mirror of
https://github.com/rust-lang/rust
synced 2024-09-21 17:32:54 +00:00
2beabbbf6f
It makes it sound like the `ExprKind` and `Rvalue` are supposed to represent all pointer related casts, when in reality their just used to share a some enum variants. Make it clear there these are only coercion to make it clear why only some pointer related "casts" are in the enum.
45 lines
1 KiB
Diff
45 lines
1 KiB
Diff
- // MIR for `array_len_reborrow` before NormalizeArrayLen
|
|
+ // MIR for `array_len_reborrow` after NormalizeArrayLen
|
|
|
|
fn array_len_reborrow(_1: [u8; N]) -> usize {
|
|
debug arr => _1;
|
|
let mut _0: usize;
|
|
let _2: &mut [u8];
|
|
let mut _3: &mut [u8; N];
|
|
let mut _4: &mut [u8; N];
|
|
let mut _6: &[u8];
|
|
scope 1 {
|
|
debug arr => _2;
|
|
let _5: &[u8];
|
|
scope 2 {
|
|
debug arr => _5;
|
|
}
|
|
}
|
|
|
|
bb0: {
|
|
StorageLive(_2);
|
|
StorageLive(_3);
|
|
StorageLive(_4);
|
|
_4 = &mut _1;
|
|
_3 = &mut (*_4);
|
|
_2 = move _3 as &mut [u8] (PointerCoercion(Unsize));
|
|
StorageDead(_3);
|
|
StorageDead(_4);
|
|
StorageLive(_5);
|
|
_5 = &(*_2);
|
|
StorageLive(_6);
|
|
_6 = &(*_5);
|
|
- _0 = Len((*_6));
|
|
+ _0 = const N;
|
|
goto -> bb1;
|
|
}
|
|
|
|
bb1: {
|
|
StorageDead(_6);
|
|
StorageDead(_5);
|
|
StorageDead(_2);
|
|
return;
|
|
}
|
|
}
|
|
|