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Much of the compiler calls functions on Align projected from AbiAlign.
AbiAlign impls Deref to its inner Align, so we can simplify these away.
Also, it will minimize disruption when AbiAlign is removed.
For now, preserve usages that might resolve to PartialOrd or PartialEq,
as those have odd inference.
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Co-authored-by: bjorn3 <17426603+bjorn3@users.noreply.github.com>
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sync_cg_clif-2024-11-09
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detects redundant imports that can be eliminated.
for #117772 :
In order to facilitate review and modification, split the checking code and
removing redundant imports code into two PR.
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sync_cg_clif-2023-04-29
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sync_cg_clif-2023-02-09
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Because `PassMode::Cast` is by far the largest variant, but is
relatively rare.
This requires making `PassMode` not impl `Copy`, and `Clone` is no
longer necessary. This causes lots of sigil adjusting, but nothing very
notable.
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`Layout` is another type that is sometimes interned, sometimes not, and
we always use references to refer to it so we can't take any advantage
of the uniqueness properties for hashing or equality checks.
This commit renames `Layout` as `LayoutS`, and then introduces a new
`Layout` that is a newtype around an `Interned<LayoutS>`. It also
interns more layouts than before. Previously layouts within layouts
(via the `variants` field) were never interned, but now they are. Hence
the lifetime on the new `Layout` type.
Unlike other interned types, these ones are in `rustc_target` instead of
`rustc_middle`. This reflects the existing structure of the code, which
does layout-specific stuff in `rustc_target` while `TyAndLayout` is
generic over the `Ty`, allowing the type-specific stuff to occur in
`rustc_middle`.
The commit also adds a `HashStable` impl for `Interned`, which was
needed. It hashes the contents, unlike the `Hash` impl which hashes the
pointer.
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sync_cg_clif-2021-03-29
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sync_cg_clif-2021-03-05
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sync_cg_clif-2021-02-01
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update_cg_clif-2020-11-01
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'793d26047f994e23415f8f6bb5686ff25d3dda92'
git-subtree-dir: compiler/rustc_codegen_cranelift
git-subtree-mainline: cf798c1ec65a5ec3491846777f9003fabb881b4a
git-subtree-split: 793d26047f994e23415f8f6bb5686ff25d3dda92
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