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|
// MIR for `main` after SimplifyCfg-initial
| User Type Annotations
| 0: user_ty: Canonical { value: Ty(std::option::Option<std::boxed::Box<u32>>), max_universe: U0, variables: [] }, span: $DIR/basic_assignment.rs:38:17: 38:33, inferred_ty: std::option::Option<std::boxed::Box<u32>>
| 1: user_ty: Canonical { value: Ty(std::option::Option<std::boxed::Box<u32>>), max_universe: U0, variables: [] }, span: $DIR/basic_assignment.rs:38:17: 38:33, inferred_ty: std::option::Option<std::boxed::Box<u32>>
|
fn main() -> () {
let mut _0: ();
let _1: bool;
let mut _3: bool;
let mut _6: std::option::Option<std::boxed::Box<u32>>;
scope 1 {
debug nodrop_x => _1;
let _2: bool;
scope 2 {
debug nodrop_y => _2;
let _4: std::option::Option<std::boxed::Box<u32>> as UserTypeProjection { base: UserType(0), projs: [] };
scope 3 {
debug drop_x => _4;
let _5: std::option::Option<std::boxed::Box<u32>>;
scope 4 {
debug drop_y => _5;
}
}
}
}
bb0: {
StorageLive(_1);
_1 = const false;
FakeRead(ForLet(None), _1);
StorageLive(_2);
StorageLive(_3);
_3 = _1;
_2 = move _3;
StorageDead(_3);
StorageLive(_4);
_4 = Option::<Box<u32>>::None;
FakeRead(ForLet(None), _4);
AscribeUserType(_4, o, UserTypeProjection { base: UserType(1), projs: [] });
StorageLive(_5);
StorageLive(_6);
_6 = move _4;
drop(_5) -> [return: bb1, unwind: bb2];
}
bb1: {
_5 = move _6;
drop(_6) -> [return: bb3, unwind: bb6];
}
bb2 (cleanup): {
_5 = move _6;
drop(_6) -> [return: bb6, unwind terminate(cleanup)];
}
bb3: {
StorageDead(_6);
_0 = const ();
drop(_5) -> [return: bb4, unwind: bb7];
}
bb4: {
StorageDead(_5);
drop(_4) -> [return: bb5, unwind: bb8];
}
bb5: {
StorageDead(_4);
StorageDead(_2);
StorageDead(_1);
return;
}
bb6 (cleanup): {
drop(_5) -> [return: bb7, unwind terminate(cleanup)];
}
bb7 (cleanup): {
drop(_4) -> [return: bb8, unwind terminate(cleanup)];
}
bb8 (cleanup): {
resume;
}
}
|
