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