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 // ty::Const 29 // + ty: &str 30 // + 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 // mir::Constant 32 // + span: $DIR/uninhabited_enum_branching.rs:23:21: 23:24 33 // + 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 }) } 34 _1 = &(*_5); // scope 0 at $DIR/uninhabited_enum_branching.rs:23:21: 23:24 35 StorageDead(_5); // scope 0 at $DIR/uninhabited_enum_branching.rs:23:23: 23:24 36 goto -> bb4; // scope 0 at $DIR/uninhabited_enum_branching.rs:23:23: 23:24 37 } 38 39 bb2: { 40 _1 = const "A(Empty)"; // scope 0 at $DIR/uninhabited_enum_branching.rs:21:24: 21:34 41 // ty::Const 42 // + ty: &str 43 // + 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 }) 44 // mir::Constant 45 // + span: $DIR/uninhabited_enum_branching.rs:21:24: 21:34 46 // + 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 }) } 47 goto -> bb4; // scope 0 at $DIR/uninhabited_enum_branching.rs:21:24: 21:34 48 } 49 50 bb3: { 51 StorageLive(_4); // scope 0 at $DIR/uninhabited_enum_branching.rs:22:24: 22:34 52 _4 = const "B(Empty)"; // scope 0 at $DIR/uninhabited_enum_branching.rs:22:24: 22:34 53 // ty::Const 54 // + ty: &str 55 // + 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 }) 56 // mir::Constant 57 // + span: $DIR/uninhabited_enum_branching.rs:22:24: 22:34 58 // + 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 }) } 59 _1 = &(*_4); // scope 0 at $DIR/uninhabited_enum_branching.rs:22:24: 22:34 60 StorageDead(_4); // scope 0 at $DIR/uninhabited_enum_branching.rs:22:33: 22:34 61 goto -> bb4; // scope 0 at $DIR/uninhabited_enum_branching.rs:22:33: 22:34 62 } 63 64 bb4: { 65 StorageDead(_2); // scope 0 at $DIR/uninhabited_enum_branching.rs:24:6: 24:7 66 StorageDead(_1); // scope 0 at $DIR/uninhabited_enum_branching.rs:24:6: 24:7 67 StorageLive(_6); // scope 0 at $DIR/uninhabited_enum_branching.rs:26:5: 29:6 68 StorageLive(_7); // scope 0 at $DIR/uninhabited_enum_branching.rs:26:11: 26:19 69 discriminant(_7) = 0; // scope 0 at $DIR/uninhabited_enum_branching.rs:26:11: 26:19 70 _8 = discriminant(_7); // scope 0 at $DIR/uninhabited_enum_branching.rs:26:11: 26:19 71 switchInt(move _8) -> [4_isize: bb6, otherwise: bb5]; // scope 0 at $DIR/uninhabited_enum_branching.rs:26:5: 26:19 72 } 73 74 bb5: { 75 StorageLive(_9); // scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24 76 _9 = const "E"; // scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24 77 // ty::Const 78 // + ty: &str 79 // + 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 }) 80 // mir::Constant 81 // + span: $DIR/uninhabited_enum_branching.rs:28:21: 28:24 82 // + 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 }) } 83 _6 = &(*_9); // scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24 84 StorageDead(_9); // scope 0 at $DIR/uninhabited_enum_branching.rs:28:23: 28:24 85 goto -> bb7; // scope 0 at $DIR/uninhabited_enum_branching.rs:28:23: 28:24 86 } 87 88 bb6: { 89 _6 = const "D"; // scope 0 at $DIR/uninhabited_enum_branching.rs:27:21: 27:24 90 // ty::Const 91 // + ty: &str 92 // + 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 }) 93 // mir::Constant 94 // + span: $DIR/uninhabited_enum_branching.rs:27:21: 27:24 95 // + 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 }) } 96 goto -> bb7; // scope 0 at $DIR/uninhabited_enum_branching.rs:27:21: 27:24 97 } 98 99 bb7: { 100 StorageDead(_7); // scope 0 at $DIR/uninhabited_enum_branching.rs:29:6: 29:7 101 StorageDead(_6); // scope 0 at $DIR/uninhabited_enum_branching.rs:29:6: 29:7 102 _0 = const (); // scope 0 at $DIR/uninhabited_enum_branching.rs:19:11: 30:2 103 return; // scope 0 at $DIR/uninhabited_enum_branching.rs:30:2: 30:2 104 } 105 } 106 107