mirror of
https://github.com/rust-lang/rust
synced 2024-09-21 09:22:41 +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.
27 lines
580 B
Diff
27 lines
580 B
Diff
- // MIR for `array_len` before NormalizeArrayLen
|
|
+ // MIR for `array_len` after NormalizeArrayLen
|
|
|
|
fn array_len(_1: &[u8; N]) -> usize {
|
|
debug arr => _1;
|
|
let mut _0: usize;
|
|
let mut _2: &[u8];
|
|
let mut _3: &[u8; N];
|
|
|
|
bb0: {
|
|
StorageLive(_2);
|
|
StorageLive(_3);
|
|
_3 = &(*_1);
|
|
_2 = move _3 as &[u8] (PointerCoercion(Unsize));
|
|
StorageDead(_3);
|
|
- _0 = Len((*_2));
|
|
+ _0 = const N;
|
|
goto -> bb1;
|
|
}
|
|
|
|
bb1: {
|
|
StorageDead(_2);
|
|
return;
|
|
}
|
|
}
|
|
|