Rollup of 6 pull requests #64766
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Rollup of 6 pull requests #64766
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This also makes the code easier to understand by hinting at the significance of `self >> ($BITS - 1)` and by including an explanation in the comments. Also, now overflowing_abs simply uses wrapping_abs, which is clearer and avoids a potential performance regression in the LLVM IR.
…ngs_named_same_as_variants`.
Pacify `tidy`. It's also more correct in this context.
Also tweak walkers on `Pat`.
Almost fully deprecate hir::map::Map.hir_to_node_id - HirIdify `doctree::Module.id` - HirIdify `hir::Crate.modules` - introduce a `HirId` to `DefIndex` map in `map::Definitions` The only last uses of `hir::map::Map.hir_to_node_id` in the compiler are: - for the purposes of `driver::pretty` (in `map::nodes_matching_suffix`), but I don't know if we can remove `NodeId`s in there (I think when I attempted it previously there was some issue due to `HirId` not being representable with an integer) - in `ty::query::on_disk_cache` (not sure about the purpose of this one) - in `mir::transform::check_unsafety` (only important for error message order) Any suggestions how to kill these off? r? @Zoxc
use `sign` variable in abs and wrapping_abs methods This also makes the code easier to understand by hinting at the significance of `self >> ($BITS - 1)`. Also, now `overflowing_abs` simply uses `wrapping_abs`, which is clearer and avoids a potential performance regression in the LLVM IR. This PR follows from the discussion from rust-lang#63786. r? @eddyb cc @nikic
or-patterns: Push `PatKind/PatternKind::Or` at top level to HIR & HAIR Following up on work in rust-lang#64111, rust-lang#63693, and rust-lang#61708, in this PR: - We change `hair::Arm.patterns: Vec<Pattern<'_>>` into `hir::Arm.pattern: Pattern<'_>`. - `fn hair::Arm::top_pats_hack` is introduced as a temporary crutch in MIR building to avoid more changes. - We change `hir::Arm.pats: HirVec<P<Pat>>` into `hir::Arm.pat: P<Pat>`. - The hacks in `rustc::hir::lowering` are removed since the representation hack is no longer necessary. - In some places, `fn hir::Arm::top_pats_hack` is introduced to leave some things as future work. - Misc changes: HIR pretty printing is adjusted to behave uniformly wrt. top/inner levels, rvalue promotion is adjusted, regionck, and dead_code is also. - Type checking is adjusted to uniformly handle or-patterns at top/inner levels. To make things compile, `p_0 | ... | p_n` is redefined as a "reference pattern" in [`fn is_non_ref_pat`](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_typeck/check/struct.FnCtxt.html#method.is_non_ref_pat) for now. This is done so that reference types are not eagerly stripped from the `expected: Ty<'tcx>`. - Liveness is adjusted wrt. the `unused_variables` and `unused_assignments` lints to handle top/inner levels uniformly and the handling of `fn` parameters, `let` locals, and `match` arms are unified in this respect. This is not tested for now as exhaustiveness checks are reachable and will ICE. - In `check_match`, checking `@` and by-move bindings is adjusted. However, exhaustiveness checking is not adjusted the moment and is handled by @dlrobertson in rust-lang#63688. - AST borrowck (`construct.rs`) is not adjusted as AST borrowck will be removed soon. r? @matthewjasper cc @dlrobertson @varkor @oli-obk
Add const-eval support for SIMD types, insert, and extract This adds initial support for constant-evaluation of Abi::Vector types. r? @oli-obk
Refactor mbe a tiny bit
Master is now 1.40 r? @pietroalbini
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@bors r+ p=6 rollup=never |
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📌 Commit 1e8dd37 has been approved by |
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Rollup of 6 pull requests Successful merges: - #62975 (Almost fully deprecate hir::map::Map.hir_to_node_id) - #64386 (use `sign` variable in abs and wrapping_abs methods) - #64508 (or-patterns: Push `PatKind/PatternKind::Or` at top level to HIR & HAIR) - #64738 (Add const-eval support for SIMD types, insert, and extract) - #64759 (Refactor mbe a tiny bit) - #64764 (Master is now 1.40 ) Failed merges: r? @ghost
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☀️ Test successful - checks-azure |
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📣 Toolstate changed by #64766! Tested on commit 6c2c29c. 💔 clippy-driver on windows: test-fail → build-fail (cc @mcarton @oli-obk @Manishearth @flip1995 @yaahc @phansch @llogiq, @rust-lang/infra). |
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Tested on commit rust-lang/rust@6c2c29c. Direct link to PR: <rust-lang/rust#64766> 💔 clippy-driver on windows: test-fail → build-fail (cc @mcarton @oli-obk @Manishearth @flip1995 @yaahc @phansch @llogiq, @rust-lang/infra). 💔 clippy-driver on linux: test-fail → build-fail (cc @mcarton @oli-obk @Manishearth @flip1995 @yaahc @phansch @llogiq, @rust-lang/infra).
This was referenced Sep 25, 2019
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Successful merges:
signvariable in abs and wrapping_abs methods #64386 (usesignvariable in abs and wrapping_abs methods)PatKind/PatternKind::Orat top level to HIR & HAIR #64508 (or-patterns: PushPatKind/PatternKind::Orat top level to HIR & HAIR)Failed merges:
r? @ghost