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|
// MIR for `main` after SimplifyCfg-initial
| User Type Annotations
| 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>>
| 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>>
|
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/basic_assignment.rs:+0:11: +0:11
let _1: bool; // in scope 0 at $DIR/basic_assignment.rs:+1:9: +1:17
let mut _3: bool; // in scope 0 at $DIR/basic_assignment.rs:+6:16: +6:24
let mut _6: std::option::Option<std::boxed::Box<u32>>; // in scope 0 at $DIR/basic_assignment.rs:+13:14: +13:20
scope 1 {
debug nodrop_x => _1; // in scope 1 at $DIR/basic_assignment.rs:+1:9: +1:17
let _2: bool; // in scope 1 at $DIR/basic_assignment.rs:+2:9: +2:17
scope 2 {
debug nodrop_y => _2; // in scope 2 at $DIR/basic_assignment.rs:+2:9: +2:17
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
scope 3 {
debug drop_x => _4; // in scope 3 at $DIR/basic_assignment.rs:+8:9: +8:15
let _5: std::option::Option<std::boxed::Box<u32>>; // in scope 3 at $DIR/basic_assignment.rs:+9:9: +9:15
scope 4 {
debug drop_y => _5; // in scope 4 at $DIR/basic_assignment.rs:+9:9: +9:15
}
}
}
}
bb0: {
StorageLive(_1); // scope 0 at $DIR/basic_assignment.rs:+1:9: +1:17
_1 = const false; // scope 0 at $DIR/basic_assignment.rs:+1:20: +1:25
FakeRead(ForLet(None), _1); // scope 0 at $DIR/basic_assignment.rs:+1:9: +1:17
StorageLive(_2); // scope 1 at $DIR/basic_assignment.rs:+2:9: +2:17
StorageLive(_3); // scope 2 at $DIR/basic_assignment.rs:+6:16: +6:24
_3 = _1; // scope 2 at $DIR/basic_assignment.rs:+6:16: +6:24
_2 = move _3; // scope 2 at $DIR/basic_assignment.rs:+6:5: +6:24
StorageDead(_3); // scope 2 at $DIR/basic_assignment.rs:+6:23: +6:24
StorageLive(_4); // scope 2 at $DIR/basic_assignment.rs:+8:9: +8:15
_4 = Option::<Box<u32>>::None; // scope 2 at $DIR/basic_assignment.rs:+8:36: +8:40
FakeRead(ForLet(None), _4); // scope 2 at $DIR/basic_assignment.rs:+8:9: +8:15
AscribeUserType(_4, o, UserTypeProjection { base: UserType(1), projs: [] }); // scope 2 at $DIR/basic_assignment.rs:+8:17: +8:33
StorageLive(_5); // scope 3 at $DIR/basic_assignment.rs:+9:9: +9:15
StorageLive(_6); // scope 4 at $DIR/basic_assignment.rs:+13:14: +13:20
_6 = move _4; // scope 4 at $DIR/basic_assignment.rs:+13:14: +13:20
replace(_5 <- move _6) -> [return: bb1, unwind: bb5]; // scope 4 at $DIR/basic_assignment.rs:+13:5: +13:11
}
bb1: {
drop(_6) -> [return: bb2, unwind: bb6]; // scope 4 at $DIR/basic_assignment.rs:+13:19: +13:20
}
bb2: {
StorageDead(_6); // scope 4 at $DIR/basic_assignment.rs:+13:19: +13:20
_0 = const (); // scope 0 at $DIR/basic_assignment.rs:+0:11: +14:2
drop(_5) -> [return: bb3, unwind: bb7]; // scope 3 at $DIR/basic_assignment.rs:+14:1: +14:2
}
bb3: {
StorageDead(_5); // scope 3 at $DIR/basic_assignment.rs:+14:1: +14:2
drop(_4) -> [return: bb4, unwind: bb8]; // scope 2 at $DIR/basic_assignment.rs:+14:1: +14:2
}
bb4: {
StorageDead(_4); // scope 2 at $DIR/basic_assignment.rs:+14:1: +14:2
StorageDead(_2); // scope 1 at $DIR/basic_assignment.rs:+14:1: +14:2
StorageDead(_1); // scope 0 at $DIR/basic_assignment.rs:+14:1: +14:2
return; // scope 0 at $DIR/basic_assignment.rs:+14:2: +14:2
}
bb5 (cleanup): {
drop(_6) -> bb6; // scope 4 at $DIR/basic_assignment.rs:+13:19: +13:20
}
bb6 (cleanup): {
drop(_5) -> bb7; // scope 3 at $DIR/basic_assignment.rs:+14:1: +14:2
}
bb7 (cleanup): {
drop(_4) -> bb8; // scope 2 at $DIR/basic_assignment.rs:+14:1: +14:2
}
bb8 (cleanup): {
resume; // scope 0 at $DIR/basic_assignment.rs:+0:1: +14:2
}
}
|
