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| author | Dylan MacKenzie <ecstaticmorse@gmail.com> | 2020-05-16 11:59:30 -0700 |
|---|---|---|
| committer | Dylan MacKenzie <ecstaticmorse@gmail.com> | 2020-05-16 17:15:24 -0700 |
| commit | e369d7f4e7cb3dff060dedabb1356b68ff3422c8 (patch) | |
| tree | dc77112d9b5d1e87c79ab7140d0739892a2f14dd /src | |
| parent | 2cba138f4a65a3772c34b240b2a3e64f276083ec (diff) | |
| download | rust-e369d7f4e7cb3dff060dedabb1356b68ff3422c8.tar.gz rust-e369d7f4e7cb3dff060dedabb1356b68ff3422c8.zip | |
Expand comment with possible improvements
Diffstat (limited to 'src')
| -rw-r--r-- | src/librustc_mir/transform/nrvo.rs | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/librustc_mir/transform/nrvo.rs b/src/librustc_mir/transform/nrvo.rs index c33e2eb88e1..557ffe4a6d5 100644 --- a/src/librustc_mir/transform/nrvo.rs +++ b/src/librustc_mir/transform/nrvo.rs @@ -21,8 +21,12 @@ use crate::transform::{MirPass, MirSource}; /// } /// ``` /// -/// For now, this pass is very simple and only capable of eliminating a single copy. -/// A more general version of copy propagation could yield even more benefits. +/// For now, this pass is very simple and only capable of eliminating a single copy. A more general +/// version of copy propagation, such as the one based on non-overlapping live ranges in [#47954] and +/// [#71003], could yield even more benefits. +/// +/// [#47954]: https://github.com/rust-lang/rust/pull/47954 +/// [#71003]: https://github.com/rust-lang/rust/pull/71003 pub struct RenameReturnPlace; impl<'tcx> MirPass<'tcx> for RenameReturnPlace { |