rust/tests/mir-opt/gvn_copy_aggregate.deref_nonssa.GVN.diff

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1.1 KiB
Diff

- // MIR for `deref_nonssa` before GVN
+ // MIR for `deref_nonssa` after GVN
fn deref_nonssa() -> Single {
let mut _0: Single;
let mut _1: Single;
let mut _4: Single;
let mut _5: u8;
scope 1 {
debug a => _1;
let _2: &Single;
scope 2 {
debug b => _2;
let _3: u8;
scope 3 {
debug c => _3;
}
}
}
bb0: {
StorageLive(_1);
- _1 = Single(const 0_u8);
+ _1 = const Single(0_u8);
StorageLive(_2);
_2 = &_1;
- StorageLive(_3);
+ nop;
_3 = copy ((*_2).0: u8);
StorageLive(_4);
- _4 = Single(const 1_u8);
- _1 = move _4;
+ _4 = const Single(1_u8);
+ _1 = const Single(1_u8);
StorageDead(_4);
StorageLive(_5);
_5 = copy _3;
- _0 = Single(move _5);
+ _0 = Single(copy _3);
StorageDead(_5);
- StorageDead(_3);
+ nop;
StorageDead(_2);
StorageDead(_1);
return;
}
}