tests/mir-opt/uninhabited_enum_branching.main.UninhabitedEnumBranching.diff

   1 - // MIR for `main` before UninhabitedEnumBranching
   2 + // MIR for `main` after UninhabitedEnumBranching
   3
   4   fn main() -> () {
   5       let mut _0: ();                      // return place in scope 0 at $DIR/uninhabited_enum_branching.rs:+0:11: +0:11
   6       let _1: &str;                        // in scope 0 at $DIR/uninhabited_enum_branching.rs:+1:5: +5:6
   7       let mut _2: Test1;                   // in scope 0 at $DIR/uninhabited_enum_branching.rs:+1:11: +1:19
   8       let mut _3: isize;                   // in scope 0 at $DIR/uninhabited_enum_branching.rs:+2:9: +2:20
   9       let _4: &str;                        // in scope 0 at $DIR/uninhabited_enum_branching.rs:+3:24: +3:34
  10       let _5: &str;                        // in scope 0 at $DIR/uninhabited_enum_branching.rs:+4:21: +4:24
  11       let _6: &str;                        // in scope 0 at $DIR/uninhabited_enum_branching.rs:+7:5: +10:6
  12       let mut _7: Test2;                   // in scope 0 at $DIR/uninhabited_enum_branching.rs:+7:11: +7:19
  13       let mut _8: isize;                   // in scope 0 at $DIR/uninhabited_enum_branching.rs:+8:9: +8:17
  14       let _9: &str;                        // in scope 0 at $DIR/uninhabited_enum_branching.rs:+9:21: +9:24
  15
  16       bb0: {
  17           StorageLive(_1);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:+1:5: +5:6
  18           StorageLive(_2);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:+1:11: +1:19
  19           _2 = Test1::C;                   // scope 0 at $DIR/uninhabited_enum_branching.rs:+1:11: +1:19
  20           _3 = discriminant(_2);           // scope 0 at $DIR/uninhabited_enum_branching.rs:+1:11: +1:19
  21 -         switchInt(move _3) -> [0: bb3, 1: bb4, 2: bb1, otherwise: bb2]; // scope 0 at $DIR/uninhabited_enum_branching.rs:+1:5: +1:19
  22 +         switchInt(move _3) -> [2: bb1, otherwise: bb2]; // scope 0 at $DIR/uninhabited_enum_branching.rs:+1:5: +1:19
  23       }
  24
  25       bb1: {
  26           StorageLive(_5);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:+4:21: +4:24
  27           _5 = const "C";                  // scope 0 at $DIR/uninhabited_enum_branching.rs:+4:21: +4:24
  28                                            // mir::Constant
  29                                            // + span: $DIR/uninhabited_enum_branching.rs:23:21: 23:24
  30                                            // + literal: Const { ty: &str, val: Value(Slice(..)) }
  31           _1 = &(*_5);                     // scope 0 at $DIR/uninhabited_enum_branching.rs:+4:21: +4:24
  32           StorageDead(_5);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:+4:23: +4:24
  33           goto -> bb5;                     // scope 0 at $DIR/uninhabited_enum_branching.rs:+4:23: +4:24
  34       }
  35
  36       bb2: {
  37           unreachable;                     // scope 0 at $DIR/uninhabited_enum_branching.rs:+1:11: +1:19
  38       }
  39
  40       bb3: {
  41           _1 = const "A(Empty)";           // scope 0 at $DIR/uninhabited_enum_branching.rs:+2:24: +2:34
  42                                            // mir::Constant
  43                                            // + span: $DIR/uninhabited_enum_branching.rs:21:24: 21:34
  44                                            // + literal: Const { ty: &str, val: Value(Slice(..)) }
  45           goto -> bb5;                     // scope 0 at $DIR/uninhabited_enum_branching.rs:+2:24: +2:34
  46       }
  47
  48       bb4: {
  49           StorageLive(_4);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:+3:24: +3:34
  50           _4 = const "B(Empty)";           // scope 0 at $DIR/uninhabited_enum_branching.rs:+3:24: +3:34
  51                                            // mir::Constant
  52                                            // + span: $DIR/uninhabited_enum_branching.rs:22:24: 22:34
  53                                            // + literal: Const { ty: &str, val: Value(Slice(..)) }
  54           _1 = &(*_4);                     // scope 0 at $DIR/uninhabited_enum_branching.rs:+3:24: +3:34
  55           StorageDead(_4);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:+3:33: +3:34
  56           goto -> bb5;                     // scope 0 at $DIR/uninhabited_enum_branching.rs:+3:33: +3:34
  57       }
  58
  59       bb5: {
  60           StorageDead(_2);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:+5:6: +5:7
  61           StorageDead(_1);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:+5:6: +5:7
  62           StorageLive(_6);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:+7:5: +10:6
  63           StorageLive(_7);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:+7:11: +7:19
  64           _7 = Test2::D;                   // scope 0 at $DIR/uninhabited_enum_branching.rs:+7:11: +7:19
  65           _8 = discriminant(_7);           // scope 0 at $DIR/uninhabited_enum_branching.rs:+7:11: +7:19
  66           switchInt(move _8) -> [4: bb8, 5: bb6, otherwise: bb7]; // scope 0 at $DIR/uninhabited_enum_branching.rs:+7:5: +7:19
  67       }
  68
  69       bb6: {
  70           StorageLive(_9);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:+9:21: +9:24
  71           _9 = const "E";                  // scope 0 at $DIR/uninhabited_enum_branching.rs:+9:21: +9:24
  72                                            // mir::Constant
  73                                            // + span: $DIR/uninhabited_enum_branching.rs:28:21: 28:24
  74                                            // + literal: Const { ty: &str, val: Value(Slice(..)) }
  75           _6 = &(*_9);                     // scope 0 at $DIR/uninhabited_enum_branching.rs:+9:21: +9:24
  76           StorageDead(_9);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:+9:23: +9:24
  77           goto -> bb9;                     // scope 0 at $DIR/uninhabited_enum_branching.rs:+9:23: +9:24
  78       }
  79
  80       bb7: {
  81           unreachable;                     // scope 0 at $DIR/uninhabited_enum_branching.rs:+7:11: +7:19
  82       }
  83
  84       bb8: {
  85           _6 = const "D";                  // scope 0 at $DIR/uninhabited_enum_branching.rs:+8:21: +8:24
  86                                            // mir::Constant
  87                                            // + span: $DIR/uninhabited_enum_branching.rs:27:21: 27:24
  88                                            // + literal: Const { ty: &str, val: Value(Slice(..)) }
  89           goto -> bb9;                     // scope 0 at $DIR/uninhabited_enum_branching.rs:+8:21: +8:24
  90       }
  91
  92       bb9: {
  93           StorageDead(_7);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:+10:6: +10:7
  94           StorageDead(_6);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:+10:6: +10:7
  95           _0 = const ();                   // scope 0 at $DIR/uninhabited_enum_branching.rs:+0:11: +11:2
  96           return;                          // scope 0 at $DIR/uninhabited_enum_branching.rs:+11:2: +11:2
  97       }
  98   }
  99