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