Rewrite inline attribute parser to use new infrastructure and improve diagnostics for all parsed attributes
#138165
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jdonszelmann
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Mar 8, 2025
| @@ -584,7 +546,6 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { | |||
| return OptimizeAttr::Default; | |||
| }; | |||
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| inline_span = Some(attr.span()); | |||
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This fixes #137950
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☔ The latest upstream changes (presumably #138302) made this pull request unmergeable. Please resolve the merge conflicts. |
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@rustbot review |
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ah shit, broke clippy 😭 |
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☀️ Test successful - checks-actions |
What is this?This is an experimental post-merge analysis report that shows differences in test outcomes between the merged PR and its parent PR.Comparing 27733d4 (parent) -> 1bb3352 (this PR) Test differencesShow 284 test diffsStage 1
Stage 2
(and 184 additional test diffs) Job group index
Test dashboardRun cargo run --manifest-path src/ci/citool/Cargo.toml -- \
test-dashboard 1bb335244c311a07cee165c28c553c869e6f64a9 --output-dir test-dashboardAnd then open Job duration changes
How to interpret the job duration changes?Job durations can vary a lot, based on the actual runner instance |
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Yay! |
This was referenced Jun 18, 2025
nnethercote
reviewed
Jun 18, 2025
| // Latest feature: rustdoc JSON: Don't apply #[repr] privacy heuristics | ||
| pub const FORMAT_VERSION: u32 = 46; | ||
| // Latest feature: Pretty printing of inline attributes changed | ||
| pub const FORMAT_VERSION: u32 = 48; |
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Uh, we skipped 47. Oh well, not much to be done about it now.
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@GuillaumeGomez: when you add the (tidy?) check for updating the number and comment in tandem, could you also add a check that the number is being increased by one?
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I opened #142677 for that. But that's a good point. Added to my TODO list.
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#138165 (comment), earlier it was thaught that someone else was going to do 46->47, to this should do 47->48. I think the takeaways are:
a) Don't try to be too clever and do a double bounce
b) #142601 should fix this. 🤞
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I've published rustdoc-types = "0.48.0", with a note that 0.47.0/format_version=47 will never exist. https://github.com/rust-lang/rustdoc-types/blob/trunk/CHANGELOG.md#v0.48.0
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I've published rustdoc-types = "0.48.0", with a note that 0.47.0/format_version=47 will never exist. https://github.com/rust-lang/rustdoc-types/blob/trunk/CHANGELOG.md#v0.48.0
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Finished benchmarking commit (1bb3352): comparison URL. Overall result: ❌ regressions - please read the text belowOur benchmarks found a performance regression caused by this PR. Next Steps:
@rustbot label: +perf-regression Instruction countOur most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.
Max RSS (memory usage)Results (primary -0.8%, secondary -1.0%)A less reliable metric. May be of interest, but not used to determine the overall result above.
CyclesResults (secondary 4.2%)A less reliable metric. May be of interest, but not used to determine the overall result above.
Binary sizeResults (primary 0.1%, secondary 0.2%)A less reliable metric. May be of interest, but not used to determine the overall result above.
Bootstrap: 693.071s -> 692.01s (-0.15%) |
jhpratt
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Jun 19, 2025
rewrite `optimize` attribute to use new attribute parsing infrastructure r? `@oli-obk` I'm afraid we'll get quite a few of these PRs in the future. If we get a lot of trivial changes I'll start merging multiple into one PR. They should be easy to review :) Waiting on rust-lang#138165 first
tgross35
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Jun 20, 2025
rewrite `optimize` attribute to use new attribute parsing infrastructure r? ``@oli-obk`` I'm afraid we'll get quite a few of these PRs in the future. If we get a lot of trivial changes I'll start merging multiple into one PR. They should be easy to review :) Waiting on rust-lang#138165 first
tgross35
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rewrite `optimize` attribute to use new attribute parsing infrastructure r? ```@oli-obk``` I'm afraid we'll get quite a few of these PRs in the future. If we get a lot of trivial changes I'll start merging multiple into one PR. They should be easy to review :) Waiting on rust-lang#138165 first
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@jdonszelmann Is the binary size jump expected? I thought this would only change the infrastructure but not actual inlining? |
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@oli-obk and I have been looking at this this morning. It has to do with attribute encoding cross crate and I'm working on a fix. The fix is luckily rather simple, but it was definitely an unexpected side effect. I expect to be busy for an hour or so more and then have a pr ready :) |
bors
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Jun 20, 2025
Encode hir attributes cross-crate properly r? `@oli-obk` This should return the lost perf in #138165 cc: `@therealprof`
rust-timer
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Jun 20, 2025
Rollup merge of #138291 - jdonszelmann:optimize-attr, r=oli-obk rewrite `optimize` attribute to use new attribute parsing infrastructure r? ```@oli-obk``` I'm afraid we'll get quite a few of these PRs in the future. If we get a lot of trivial changes I'll start merging multiple into one PR. They should be easy to review :) Waiting on #138165 first
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r? @oli-obk
This PR:
Builds on top of #138164
Closes #137950