1 // MIR for `main` after SimplifyCfg-initial
3 | User Type Annotations
4 | 0: user_ty: Canonical { max_universe: U0, variables: [], value: Ty(std::option::Option<std::boxed::Box<u32>>) }, span: $DIR/basic_assignment.rs:18:17: 18:33, inferred_ty: std::option::Option<std::boxed::Box<u32>>
5 | 1: user_ty: Canonical { max_universe: U0, variables: [], value: Ty(std::option::Option<std::boxed::Box<u32>>) }, span: $DIR/basic_assignment.rs:18:17: 18:33, inferred_ty: std::option::Option<std::boxed::Box<u32>>
8 let mut _0: (); // return place in scope 0 at $DIR/basic_assignment.rs:10:11: 10:11
9 let _1: bool; // in scope 0 at $DIR/basic_assignment.rs:11:9: 11:17
10 let mut _3: bool; // in scope 0 at $DIR/basic_assignment.rs:16:16: 16:24
11 let mut _6: std::option::Option<std::boxed::Box<u32>>; // in scope 0 at $DIR/basic_assignment.rs:23:14: 23:20
13 debug nodrop_x => _1; // in scope 1 at $DIR/basic_assignment.rs:11:9: 11:17
14 let _2: bool; // in scope 1 at $DIR/basic_assignment.rs:12:9: 12:17
16 debug nodrop_y => _2; // in scope 2 at $DIR/basic_assignment.rs:12:9: 12:17
17 let _4: std::option::Option<std::boxed::Box<u32>> as UserTypeProjection { base: UserType(0), projs: [] }; // in scope 2 at $DIR/basic_assignment.rs:18:9: 18:15
19 debug drop_x => _4; // in scope 3 at $DIR/basic_assignment.rs:18:9: 18:15
20 let _5: std::option::Option<std::boxed::Box<u32>>; // in scope 3 at $DIR/basic_assignment.rs:19:9: 19:15
22 debug drop_y => _5; // in scope 4 at $DIR/basic_assignment.rs:19:9: 19:15
29 StorageLive(_1); // scope 0 at $DIR/basic_assignment.rs:11:9: 11:17
30 _1 = const false; // scope 0 at $DIR/basic_assignment.rs:11:20: 11:25
31 FakeRead(ForLet(None), _1); // scope 0 at $DIR/basic_assignment.rs:11:9: 11:17
32 StorageLive(_2); // scope 1 at $DIR/basic_assignment.rs:12:9: 12:17
33 StorageLive(_3); // scope 2 at $DIR/basic_assignment.rs:16:16: 16:24
34 _3 = _1; // scope 2 at $DIR/basic_assignment.rs:16:16: 16:24
35 _2 = move _3; // scope 2 at $DIR/basic_assignment.rs:16:5: 16:24
36 StorageDead(_3); // scope 2 at $DIR/basic_assignment.rs:16:23: 16:24
37 StorageLive(_4); // scope 2 at $DIR/basic_assignment.rs:18:9: 18:15
38 _4 = Option::<Box<u32>>::None; // scope 2 at $DIR/basic_assignment.rs:18:36: 18:40
39 FakeRead(ForLet(None), _4); // scope 2 at $DIR/basic_assignment.rs:18:9: 18:15
40 AscribeUserType(_4, o, UserTypeProjection { base: UserType(1), projs: [] }); // scope 2 at $DIR/basic_assignment.rs:18:17: 18:33
41 StorageLive(_5); // scope 3 at $DIR/basic_assignment.rs:19:9: 19:15
42 StorageLive(_6); // scope 4 at $DIR/basic_assignment.rs:23:14: 23:20
43 _6 = move _4; // scope 4 at $DIR/basic_assignment.rs:23:14: 23:20
44 replace(_5 <- move _6) -> [return: bb1, unwind: bb5]; // scope 4 at $DIR/basic_assignment.rs:23:5: 23:11
48 drop(_6) -> [return: bb2, unwind: bb6]; // scope 4 at $DIR/basic_assignment.rs:23:19: 23:20
52 StorageDead(_6); // scope 4 at $DIR/basic_assignment.rs:23:19: 23:20
53 _0 = const (); // scope 0 at $DIR/basic_assignment.rs:10:11: 24:2
54 drop(_5) -> [return: bb3, unwind: bb7]; // scope 3 at $DIR/basic_assignment.rs:24:1: 24:2
58 StorageDead(_5); // scope 3 at $DIR/basic_assignment.rs:24:1: 24:2
59 drop(_4) -> [return: bb4, unwind: bb8]; // scope 2 at $DIR/basic_assignment.rs:24:1: 24:2
63 StorageDead(_4); // scope 2 at $DIR/basic_assignment.rs:24:1: 24:2
64 StorageDead(_2); // scope 1 at $DIR/basic_assignment.rs:24:1: 24:2
65 StorageDead(_1); // scope 0 at $DIR/basic_assignment.rs:24:1: 24:2
66 return; // scope 0 at $DIR/basic_assignment.rs:24:2: 24:2
70 drop(_6) -> bb6; // scope 4 at $DIR/basic_assignment.rs:23:19: 23:20
74 drop(_5) -> bb7; // scope 3 at $DIR/basic_assignment.rs:24:1: 24:2
78 drop(_4) -> bb8; // scope 2 at $DIR/basic_assignment.rs:24:1: 24:2
82 resume; // scope 0 at $DIR/basic_assignment.rs:10:1: 24:2