Unify validity checks into a single query #108364
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Some changes occurred in compiler/rustc_codegen_cranelift cc @bjorn3 Some changes occurred to MIR optimizations cc @rust-lang/wg-mir-opt Some changes occurred to the CTFE / Miri engine cc @rust-lang/miri |
Noratrieb
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Previously, there were two queries to check whether a type allows the 0x01 or zeroed bitpattern. I am planning on adding a further initness to check, truly uninit for MaybeUninit, which would make this three queries. This seems overkill for such a small feature, so this PR unifies them into one.
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@bors rollup queue is backed up, shouldn't affect perf (much) |
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Feb 26, 2023
…, r=compiler-errors Unify validity checks into a single query Previously, there were two queries to check whether a type allows the 0x01 or zeroed bitpattern. I am planning on adding a further initness to check in rust-lang#100423, truly uninit for MaybeUninit, which would make this three queries. This seems overkill for such a small feature, so this PR unifies them into one. I am not entirely happy with the naming and key type and open for improvements. r? oli-obk
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…, r=compiler-errors Unify validity checks into a single query Previously, there were two queries to check whether a type allows the 0x01 or zeroed bitpattern. I am planning on adding a further initness to check in rust-lang#100423, truly uninit for MaybeUninit, which would make this three queries. This seems overkill for such a small feature, so this PR unifies them into one. I am not entirely happy with the naming and key type and open for improvements. r? oli-obk
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Feb 27, 2023
…iaskrgr Rollup of 9 pull requests Successful merges: - rust-lang#108319 (Don't project specializable RPITIT projection) - rust-lang#108364 (Unify validity checks into a single query) - rust-lang#108463 (bootstrap: Update the output of the `check` descriptions) - rust-lang#108477 (Make `match` arm comma suggestion more clear) - rust-lang#108486 (Merge diagnostic_items duplicate diagnostics) - rust-lang#108494 (Clean up JS files code a bit) - rust-lang#108500 (update Miri) - rust-lang#108502 (Don't trigger error for ReError when other region is empty.) - rust-lang#108513 (Remove `@nagisa` from review rotation) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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…ntrinsics, r=michaelwoerister Further unify validity intrinsics Also merges the inhabitedness check into the query to further unify the code paths. Depends on rust-lang#108364
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Mar 15, 2023
…, r=compiler-errors Unify validity checks into a single query Previously, there were two queries to check whether a type allows the 0x01 or zeroed bitpattern. I am planning on adding a further initness to check in rust-lang#100423, truly uninit for MaybeUninit, which would make this three queries. This seems overkill for such a small feature, so this PR unifies them into one. I am not entirely happy with the naming and key type and open for improvements. r? oli-obk
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- Introduce -Zterminal-urls to use OSC8 for error codes rust-lang/rust#107838 - Unify validity checks into a single query rust-lang/rust#108364 - Rename interner funcs rust-lang/rust#108250 - Optimize mk_region rust-lang/rust#108020 - Clarify iterator interners rust-lang/rust#108112
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Previously, there were two queries to check whether a type allows the 0x01 or zeroed bitpattern.
I am planning on adding a further initness to check in #100423, truly uninit for MaybeUninit, which would make this three queries. This seems overkill for such a small feature, so this PR unifies them into one.
I am not entirely happy with the naming and key type and open for improvements.
r? oli-obk