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| author | bors <bors@rust-lang.org> | 2021-08-05 14:45:09 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2021-08-05 14:45:09 +0000 |
| commit | 61a941b8badbce727085c505068d72fa3e737f5b (patch) | |
| tree | dd8f7bad1a1277d6fc47e0bf78ad1db40321af27 /compiler/rustc_codegen_llvm/src | |
| parent | e21e1d6a417330af5f4693004230fd0efdf9445a (diff) | |
| parent | 2b169ccc9611ce92d3c5d747fbd99c3e7a990cf0 (diff) | |
| download | rust-61a941b8badbce727085c505068d72fa3e737f5b.tar.gz rust-61a941b8badbce727085c505068d72fa3e737f5b.zip | |
Auto merge of #87737 - LeSeulArtichaut:unsafeck-less-freeze, r=oli-obk
Only compute `is_freeze` for layout-constrained ADTs Places are usually shallow and quick to visit. By contrast, computing `is_freeze` can be much costlier, involving inference and trait solving. Making sure to call `is_freeze` only when necessary should be beneficial for performance in most cases. See [this comparison](https://perf.rust-lang.org/compare.html?start=81f08a4763e7537b92506fa5a597e6bf774d20cc&end=56a58d347b1c7dd0c2984b8fc3930c408e26fbc2&stat=instructions%3Au) from #87710. r? `@oli-obk`
Diffstat (limited to 'compiler/rustc_codegen_llvm/src')
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