[flang][cuda][NFC] Add filename and line number in error reporting (#185516)
Some entry points carry over filename and line number for error
reporting. Use this information when reporting cuda error.
system(3): Fix brain glitch in previous commit
We were saving SIGINT twice instead of SIGINT and SIGQUIT.
Also restore original order of operations (SIGINT then SIGQUIT), which
matches the order in which they're discussed in the POSIX description
of system(3).
MFC after: 1 week
Sponsored by: Klara, Inc.
Fixes: 48368f702423 ("system(3): Address test robustness issue")
[libunwind][PAC] Defang ptrauth's PC in valid CFI range abort
It turns out making the CFI check a release mode abort causes many,
if not the majority, of JITs to fail during unwinding as they do not
set up CFI sections for their generated code. As a result any JITs
that do nominally support unwinding (and catching) through their JIT
or assembly frames trip this abort.
rdar://170862047
[Clang] Update the 'gpuintrin.h' lane scan handling (#185451)
Summary:
This patch uses a more efficient algorithm for the reduction rather than
a divergent branch. We also provide a prefix and suffix version, the sum
is now just the first element of this.
This changes the name to this, which is technically breaking but I don't
think these were really used in practice and it's a trivial change based
on the clang version if it's really needed..
```
__gpu_prefix_scan_sum_u32(...)
__gpu_suffix_scan_sum_u32(...)
```
[libc][docs] Furo theme, new landing page, cleanups (#184303)
Switch the libc documentation site from the alabaster theme to Furo,
which provides mobile-friendly layout, a collapsible sidebar with
caption-based section grouping, and built-in "Edit this page" links.
Changes by area:
conf.py
- Switch html_theme to "furo"
- Add myst_parser extension (already in llvm/docs/requirements.txt, used
by LLDB/Clang/LLVM docs) to allow Markdown alongside RST
- Accept both .rst and .md source suffixes
- Configure Furo source_repository/source_branch/source_directory for
"Edit this page" links pointing to GitHub
- Wire _static/copybutton.{js,css} for copy-to-clipboard buttons on code
blocks (no new pip dependency; can migrate to sphinx-copybutton later
once it's in requirements-hashed.txt)
- Exclude plan-docs.md and Helpers/ from Sphinx processing
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[mlir][spirv] Make `MatrixType` type a `ShapedType` (#185470)
This will allow to enforce some of the type constraints in ODS using
builtin classes e.g., `AllElementTypesMatch`. This is a first PR in a series of PRs moving all verification for Matrix
ops to ODS.
system(3): Address test robustness issue
Don't assume that SIGINT and SIGQUIT are set to SIG_DFL at the start
of the test. Instead, retrieve their current dispositions and verify
that they are restored at the end of the test.
MFC after: 1 week
Sponsored by: Klara, Inc.
Reviewed by: kevans
Differential Revision: https://reviews.freebsd.org/D55709
[CodeGen] Fix prefetch-targets-error.mir
\#184194 introduced this test which was failing in some configurations
as it would try and write output to the test directory by having
incorrectly specified -o flags.
