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(cherry picked from commit f46057bf1cc0dc24a0ecd7d87c9c93872e685253)
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linker: Synchronize native library search in rustc and linker
Also search for static libraries with alternative naming (`libname.a`) on MSVC when producing executables or dynamic libraries, and not just rlibs.
This unblocks https://github.com/rust-lang/rust/pull/123436.
try-job: x86_64-msvc
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Add `-Zlint-llvm-ir`
This flag is similar to `-Zverify-llvm-ir` and allows us to lint the generated IR.
r? compiler
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Previously `libname.a` naming was supported as a fallback when producing rlibs, but not when producing executables or dynamic libraries
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rustc: Simplify getting sysroot library directory
It was very non-obvious that `sess.target_tlib_path`, `make_target_lib_path(...)`, and `sess.target_filesearch(...).search_paths()` result in the same sysroot library directory paths.
They are however, indeed the same, because `sess.target_tlib_path` is initialized to `make_target_lib_path(...)` on `Session` creation, and they are used interchangeably.
There are still some redundant calls to `make_target_lib_path` and other inconsistent ways to obtain sysroot directories, but fixing that requires some behavior changes, while this PR is a pure refactoring.
Some places in the compiler even disagree on the number of sysroots - 1 (explicit `--sysroot` *or* default sysroot), 2 (explicit `--sysroot` *and* default sysroot), or an unclear number of `sysroot_candidates` every of which is considered.
The logic currently using `sess.target_tlib_path` or equivalents assumes one sysroot.
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Add `#[warn(unreachable_pub)]` to a bunch of compiler crates
By default `unreachable_pub` identifies things that need not be `pub` and tells you to make them `pub(crate)`. But sometimes those things don't need any kind of visibility. So they way I did these was to remove the visibility entirely for each thing the lint identifies, and then add `pub(crate)` back in everywhere the compiler said it was necessary. (Or occasionally `pub(super)` when context suggested that was appropriate.) Tedious, but results in more `pub` removal.
There are plenty more crates to do but this seems like enough for a first PR.
r? `@compiler-errors`
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Allow rust staticlib to work with MSVC's /WHOLEARCHIVE
This fixes #129020 by renaming the `__NULL_IMPORT_DESCRIPTOR` to prevent conflicts.
try-job: dist-i686-msvc
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Support reading thin archives in ArArchiveBuilder
And switch to using ArArchiveBuilder with the LLVM backend too now that all regressions are fixed.
Fixes https://github.com/rust-lang/rust/issues/107407
Fixes https://github.com/rust-lang/rust/issues/107162
https://github.com/rust-lang/rust/issues/107495 has been fixed in a previous PR already.
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Use `assert_matches` around the compiler more
It's a useful assertion, especially since it actually prints out the LHS.
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linker: Remove the "`--whole-archive` in test mode" backcompat hack
Fixes https://github.com/rust-lang/rust/issues/116910.
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rustc_codegen_ssa: Set architecture for object crate for 32-bit SPARC
The `object` crate was recently updated to recognize the 32-bit SPARC ELF targets `EM_SPARC` and `EM_SPARC32PLUS`, so the proper architecture for 32-bit SPARC can now be set in `rustc_codegen_ssa`.
r? nagisa
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Make create_dll_import_lib easier to implement
This will make it easier to implement raw-dylib support in cg_clif and cg_gcc. This PR doesn't yet include an create_dll_import_lib implementation for cg_clif as I need to correctly implement dllimport in cg_clif first before raw-dylib can work at all with cg_clif.
Required for https://github.com/rust-lang/rustc_codegen_cranelift/issues/1345
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The object crate was recently updated to recognize the 32-bit SPARC
ELF targets EM_SPARC and EM_SPARC32PLUS, so the proper architecture
for 32-bit SPARC can now be set in rustc_codegen_ssa.
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Create COFF archives for non-LLVM backends
`ar_archive_writer` now supports creating COFF archives, so enable them for the non-LLVM backends when requested.
r? ``@bjorn3``
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When an archive fails to build, print the path
Currently the output on failure is as follows:
Compiling block-buffer v0.10.4
Compiling crypto-common v0.1.6
Compiling digest v0.10.7
Compiling sha2 v0.10.8
Compiling xz2 v0.1.7
error: failed to build archive: No such file or directory
error: could not compile `bootstrap` (lib) due to 1 previous error
Change this to print which file is being constructed, to give some hint about what is going on.
error: failed to build archive at `path/to/output`: No such file or directory
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The previous commit updated `rustfmt.toml` appropriately. This commit is
the outcome of running `x fmt --all` with the new formatting options.
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deps: dedup object, wasmparser, wasm-encoder
* dedups one `object`, additional dupe will be removed, with next `thorin-dwp` update
* `wasmparser` pinned to minor versions, so full merge isn't possible
* same with `wasm-encoder`
Turned off some features for `wasmparser` (see features https://github.com/bytecodealliance/wasm-tools/blob/v1.208.1/crates/wasmparser/Cargo.toml) in `run-make-support`, looks working?
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adopt wasm_encoder changes
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compiler: Never debug_assert in codegen
In the name of Turing and his Hoarey heralds, assert our truths before creating a monster!
The `rustc_codegen_llvm` and `rustc_codegen_ssa` crates are fairly critical for rustc's correctness. Small mistakes here can easily result in undefined behavior, since a "small mistake" can mean something like "link and execute the wrong code". We should probably run any and all asserts in these modules unconditionally on whether this is a "debug build", and damn the costs in performance.
...Especially because the costs in performance seem to be *nothing*. It is not clear how much correctness we gain here, but I'll take free correctness improvements.
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The gains in performance are not worth the costs in correctness.
This is partly because the gains are zero and the costs are unknown.
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Clean up a few minor refs in `format!` macro, as it has a performance cost. Apparently the compiler is unable to inline `format!("{}", &variable)`, and does a run-time double-reference instead (format macro already does one level referencing). Inlining format args prevents accidental `&` misuse.
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r=compiler-errors
Terminate `--print link-args` output with newline
Fixes #127507
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Sync ar_archive_writer to LLVM 18.1.3
From LLVM 15.0.0-rc3. This adds support for COFF archives containing Arm64EC object files and has various fixes for AIX big archive files.
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Currently the output on failure is as follows:
Compiling block-buffer v0.10.4
Compiling crypto-common v0.1.6
Compiling digest v0.10.7
Compiling sha2 v0.10.8
Compiling xz2 v0.1.7
error: failed to build archive: No such file or directory
error: could not compile `bootstrap` (lib) due to 1 previous error
Print which file is being constructed to give some hint about what is
going on.
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From LLVM 15.0.0-rc3. This adds support for COFF archives containing
Arm64EC object files and has various fixes for AIX big archive files.
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Signed-off-by: onur-ozkan <work@onurozkan.dev>
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