rust/tests/mir-opt/reference_prop.mut_raw_then_mut_shr.ReferencePropagation.diff
2023-08-17 17:02:04 +00:00

75 lines
1.9 KiB
Diff

- // MIR for `mut_raw_then_mut_shr` before ReferencePropagation
+ // MIR for `mut_raw_then_mut_shr` after ReferencePropagation
fn mut_raw_then_mut_shr() -> (i32, i32) {
let mut _0: (i32, i32);
let mut _1: i32;
let mut _4: *mut i32;
let mut _5: &mut i32;
let _8: ();
let mut _9: i32;
let mut _10: i32;
scope 1 {
debug x => _1;
let _2: &mut i32;
scope 2 {
debug xref => _2;
let _3: *mut i32;
scope 3 {
- debug xraw => _3;
+ debug xraw => _2;
let _6: &i32;
scope 4 {
- debug xshr => _6;
+ debug xshr => _2;
let _7: i32;
scope 5 {
debug a => _7;
scope 6 {
}
}
}
}
}
}
bb0: {
StorageLive(_1);
_1 = const 2_i32;
- StorageLive(_2);
_2 = &mut _1;
- StorageLive(_3);
- StorageLive(_4);
- StorageLive(_5);
- _5 = &mut (*_2);
- _4 = &raw mut (*_5);
- _3 = _4;
- StorageDead(_5);
- StorageDead(_4);
- StorageLive(_6);
- _6 = &(*_2);
StorageLive(_7);
- _7 = (*_6);
- StorageLive(_8);
- (*_3) = const 4_i32;
- _8 = const ();
- StorageDead(_8);
+ _7 = _1;
+ _1 = const 4_i32;
StorageLive(_9);
_9 = _7;
StorageLive(_10);
_10 = _1;
_0 = (move _9, move _10);
StorageDead(_10);
StorageDead(_9);
StorageDead(_7);
- StorageDead(_6);
- StorageDead(_3);
- StorageDead(_2);
StorageDead(_1);
return;
}
}