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:19:11: 19:11
   6       let _1: &str;                        // in scope 0 at $DIR/uninhabited_enum_branching.rs:20:5: 24:6
   7       let mut _2: Test1;                   // in scope 0 at $DIR/uninhabited_enum_branching.rs:20:11: 20:19
   8       let mut _3: isize;                   // in scope 0 at $DIR/uninhabited_enum_branching.rs:21:9: 21:20
   9       let _4: &str;                        // in scope 0 at $DIR/uninhabited_enum_branching.rs:22:24: 22:34
  10       let _5: &str;                        // in scope 0 at $DIR/uninhabited_enum_branching.rs:23:21: 23:24
  11       let _6: &str;                        // in scope 0 at $DIR/uninhabited_enum_branching.rs:26:5: 29:6
  12       let mut _7: Test2;                   // in scope 0 at $DIR/uninhabited_enum_branching.rs:26:11: 26:19
  13       let mut _8: isize;                   // in scope 0 at $DIR/uninhabited_enum_branching.rs:27:9: 27:17
  14       let _9: &str;                        // in scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24
  15
  16       bb0: {
  17           StorageLive(_1);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:20:5: 24:6
  18           StorageLive(_2);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:20:11: 20:19
  19           discriminant(_2) = 2;            // scope 0 at $DIR/uninhabited_enum_branching.rs:20:11: 20:19
  20           _3 = discriminant(_2);           // scope 0 at $DIR/uninhabited_enum_branching.rs:20:11: 20:19
  21 -         switchInt(move _3) -> [0_isize: bb2, 1_isize: bb3, otherwise: bb1]; // scope 0 at $DIR/uninhabited_enum_branching.rs:20:5: 20:19
  22 +         switchInt(move _3) -> bb1;       // scope 0 at $DIR/uninhabited_enum_branching.rs:20:5: 20:19
  23       }
  24
  25       bb1: {
  26           StorageLive(_5);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:23:21: 23:24
  27           _5 = const "C";                  // scope 0 at $DIR/uninhabited_enum_branching.rs:23:21: 23:24
  28                                            // mir::Constant
  29                                            // + span: $DIR/uninhabited_enum_branching.rs:23:21: 23:24
  30                                            // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [67], relocations: Relocations(SortedMap { data: [] }), init_mask: InitMask { blocks: [1], len: Size { raw: 1 } }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 1 }) }
  31           _1 = &(*_5);                     // scope 0 at $DIR/uninhabited_enum_branching.rs:23:21: 23:24
  32           StorageDead(_5);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:23:23: 23:24
  33           goto -> bb4;                     // scope 0 at $DIR/uninhabited_enum_branching.rs:23:23: 23:24
  34       }
  35
  36       bb2: {
  37           _1 = const "A(Empty)";           // scope 0 at $DIR/uninhabited_enum_branching.rs:21:24: 21:34
  38                                            // mir::Constant
  39                                            // + span: $DIR/uninhabited_enum_branching.rs:21:24: 21:34
  40                                            // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [65, 40, 69, 109, 112, 116, 121, 41], relocations: Relocations(SortedMap { data: [] }), init_mask: InitMask { blocks: [255], len: Size { raw: 8 } }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 8 }) }
  41           goto -> bb4;                     // scope 0 at $DIR/uninhabited_enum_branching.rs:21:24: 21:34
  42       }
  43
  44       bb3: {
  45           StorageLive(_4);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:22:24: 22:34
  46           _4 = const "B(Empty)";           // scope 0 at $DIR/uninhabited_enum_branching.rs:22:24: 22:34
  47                                            // mir::Constant
  48                                            // + span: $DIR/uninhabited_enum_branching.rs:22:24: 22:34
  49                                            // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [66, 40, 69, 109, 112, 116, 121, 41], relocations: Relocations(SortedMap { data: [] }), init_mask: InitMask { blocks: [255], len: Size { raw: 8 } }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 8 }) }
  50           _1 = &(*_4);                     // scope 0 at $DIR/uninhabited_enum_branching.rs:22:24: 22:34
  51           StorageDead(_4);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:22:33: 22:34
  52           goto -> bb4;                     // scope 0 at $DIR/uninhabited_enum_branching.rs:22:33: 22:34
  53       }
  54
  55       bb4: {
  56           StorageDead(_2);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:24:6: 24:7
  57           StorageDead(_1);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:24:6: 24:7
  58           StorageLive(_6);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:26:5: 29:6
  59           StorageLive(_7);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:26:11: 26:19
  60           discriminant(_7) = 0;            // scope 0 at $DIR/uninhabited_enum_branching.rs:26:11: 26:19
  61           _8 = discriminant(_7);           // scope 0 at $DIR/uninhabited_enum_branching.rs:26:11: 26:19
  62           switchInt(move _8) -> [4_isize: bb6, otherwise: bb5]; // scope 0 at $DIR/uninhabited_enum_branching.rs:26:5: 26:19
  63       }
  64
  65       bb5: {
  66           StorageLive(_9);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24
  67           _9 = const "E";                  // scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24
  68                                            // mir::Constant
  69                                            // + span: $DIR/uninhabited_enum_branching.rs:28:21: 28:24
  70                                            // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [69], relocations: Relocations(SortedMap { data: [] }), init_mask: InitMask { blocks: [1], len: Size { raw: 1 } }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 1 }) }
  71           _6 = &(*_9);                     // scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24
  72           StorageDead(_9);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:28:23: 28:24
  73           goto -> bb7;                     // scope 0 at $DIR/uninhabited_enum_branching.rs:28:23: 28:24
  74       }
  75
  76       bb6: {
  77           _6 = const "D";                  // scope 0 at $DIR/uninhabited_enum_branching.rs:27:21: 27:24
  78                                            // mir::Constant
  79                                            // + span: $DIR/uninhabited_enum_branching.rs:27:21: 27:24
  80                                            // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [68], relocations: Relocations(SortedMap { data: [] }), init_mask: InitMask { blocks: [1], len: Size { raw: 1 } }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 1 }) }
  81           goto -> bb7;                     // scope 0 at $DIR/uninhabited_enum_branching.rs:27:21: 27:24
  82       }
  83
  84       bb7: {
  85           StorageDead(_7);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:29:6: 29:7
  86           StorageDead(_6);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:29:6: 29:7
  87           _0 = const ();                   // scope 0 at $DIR/uninhabited_enum_branching.rs:19:11: 30:2
  88           return;                          // scope 0 at $DIR/uninhabited_enum_branching.rs:30:2: 30:2
  89       }
  90   }
  91