rust/tests/mir-opt/gvn_copy_aggregate.enum_identical_variant.GVN.diff, branch master
https://github.com/rust-lang/rust
http://git.dreamy.place/mirrors/rust/atom?h=master
2024-09-14T05:30:35+00:00
Simplify the canonical clone method to copy
2024-09-14T05:30:35+00:00
DianQK
dianqk@dianqk.net
2024-08-21T13:45:47+00:00
urn:sha1:c16c22cc9c4daf4485c78e789c6e2a4bedea83b4
The optimized clone method ends up as the following MIR:
```
_2 = copy ((*_1).0: i32);
_3 = copy ((*_1).1: u64);
_4 = copy ((*_1).2: [i8; 3]);
_0 = Foo { a: move _2, b: move _3, c: move _4 };
```
We can transform this to:
```
_0 = copy (*_1);
```