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:+0:11: +0:11
9 let _1: bool; // in scope 0 at $DIR/basic_assignment.rs:+1:9: +1:17
10 let mut _3: bool; // in scope 0 at $DIR/basic_assignment.rs:+6:16: +6:24
11 let mut _6: std::option::Option<std::boxed::Box<u32>>; // in scope 0 at $DIR/basic_assignment.rs:+13:14: +13:20
13 debug nodrop_x => _1; // in scope 1 at $DIR/basic_assignment.rs:+1:9: +1:17
14 let _2: bool; // in scope 1 at $DIR/basic_assignment.rs:+2:9: +2:17
16 debug nodrop_y => _2; // in scope 2 at $DIR/basic_assignment.rs:+2:9: +2:17
17 let _4: std::option::Option<std::boxed::Box<u32>> as UserTypeProjection { base: UserType(0), projs: [] }; // in scope 2 at $DIR/basic_assignment.rs:+8:9: +8:15
19 debug drop_x => _4; // in scope 3 at $DIR/basic_assignment.rs:+8:9: +8:15
20 let _5: std::option::Option<std::boxed::Box<u32>>; // in scope 3 at $DIR/basic_assignment.rs:+9:9: +9:15
22 debug drop_y => _5; // in scope 4 at $DIR/basic_assignment.rs:+9:9: +9:15
29 StorageLive(_1); // scope 0 at $DIR/basic_assignment.rs:+1:9: +1:17
30 _1 = const false; // scope 0 at $DIR/basic_assignment.rs:+1:20: +1:25
31 FakeRead(ForLet(None), _1); // scope 0 at $DIR/basic_assignment.rs:+1:9: +1:17
32 StorageLive(_2); // scope 1 at $DIR/basic_assignment.rs:+2:9: +2:17
33 StorageLive(_3); // scope 2 at $DIR/basic_assignment.rs:+6:16: +6:24
34 _3 = _1; // scope 2 at $DIR/basic_assignment.rs:+6:16: +6:24
35 _2 = move _3; // scope 2 at $DIR/basic_assignment.rs:+6:5: +6:24
36 StorageDead(_3); // scope 2 at $DIR/basic_assignment.rs:+6:23: +6:24
37 StorageLive(_4); // scope 2 at $DIR/basic_assignment.rs:+8:9: +8:15
38 _4 = Option::<Box<u32>>::None; // scope 2 at $DIR/basic_assignment.rs:+8:36: +8:40
39 FakeRead(ForLet(None), _4); // scope 2 at $DIR/basic_assignment.rs:+8:9: +8:15
40 AscribeUserType(_4, o, UserTypeProjection { base: UserType(1), projs: [] }); // scope 2 at $DIR/basic_assignment.rs:+8:17: +8:33
41 StorageLive(_5); // scope 3 at $DIR/basic_assignment.rs:+9:9: +9:15
42 StorageLive(_6); // scope 4 at $DIR/basic_assignment.rs:+13:14: +13:20
43 _6 = move _4; // scope 4 at $DIR/basic_assignment.rs:+13:14: +13:20
44 replace(_5 <- move _6) -> [return: bb1, unwind: bb5]; // scope 4 at $DIR/basic_assignment.rs:+13:5: +13:11
48 drop(_6) -> [return: bb2, unwind: bb6]; // scope 4 at $DIR/basic_assignment.rs:+13:19: +13:20
52 StorageDead(_6); // scope 4 at $DIR/basic_assignment.rs:+13:19: +13:20
53 _0 = const (); // scope 0 at $DIR/basic_assignment.rs:+0:11: +14:2
54 drop(_5) -> [return: bb3, unwind: bb7]; // scope 3 at $DIR/basic_assignment.rs:+14:1: +14:2
58 StorageDead(_5); // scope 3 at $DIR/basic_assignment.rs:+14:1: +14:2
59 drop(_4) -> [return: bb4, unwind: bb8]; // scope 2 at $DIR/basic_assignment.rs:+14:1: +14:2
63 StorageDead(_4); // scope 2 at $DIR/basic_assignment.rs:+14:1: +14:2
64 StorageDead(_2); // scope 1 at $DIR/basic_assignment.rs:+14:1: +14:2
65 StorageDead(_1); // scope 0 at $DIR/basic_assignment.rs:+14:1: +14:2
66 return; // scope 0 at $DIR/basic_assignment.rs:+14:2: +14:2
70 drop(_6) -> bb6; // scope 4 at $DIR/basic_assignment.rs:+13:19: +13:20
74 drop(_5) -> bb7; // scope 3 at $DIR/basic_assignment.rs:+14:1: +14:2
78 drop(_4) -> bb8; // scope 2 at $DIR/basic_assignment.rs:+14:1: +14:2
82 resume; // scope 0 at $DIR/basic_assignment.rs:+0:1: +14:2