mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-24 22:44:26 +00:00
51 lines
1.2 KiB
Diff
51 lines
1.2 KiB
Diff
- // MIR for `foo` before SimplifyLocals-final
|
|
+ // MIR for `foo` after SimplifyLocals-final
|
|
|
|
fn foo() -> () {
|
|
let mut _0: ();
|
|
let mut _1: (std::option::Option<u8>, std::option::Option<T>);
|
|
let mut _2: std::option::Option<u8>;
|
|
let mut _3: std::option::Option<T>;
|
|
let mut _4: isize;
|
|
let mut _5: isize;
|
|
scope 1 {
|
|
debug a => _6;
|
|
let _6: u8;
|
|
}
|
|
|
|
bb0: {
|
|
StorageLive(_1);
|
|
StorageLive(_2);
|
|
_2 = Option::<u8>::None;
|
|
StorageLive(_3);
|
|
_3 = Option::<T>::None;
|
|
_1 = (move _2, move _3);
|
|
StorageDead(_3);
|
|
StorageDead(_2);
|
|
_5 = discriminant((_1.0: std::option::Option<u8>));
|
|
switchInt(move _5) -> [1: bb1, otherwise: bb3];
|
|
}
|
|
|
|
bb1: {
|
|
_4 = discriminant((_1.1: std::option::Option<T>));
|
|
switchInt(move _4) -> [0: bb2, otherwise: bb3];
|
|
}
|
|
|
|
bb2: {
|
|
StorageLive(_6);
|
|
_6 = (((_1.0: std::option::Option<u8>) as Some).0: u8);
|
|
StorageDead(_6);
|
|
goto -> bb3;
|
|
}
|
|
|
|
bb3: {
|
|
drop(_1) -> [return: bb4, unwind unreachable];
|
|
}
|
|
|
|
bb4: {
|
|
StorageDead(_1);
|
|
return;
|
|
}
|
|
}
|
|
|