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 |
Nilstrieb
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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 r+ |
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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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Mar 1, 2023
…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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Remove some superfluous type parameters from layout.rs rust-lang/rust#107163 Introduce -Zterminal-urls to use OSC8 for error codes rust-lang/rust#107838 Unify validity checks into a single query rust-lang/rust#108364 s/eval_usize/eval_target_usize/ for clarity rust-lang/rust#108029 Use target instead of machine for mir interpreter integer handling rust-lang/rust#108047 Switch to EarlyBinder for type_of query rust-lang/rust#107753 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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- Remove some superfluous type parameters from layout.rs rust-lang/rust#107163 - Introduce -Zterminal-urls to use OSC8 for error codes rust-lang/rust#107838 - Unify validity checks into a single query rust-lang/rust#108364 - s/eval_usize/eval_target_usize/ for clarity rust-lang/rust#108029 - Use target instead of machine for mir interpreter integer handling rust-lang/rust#108047 - Switch to EarlyBinder for type_of query rust-lang/rust#107753 - 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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bjorn3
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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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Mar 17, 2023
- Remove some superfluous type parameters from layout.rs rust-lang/rust#107163 - Introduce -Zterminal-urls to use OSC8 for error codes rust-lang/rust#107838 - Unify validity checks into a single query rust-lang/rust#108364 - s/eval_usize/eval_target_usize/ for clarity rust-lang/rust#108029 - Use target instead of machine for mir interpreter integer handling rust-lang/rust#108047 - Switch to EarlyBinder for type_of query rust-lang/rust#107753 - 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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Mar 17, 2023
- Remove some superfluous type parameters from layout.rs rust-lang/rust#107163 - Introduce -Zterminal-urls to use OSC8 for error codes rust-lang/rust#107838 - Unify validity checks into a single query rust-lang/rust#108364 - s/eval_usize/eval_target_usize/ for clarity rust-lang/rust#108029 - Use target instead of machine for mir interpreter integer handling rust-lang/rust#108047 - Switch to EarlyBinder for type_of query rust-lang/rust#107753 - 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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Mar 17, 2023
- Remove some superfluous type parameters from layout.rs rust-lang/rust#107163 - Introduce -Zterminal-urls to use OSC8 for error codes rust-lang/rust#107838 - Unify validity checks into a single query rust-lang/rust#108364 - s/eval_usize/eval_target_usize/ for clarity rust-lang/rust#108029 - Use target instead of machine for mir interpreter integer handling rust-lang/rust#108047 - Switch to EarlyBinder for type_of query rust-lang/rust#107753 - Rename interner funcs rust-lang/rust#108250 - Optimize mk_region rust-lang/rust#108020 - Clarify iterator interners rust-lang/rust#108112
tautschnig
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Mar 17, 2023
- Remove some superfluous type parameters from layout.rs rust-lang/rust#107163 - Introduce -Zterminal-urls to use OSC8 for error codes rust-lang/rust#107838 - Unify validity checks into a single query rust-lang/rust#108364 - s/eval_usize/eval_target_usize/ for clarity rust-lang/rust#108029 - Use target instead of machine for mir interpreter integer handling rust-lang/rust#108047 - Switch to EarlyBinder for type_of query rust-lang/rust#107753 - Rename interner funcs rust-lang/rust#108250 - Optimize mk_region rust-lang/rust#108020 - Clarify iterator interners rust-lang/rust#108112
tautschnig
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Apr 17, 2023
- 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