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| author | bors <bors@rust-lang.org> | 2023-06-19 04:48:35 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2023-06-19 04:48:35 +0000 |
| commit | 8d1fa473dddd12efb2430302e5f5dfcc3eb73f8b (patch) | |
| tree | 13667f96de6a9b4b688b2f98f67cd8425d81cd7c /compiler/rustc_ast/src/util/parser.rs | |
| parent | c911e085144324110b4b51b333e71444861b0d17 (diff) | |
| parent | 3ec4eeddefcf022af3aafab708d36830f40d8a47 (diff) | |
| download | rust-8d1fa473dddd12efb2430302e5f5dfcc3eb73f8b.tar.gz rust-8d1fa473dddd12efb2430302e5f5dfcc3eb73f8b.zip | |
Auto merge of #112724 - scottmcm:simpler-unchecked-shifts, r=Mark-Simulacrum
[libs] Simplify `unchecked_{shl,shr}`
There's no need for the `const_eval_select` dance here. And while I originally wrote the `.try_into().unwrap_unchecked()` implementation here, it's kinda a mess in MIR -- this new one is substantially simpler, as shown by the old one being above the inlining threshold but the new one being below it in the `mir-opt/inline/unchecked_shifts` tests.
We don't need `u32::checked_shl` doing a dance through both `Result` *and* `Option` 🙃
Diffstat (limited to 'compiler/rustc_ast/src/util/parser.rs')
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