rust/tests/mir-opt/gvn_copy_aggregate.all_copy...

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1.3 KiB
Diff

- // MIR for `all_copy_has_changed` before GVN
+ // MIR for `all_copy_has_changed` after GVN
fn all_copy_has_changed(_1: &mut AllCopy) -> AllCopy {
debug v => _1;
let mut _0: AllCopy;
let _2: i32;
let mut _5: i32;
let mut _6: u64;
let mut _7: [i8; 3];
scope 1 {
debug a => _2;
let _3: u64;
scope 2 {
debug b => _3;
let _4: [i8; 3];
scope 3 {
debug c => _4;
}
}
}
bb0: {
- StorageLive(_2);
+ nop;
_2 = copy ((*_1).0: i32);
- StorageLive(_3);
+ nop;
_3 = copy ((*_1).1: u64);
- StorageLive(_4);
+ nop;
_4 = copy ((*_1).2: [i8; 3]);
((*_1).0: i32) = const 1_i32;
StorageLive(_5);
_5 = copy _2;
StorageLive(_6);
_6 = copy _3;
StorageLive(_7);
_7 = copy _4;
- _0 = AllCopy { a: move _5, b: move _6, c: move _7 };
+ _0 = AllCopy { a: copy _2, b: copy _3, c: copy _4 };
StorageDead(_7);
StorageDead(_6);
StorageDead(_5);
- StorageDead(_4);
- StorageDead(_3);
- StorageDead(_2);
+ nop;
+ nop;
+ nop;
return;
}
}