[libc++][NFC] Fix comment about size-based vector (#208463)
The closing #endif comment was using _LIBCPP_ABI_SIZE_BASED_VECTOR,
which was the name of the macro in previous iterations of the size-based
vector patch. We ended up landing on _LIBCPP_ABI_VECTOR_LAYOUT_SIZE_BASED
instead.
[SLP]Add AShr as a main opcode for copyables
Added AShr opcode in analysis and minbitwidth analysis
Reviewers: RKSimon, hiraditya, bababuck
Reviewed By: RKSimon
Pull Request: https://github.com/llvm/llvm-project/pull/207841
[AArch64] Add initial support for -mcpu=rigel. (#208017)
This patch adds support for the NVIDIA Rigel core.
This does not add any special tuning decisions, and those may come
later.
[MSVC][Demangling] Make Microsoft demangling more configurable
The goal for us is to be able to demangle Microsoft mangled function
names toward something that reads more like AST function names and
Itanium demangled names. All defaults remain the same and no existing
code or tool user should be impacted by the change.
* Make the OF_NoTagSpecifier flag accessible from `microsoftDemangle`
* Add a flag to skip the "void" keyword when there is no parameter
* Add a flag to skip the type descriptions
* Respect MSDF_NoCallingConvention with function pointers
* Add unit tests.
Assisted-by: Claude
--
CPP-7550
[lldb][Windows] mark TestPlatformProcessConnect as XFAIL (#208445)
https://github.com/llvm/llvm-project/pull/202688 incorrectly marked
`TestPlatformProcessConnect.py` as PASS on Windows with `lldb-server`.
They do not work and are failing just like with the in process plugin.
Re-mark both of them as XFAIL.
rdar://181797532
offload: Use amdgpu triple name in plugin build
The PGO tests expect the produced filename to match the triple.
The tool pulls the triple name from the binary's triple name, and the
RUN lines expect it to match the triple the build was configured with.
libcares: updated to 1.34.8
c-ares version 1.34.8 - July 7 2026
This is a bugfix release.
Bugfixes:
* Revert "Mark parameters in callbacks as const" which shipped in 1.34.7.
Changing the parameter types of the `ares_callback`, `ares_host_callback`,
and `ares_nameinfo_callback` function pointer typedefs was an unintended
API break: existing applications with the historical non-const callback
signatures no longer compiled, particularly in C++ where function pointer
types must match exactly. The read-only nature of the callback parameters
is now documented instead.
[AArch64] Don't merge branch conditions that both compare memory loads (#206504)
`shouldKeepJumpConditionsTogether` decides whether to fold two integer
branch conditions into a CMP/CCMP chain by pricing the RHS
dependency-chain latency. That ignores register pressure: when both
conditions compare loaded values, merging pins all the loaded operands
live at once to feed the chain instead of consuming them at each split
compare-and-branch. On a load-store target that extends their live
ranges across the region the branch dominates.
Decline to merge when both sides are integer compares of loaded values,
mirroring the machine CCMP pass (which won't speculate loads).
Reference:
https://github.com/llvm/llvm-project/pull/201486#issuecomment-4812845942
[lit] Add configurable slowest-test limit to --time-tests
Bare --time-tests still defaults to 20; --time-tests=N and --time-tests=all optionally control the slowest-test list shown in the histogram.
[OffloadBundler] Bound compressed bundles by header size, not magic scan (#206745)
When multiple offload bundles are concatenated, the unbundler
(clang-offload-bundler) and llvm-objdump --offloading located the end of
a compressed bundle, and the start of the next one, by scanning for the
next "CCOB" magic string starting right after the current header.
A zstd/zlib-compressed payload can legally contain those four bytes, so
the scan could stop in the middle of the compressed data and truncate
the bundle, corrupting the embedded code object. In practice this
produced a "decomposition" failure for hipBLASLt bf16 GEMMs on gfx942.
Use the authoritative total-size field recorded in the compressed bundle
header (format V2/V3) to compute the exact bundle boundary, and only
scan for the next magic past that point. Legacy bundles without a
recorded size (V1) keep the previous magic-scan fallback.
A skippable-frame fixture that embeds "CCOB" inside the compressed
payload is added to exercise the boundary logic from both
clang-offload-bundler and llvm-objdump --offloading.
[lit] Add configurable slowest-test limit to --time-tests
Bare --time-tests still defaults to 20; --time-tests=N and --time-tests=all optionally control the slowest-test list shown in the histogram.
