src/test/mir-opt/uninhabited_enum_branching.main.SimplifyCfg-after-uninhabited-enum-branching.after.mir

   1 // MIR for `main` after SimplifyCfg-after-uninhabited-enum-branching
   2
   3 fn main() -> () {
   4     let mut _0: ();                      // return place in scope 0 at $DIR/uninhabited_enum_branching.rs:19:11: 19:11
   5     let _1: &str;                        // in scope 0 at $DIR/uninhabited_enum_branching.rs:20:5: 24:6
   6     let mut _2: Test1;                   // in scope 0 at $DIR/uninhabited_enum_branching.rs:20:11: 20:19
   7     let mut _3: isize;                   // in scope 0 at $DIR/uninhabited_enum_branching.rs:21:9: 21:20
   8     let _4: &str;                        // in scope 0 at $DIR/uninhabited_enum_branching.rs:22:24: 22:34
   9     let _5: &str;                        // in scope 0 at $DIR/uninhabited_enum_branching.rs:23:21: 23:24
  10     let _6: &str;                        // in scope 0 at $DIR/uninhabited_enum_branching.rs:26:5: 29:6
  11     let mut _7: Test2;                   // in scope 0 at $DIR/uninhabited_enum_branching.rs:26:11: 26:19
  12     let mut _8: isize;                   // in scope 0 at $DIR/uninhabited_enum_branching.rs:27:9: 27:17
  13     let _9: &str;                        // in scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24
  14
  15     bb0: {
  16         StorageLive(_1);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:20:5: 24:6
  17         StorageLive(_2);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:20:11: 20:19
  18         discriminant(_2) = 2;            // scope 0 at $DIR/uninhabited_enum_branching.rs:20:11: 20:19
  19         _3 = discriminant(_2);           // scope 0 at $DIR/uninhabited_enum_branching.rs:20:11: 20:19
  20         StorageLive(_5);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:23:21: 23:24
  21         _5 = const "C";                  // scope 0 at $DIR/uninhabited_enum_branching.rs:23:21: 23:24
  22                                          // mir::Constant
  23                                          // + span: $DIR/uninhabited_enum_branching.rs:23:21: 23:24
  24                                          // + 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 }) }
  25         _1 = &(*_5);                     // scope 0 at $DIR/uninhabited_enum_branching.rs:23:21: 23:24
  26         StorageDead(_5);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:23:23: 23:24
  27         StorageDead(_2);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:24:6: 24:7
  28         StorageDead(_1);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:24:6: 24:7
  29         StorageLive(_6);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:26:5: 29:6
  30         StorageLive(_7);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:26:11: 26:19
  31         discriminant(_7) = 0;            // scope 0 at $DIR/uninhabited_enum_branching.rs:26:11: 26:19
  32         _8 = discriminant(_7);           // scope 0 at $DIR/uninhabited_enum_branching.rs:26:11: 26:19
  33         switchInt(move _8) -> [4_isize: bb2, otherwise: bb1]; // scope 0 at $DIR/uninhabited_enum_branching.rs:26:5: 26:19
  34     }
  35
  36     bb1: {
  37         StorageLive(_9);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24
  38         _9 = const "E";                  // scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24
  39                                          // mir::Constant
  40                                          // + span: $DIR/uninhabited_enum_branching.rs:28:21: 28:24
  41                                          // + 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 }) }
  42         _6 = &(*_9);                     // scope 0 at $DIR/uninhabited_enum_branching.rs:28:21: 28:24
  43         StorageDead(_9);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:28:23: 28:24
  44         goto -> bb3;                     // scope 0 at $DIR/uninhabited_enum_branching.rs:28:23: 28:24
  45     }
  46
  47     bb2: {
  48         _6 = const "D";                  // scope 0 at $DIR/uninhabited_enum_branching.rs:27:21: 27:24
  49                                          // mir::Constant
  50                                          // + span: $DIR/uninhabited_enum_branching.rs:27:21: 27:24
  51                                          // + 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 }) }
  52         goto -> bb3;                     // scope 0 at $DIR/uninhabited_enum_branching.rs:27:21: 27:24
  53     }
  54
  55     bb3: {
  56         StorageDead(_7);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:29:6: 29:7
  57         StorageDead(_6);                 // scope 0 at $DIR/uninhabited_enum_branching.rs:29:6: 29:7
  58         _0 = const ();                   // scope 0 at $DIR/uninhabited_enum_branching.rs:19:11: 30:2
  59         return;                          // scope 0 at $DIR/uninhabited_enum_branching.rs:30:2: 30:2
  60     }
  61 }