rust/tests/mir-opt/const_prop/mutable_variable_aggregate_mut_ref.main.GVN.diff
2023-12-24 20:08:57 +00:00

42 lines
927 B
Diff

- // MIR for `main` before GVN
+ // MIR for `main` after GVN
fn main() -> () {
let mut _0: ();
let mut _1: (i32, i32);
scope 1 {
debug x => _1;
let _2: &mut (i32, i32);
scope 2 {
debug z => _2;
let _3: (i32, i32);
scope 3 {
debug y => _3;
}
}
}
bb0: {
StorageLive(_1);
- _1 = (const 42_i32, const 43_i32);
- StorageLive(_2);
+ _1 = const (42_i32, 43_i32);
+ nop;
_2 = &mut _1;
((*_2).1: i32) = const 99_i32;
StorageLive(_3);
_3 = _1;
_0 = const ();
StorageDead(_3);
- StorageDead(_2);
+ nop;
StorageDead(_1);
return;
}
+ }
+
+ ALLOC0 (size: 8, align: 4) {
+ 2a 00 00 00 2b 00 00 00 │ *...+...
}