96 lines
2.3 KiB
Diff
96 lines
2.3 KiB
Diff
- // MIR for `main` before Derefer
|
|
+ // MIR for `main` after Derefer
|
|
|
|
fn main() -> () {
|
|
let mut _0: ();
|
|
let mut _1: std::slice::Iter<'_, i32>;
|
|
let mut _2: &[i32; 2];
|
|
let _3: [i32; 2];
|
|
let mut _4: std::slice::Iter<'_, i32>;
|
|
let mut _5: ();
|
|
let _6: ();
|
|
let mut _7: std::option::Option<&i32>;
|
|
let mut _8: &mut std::slice::Iter<'_, i32>;
|
|
let mut _9: &mut std::slice::Iter<'_, i32>;
|
|
let mut _10: isize;
|
|
let mut _11: !;
|
|
let mut _13: i32;
|
|
let mut _14: &[i32; 2];
|
|
+ let mut _15: &i32;
|
|
scope 1 {
|
|
debug iter => _4;
|
|
let _12: i32;
|
|
scope 2 {
|
|
debug foo => _12;
|
|
}
|
|
}
|
|
|
|
bb0: {
|
|
StorageLive(_1);
|
|
StorageLive(_2);
|
|
_14 = const _;
|
|
_2 = &(*_14);
|
|
_1 = <&[i32; 2] as IntoIterator>::into_iter(move _2) -> [return: bb1, unwind continue];
|
|
}
|
|
|
|
bb1: {
|
|
StorageDead(_2);
|
|
PlaceMention(_1);
|
|
StorageLive(_4);
|
|
_4 = move _1;
|
|
goto -> bb2;
|
|
}
|
|
|
|
bb2: {
|
|
StorageLive(_6);
|
|
StorageLive(_7);
|
|
StorageLive(_8);
|
|
StorageLive(_9);
|
|
_9 = &mut _4;
|
|
_8 = &mut (*_9);
|
|
_7 = <std::slice::Iter<'_, i32> as Iterator>::next(move _8) -> [return: bb3, unwind continue];
|
|
}
|
|
|
|
bb3: {
|
|
StorageDead(_8);
|
|
PlaceMention(_7);
|
|
_10 = discriminant(_7);
|
|
switchInt(move _10) -> [0: bb6, 1: bb5, otherwise: bb4];
|
|
}
|
|
|
|
bb4: {
|
|
unreachable;
|
|
}
|
|
|
|
bb5: {
|
|
StorageLive(_12);
|
|
- _12 = (*((_7 as Some).0: &i32));
|
|
+ _15 = deref_copy ((_7 as Some).0: &i32);
|
|
+ _12 = (*_15);
|
|
StorageLive(_13);
|
|
_13 = _12;
|
|
_6 = std::mem::drop::<i32>(move _13) -> [return: bb7, unwind continue];
|
|
}
|
|
|
|
bb6: {
|
|
_0 = const ();
|
|
StorageDead(_9);
|
|
StorageDead(_7);
|
|
StorageDead(_6);
|
|
StorageDead(_4);
|
|
StorageDead(_1);
|
|
return;
|
|
}
|
|
|
|
bb7: {
|
|
StorageDead(_13);
|
|
StorageDead(_12);
|
|
StorageDead(_9);
|
|
StorageDead(_7);
|
|
StorageDead(_6);
|
|
_5 = const ();
|
|
goto -> bb2;
|
|
}
|
|
}
|
|
|