rust/tests/mir-opt/copy-prop/reborrow.demiraw.CopyProp.p...

54 lines
1.2 KiB
Diff

- // MIR for `demiraw` before CopyProp
+ // MIR for `demiraw` after CopyProp
fn demiraw(_1: u8) -> () {
debug x => _1;
let mut _0: ();
let _2: *mut u8;
let mut _4: &mut u8;
let _6: ();
let mut _7: *mut u8;
scope 1 {
debug a => _2;
let _3: &mut u8;
scope 2 {
debug b => _3;
let _5: *mut u8;
scope 4 {
- debug c => _5;
+ debug c => _2;
}
}
scope 3 {
}
}
bb0: {
- StorageLive(_2);
_2 = &raw mut _1;
StorageLive(_3);
StorageLive(_4);
_4 = &mut (*_2);
_3 = &mut (*_4);
StorageDead(_4);
- StorageLive(_5);
- _5 = _2;
StorageLive(_6);
- StorageLive(_7);
- _7 = _5;
- _6 = opaque::<*mut u8>(move _7) -> [return: bb1, unwind unreachable];
+ _6 = opaque::<*mut u8>(_2) -> [return: bb1, unwind unreachable];
}
bb1: {
- StorageDead(_7);
StorageDead(_6);
_0 = const ();
- StorageDead(_5);
StorageDead(_3);
- StorageDead(_2);
return;
}
}