Tweak consts_may_unify
#124610
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Tweak consts_may_unify
#124610
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@bors try @rust-timer queue |
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Speed up fast rejection r? `@ghost`
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☀️ Try build successful - checks-actions |
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Finished benchmarking commit (1e6d65e): comparison URL. Overall result: ✅ improvements - no action neededBenchmarking this pull request likely means that it is perf-sensitive, so we're automatically marking it as not fit for rolling up. While you can manually mark this PR as fit for rollup, we strongly recommend not doing so since this PR may lead to changes in compiler perf. @bors rollup=never Instruction countThis is a highly reliable metric that was used to determine the overall result at the top of this comment.
Max RSS (memory usage)This benchmark run did not return any relevant results for this metric. CyclesThis benchmark run did not return any relevant results for this metric. Binary sizeThis benchmark run did not return any relevant results for this metric. Bootstrap: 671.059s -> 673.653s (0.39%) |
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Interesting: this was a win locally on |
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I was hoping for a speed win, which didn't happen. But this small cleanup is probably still worth merging. |
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@bors rollup |
`ConstKind::Value` is the only variant where control flow leaves the first match on `impl_ct.kind()`, so there is no need for a second match on the same expression later on.
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yeah, it's an improvement even when ignoring perf 👍 @bors r+ |
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Tweak `consts_may_unify` r? `@lcnr`
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Tweak `consts_may_unify` r? ``@lcnr``
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Rollup of 8 pull requests Successful merges: - rust-lang#124412 (io safety: update Unix explanation to use `Arc`) - rust-lang#124441 (String.truncate comment microfix (greater or equal)) - rust-lang#124594 (run-make-support: preserve tooks.mk behavior for EXTRACXXFLAGS) - rust-lang#124604 (library/std: Remove unused `gimli-symbolize` feature) - rust-lang#124607 (`rustc_expand` cleanups) - rust-lang#124609 (variable-precision float operations can differ depending on optimization levels) - rust-lang#124610 (Tweak `consts_may_unify`) - rust-lang#124612 (Add support for inputing via stdin with run-make-support) r? `@ghost` `@rustbot` modify labels: rollup
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Tweak `consts_may_unify` r? ```@lcnr```
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Rollup of 7 pull requests Successful merges: - rust-lang#124441 (String.truncate comment microfix (greater or equal)) - rust-lang#124594 (run-make-support: preserve tooks.mk behavior for EXTRACXXFLAGS) - rust-lang#124604 (library/std: Remove unused `gimli-symbolize` feature) - rust-lang#124607 (`rustc_expand` cleanups) - rust-lang#124609 (variable-precision float operations can differ depending on optimization levels) - rust-lang#124610 (Tweak `consts_may_unify`) - rust-lang#124637 (AST pretty: Use `builtin_syntax` for type ascription) Failed merges: - rust-lang#124638 (Move some tests from `rustc_expand` to `rustc_parse`.) r? `@ghost` `@rustbot` modify labels: rollup
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…iaskrgr Rollup of 10 pull requests Successful merges: - rust-lang#123480 (deref patterns: impl `DerefPure` for more std types) - rust-lang#124412 (io safety: update Unix explanation to use `Arc`) - rust-lang#124441 (String.truncate comment microfix (greater or equal)) - rust-lang#124594 (run-make-support: preserve tooks.mk behavior for EXTRACXXFLAGS) - rust-lang#124604 (library/std: Remove unused `gimli-symbolize` feature) - rust-lang#124607 (`rustc_expand` cleanups) - rust-lang#124609 (variable-precision float operations can differ depending on optimization levels) - rust-lang#124610 (Tweak `consts_may_unify`) - rust-lang#124626 (const_eval_select: add tracking issue) - rust-lang#124637 (AST pretty: Use `builtin_syntax` for type ascription) Failed merges: - rust-lang#124638 (Move some tests from `rustc_expand` to `rustc_parse`.) r? `@ghost` `@rustbot` modify labels: rollup
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May 3, 2024
Rollup merge of rust-lang#124610 - nnethercote:typenum, r=lcnr Tweak `consts_may_unify` r? ````@lcnr````
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r? @lcnr