rust/tests/mir-opt/copy-prop/reborrow.remut.CopyProp.pan...

48 lines
1.1 KiB
Diff

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