mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-27 01:04:03 +00:00
46 lines
992 B
Diff
46 lines
992 B
Diff
- // MIR for `wrap_unwrap` before GVN
|
|
+ // MIR for `wrap_unwrap` after GVN
|
|
|
|
fn wrap_unwrap(_1: T) -> T {
|
|
debug x => _1;
|
|
let mut _0: T;
|
|
let mut _2: std::option::Option<T>;
|
|
let mut _3: T;
|
|
let mut _4: isize;
|
|
let _5: T;
|
|
let mut _6: !;
|
|
scope 1 {
|
|
debug y => _5;
|
|
}
|
|
|
|
bb0: {
|
|
StorageLive(_2);
|
|
- StorageLive(_3);
|
|
- _3 = _1;
|
|
- _2 = Option::<T>::Some(move _3);
|
|
- StorageDead(_3);
|
|
+ _2 = Option::<T>::Some(_1);
|
|
_4 = discriminant(_2);
|
|
switchInt(move _4) -> [0: bb1, 1: bb3, otherwise: bb2];
|
|
}
|
|
|
|
bb1: {
|
|
StorageLive(_6);
|
|
_6 = begin_panic::<&str>(const "explicit panic") -> unwind continue;
|
|
}
|
|
|
|
bb2: {
|
|
unreachable;
|
|
}
|
|
|
|
bb3: {
|
|
- StorageLive(_5);
|
|
_5 = ((_2 as Some).0: T);
|
|
_0 = _5;
|
|
- StorageDead(_5);
|
|
StorageDead(_2);
|
|
return;
|
|
}
|
|
}
|
|
|