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| author | Jakob Degen <jakob.e.degen@gmail.com> | 2022-06-05 16:22:54 -0700 |
|---|---|---|
| committer | Jakob Degen <jakob.e.degen@gmail.com> | 2022-06-14 19:41:58 -0700 |
| commit | bc7cd2f351ab35e0830563858e827a2d397d176d (patch) | |
| tree | 00075b320574315ef548e963a7c367c2d50937aa /compiler/rustc_mir_dataflow/src/impls | |
| parent | 02916c4c75912f70b651c0b20b501444ce2ca231 (diff) | |
| download | rust-bc7cd2f351ab35e0830563858e827a2d397d176d.tar.gz rust-bc7cd2f351ab35e0830563858e827a2d397d176d.zip | |
`BitSet` perf improvements
This commit makes two changes: 1. Changes `MaybeLiveLocals` to use `ChunkedBitSet` 2. Overrides the `fold` method for the iterator for `ChunkedBitSet`
Diffstat (limited to 'compiler/rustc_mir_dataflow/src/impls')
| -rw-r--r-- | compiler/rustc_mir_dataflow/src/impls/liveness.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/rustc_mir_dataflow/src/impls/liveness.rs b/compiler/rustc_mir_dataflow/src/impls/liveness.rs index 7076fbe1bdb..51c59e42101 100644 --- a/compiler/rustc_mir_dataflow/src/impls/liveness.rs +++ b/compiler/rustc_mir_dataflow/src/impls/liveness.rs @@ -30,14 +30,14 @@ impl MaybeLiveLocals { } impl<'tcx> AnalysisDomain<'tcx> for MaybeLiveLocals { - type Domain = BitSet<Local>; + type Domain = ChunkedBitSet<Local>; type Direction = Backward; const NAME: &'static str = "liveness"; fn bottom_value(&self, body: &mir::Body<'tcx>) -> Self::Domain { // bottom = not live - BitSet::new_empty(body.local_decls.len()) + ChunkedBitSet::new_empty(body.local_decls.len()) } fn initialize_start_block(&self, _: &mir::Body<'tcx>, _: &mut Self::Domain) { |