);                 // bb0[0]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:20: 13:28
  24 -         StorageLive(_2);                 // bb0[1]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:21: 13:23
  25 -         _2 = const ();                   // bb0[2]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:21: 13:23
  26 +         StorageLive(_1);                 // bb0[0]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22
  27 +         _1 = const use_zst(const ((), ())) -> bb1; // bb0[1]: 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);                 // bb0[3]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:25: 13:27
  35 -         _3 = const ();                   // bb0[4]: 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 ((), ());             // bb0[5]: 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);                 // bb0[6]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:27: 13:28
  50 -         StorageDead(_2);                 // bb0[7]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:27: 13:28
  51 -         StorageDead(_1);                 // bb0[8]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:13:28: 13:29
  52 -         StorageLive(_4);                 // bb0[9]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22
  53 -         StorageLive(_6);                 // bb0[10]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:14: 14:16
  54 -         _6 = const ();                   // bb0[11]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:14: 14:16
  55 -                                          // ty::Const
  56 -                                          // + ty: ()
  57 -                                          // + val: Value(Scalar(<ZST>))
  58 -                                          // mir::Constant
  59 -                                          // + span: $DIR/simplify-locals-removes-unused-consts.rs:14:14: 14:16
  60 -                                          // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
  61 -         StorageLive(_7);                 // bb0[12]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:18: 14:20
  62 -         _7 = const ();                   // bb0[13]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:18: 14:20
  63 -                                          // ty::Const
  64 -                                          // + ty: ()
  65 -                                          // + val: Value(Scalar(<ZST>))
  66 -                                          // mir::Constant
  67 -                                          // + span: $DIR/simplify-locals-removes-unused-consts.rs:14:18: 14:20
  68 -                                          // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
  69 -         StorageDead(_7);                 // bb0[14]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:20: 14:21
  70 -         StorageDead(_6);                 // bb0[15]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:20: 14:21
  71 -         _4 = const use_zst(const ((), ())) -> bb1; // bb0[16]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:22
  72 -                                          // ty::Const
  73                                            // + ty: fn(((), ())) {use_zst}
  74                                            // + val: Value(Scalar(<ZST>))
  75                                            // mir::Constant
  76                                            // + span: $DIR/simplify-locals-removes-unused-consts.rs:14:5: 14:12
  77                                            // + literal: Const { ty: fn(((), ())) {use_zst}, val: Value(Scalar(<ZST>)) }
  78                                            // ty::Const
  79                                            // + ty: ((), ())
  80                                            // + val: Value(Scalar(<ZST>))
  81                                            // mir::Constant
  82                                            // + span: $DIR/simplify-locals-removes-unused-consts.rs:14:13: 14:21
  83                                            // + literal: Const { ty: ((), ()), val: Value(Scalar(<ZST>)) }
  84       }
  85
  86       bb1: {
  87 -         StorageDead(_4);                 // bb1[0]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:22: 14:23
  88 -         StorageLive(_8);                 // bb1[1]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35
  89 -         StorageLive(_10);                // bb1[2]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:30
  90 -         StorageLive(_11);                // bb1[3]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:28
  91 -         _11 = const Temp { x: 40u8 };    // bb1[4]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:28
  92 +         StorageDead(_1);                 // bb1[0]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:14:22: 14:23
  93 +         StorageLive(_2);                 // bb1[1]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35
  94 +         _2 = const use_u8(const 42u8) -> bb2; // bb1[2]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35
  95                                            // ty::Const
  96 -                                          // + ty: Temp
  97 -                                          // + val: Value(Scalar(0x28))
  98 -                                          // mir::Constant
  99 -                                          // + span: $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:28
 100 -                                          // + literal: Const { ty: Temp, val: Value(Scalar(0x28)) }
 101 -         _10 = const 40u8;                // bb1[5]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:30
 102 -                                          // ty::Const
 103 -                                          // + ty: u8
 104 -                                          // + val: Value(Scalar(0x28))
 105 -                                          // mir::Constant
 106 -                                          // + span: $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:30
 107 -                                          // + literal: Const { ty: u8, val: Value(Scalar(0x28)) }
 108 -         StorageDead(_10);                // bb1[6]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:33: 16:34
 109 -         _8 = const use_u8(const 42u8) -> bb2; // bb1[7]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:35
 110 -                                          // ty::Const
 111                                            // + ty: fn(u8) {use_u8}
 112                                            // + val: Value(Scalar(<ZST>))
 113                                            // mir::Constant
 114                                            // + span: $DIR/simplify-locals-removes-unused-consts.rs:16:5: 16:11
 115                                            // + literal: Const { ty: fn(u8) {use_u8}, val: Value(Scalar(<ZST>)) }
 116                                            // ty::Const
 117                                            // + ty: u8
 118                                            // + val: Value(Scalar(0x2a))
 119                                            // mir::Constant
 120                                            // + span: $DIR/simplify-locals-removes-unused-consts.rs:16:12: 16:34
 121                                            // + literal: Const { ty: u8, val: Value(Scalar(0x2a)) }
 122       }
 123
 124       bb2: {
 125 -         StorageDead(_11);                // bb2[0]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:35: 16:36
 126 -         StorageDead(_8);                 // bb2[1]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:35: 16:36
 127 -         _0 = const ();                   // bb2[2]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:12:11: 17:2
 128 +         StorageDead(_2);                 // bb2[0]: scope 1 at $DIR/simplify-locals-removes-unused-consts.rs:16:35: 16:36
 129 +         _0 = const ();                   // bb2[1]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:12:11: 17:2
 130                                            // ty::Const
 131                                            // + ty: ()
 132                                            // + val: Value(Scalar(<ZST>))
 133                                            // mir::Constant
 134                                            // + span: $DIR/simplify-locals-removes-unused-consts.rs:12:11: 17:2
 135                                            // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
 136 -         return;                          // bb2[3]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:17:2: 17:2
 137 +         return;                          // bb2[2]: scope 0 at $DIR/simplify-locals-removes-unused-consts.rs:17:2: 17:2
 138       }
 139   }
 140