Supports whitespace elements: ` ` and `\\n` as well as the "empty" whitespace `` that removes an otherwise printed space.
Depends on D118208
Reviewed By: rriddle
Differential Revision: https://reviews.llvm.org/D118210
This will do the combine in cases that should fold, but don't
now. e.g. we're relying on the CSEMIRBuilder's incomplete constant
folding. For instance it doesn't handle FP operations or vectors (and
we don't have separate constant folding combines either to catch
them).
This adds a --build-id=<hex build ID> flag to llvm-symbolizer. If --obj
is unspecified, this will attempt to look up the provided build ID using
whatever mechanisms are available to the Symbolizer (typically,
debuginfod). The semantics are then as if the found binary were given
using the --obj flag.
Reviewed By: jhenderson, phosek
Differential Revision: https://reviews.llvm.org/D118633
Reuse the higher precision F32 approximation for the F16 one (by expanding and
truncating). This is partly RFC as I'm not sure what the expectations are here
(e.g., these are only for F32 and should not be expanded, that reusing
higher-precision ones for lower precision is undesirable due to increased
compute cost and only approximations per exact type is preferred, or this is
appropriate [at least as fallback] but we need to see how to make it more
generic across all the patterns here).
Differential Revision: https://reviews.llvm.org/D118968
The SANITIZER_GO code path reports an undefined symbol error for dlsym.
```
FAILED: projects/compiler-rt/lib/tsan/rtl/CMakeFiles/GotsanRuntimeCheck /tmp/RelA/projects/compiler-rt/lib/tsan/rtl/CMakeFiles/GotsanRuntimeCheck
```
This unifies a couple spots that did it manually by checking the
flag directly.
It does mean that we're now dropping the 5th component, but that's
not used in any of these checks, and to my knowledge it's never been
used in ld64.
When not going through the main Clang->LLVM type cache, we'd
accidentally create multiple different opaque types for a member pointer
type.
This allows us to remove the -verify-type-cache flag now that
check-clang passes with it on. We can do the verification in expensive
builds. Previously microsoft-abi-member-pointers.cpp was failing with
-verify-type-cache.
I suspect that there may be more issues when we have multiple member
pointer types and we clear the cache, but we can leave that for later.
Followup to D118744.
Reviewed By: rnk
Differential Revision: https://reviews.llvm.org/D119215
This makes the function independent of shared state in ILV (ensures no
new dependencies on things like the cost model are introduced) and allows
for use directly in recipe's ::execute functions.
This introduces the new __ARM_FEATURE_MOPS ACLE feature test macro,
which signals the availability of the new Armv8.8-A/Armv9.3-A
instructions for standardising memcpy, memset and memmove operations.
This patch supersedes the one from https://reviews.llvm.org/D116160.
Differential Revision: https://reviews.llvm.org/D118199
This symbol has been exported (as an internal GLIBC_PRIVATE symbol) from libc.so.6 starting with glibc 2.34. glibc uses it internally for its libthread_db implementation to enable thread debugging on GDB, so it is unlikely to go away for now.
Fixes#52989.
Reviewed By: #sanitizers, MaskRay, vitalybuka
Differential Revision: https://reviews.llvm.org/D119007
Although type punning is defined for union in C, it is UB in C++.
This patch introduces a bit_cast function to convert between types in a safe way.
This is necessary to get llvm-libc compile with GCC.
This patch is extracted from D119002.
Differential Revision: https://reviews.llvm.org/D119145
llvm.insertvalue and llvm.extractvalue need LLVM primitive type
for the indexing operands. While upstreaming the TargetRewrite pass the change
was made from i32 to index without knowing this restriction. This patch reverts
back the types used for indexing in the two ops created in this pass.
the error you will receive when lowering to LLVM IR with the current code
is the following:
```
'llvm.insertvalue' op operand #1 must be primitive LLVM type, but got 'index'
```
Reviewed By: jeanPerier, schweitz
Differential Revision: https://reviews.llvm.org/D119253
Previously, _LIBCPP_ABI_UNSTABLE would be used interchangeably with
_LIBCPP_ABI_VERSION >= 2. This was confusing and creating unnecessary
complexity.
This patch removes _LIBCPP_ABI_UNSTABLE -- instead, the LIBCXX_ABI_UNSTABLE
CMake option will result in the LIBCXX_ABI_VERSION being set to '2', the
current unstable ABI. As a result, in the code, we only have _LIBCPP_ABI_VERSION
to check in order to query the current ABI version.
As a fly-by, this also defines the ABI namespace during CMake configuration
to reduce complexity in __config. I believe it was previously done this
way because we used to try to use __config_site as seldom as possible.
Now that we always ship a __config_site, it doesn't really matter and
I think being explicit about how the library is configured in the __config_site
is actually a feature.
Differential Revision: https://reviews.llvm.org/D119173
Implements optional attribute or type parameters, including support for such parameters in the assembly format `struct` directive. Also implements optional groups.
Depends on D117971
Reviewed By: rriddle
Differential Revision: https://reviews.llvm.org/D118208
For 0-D as well as 1-D vectors, both these patterns should
return a failure as there is no need to collapse the shape
of the source. Currently, only 1-D vectors were handled. This
patch handles the 0-D case as well.
Reviewed By: Benoit, ThomasRaoux
Differential Revision: https://reviews.llvm.org/D119202
The above change assumed that malloc (and friends) would always
allocate memory to getNewAlign(), even for allocations which have a
smaller size. This is not actually required by spec (a 1-byte
allocation may validly have 1-byte alignment).
Some real-world malloc implementations do not provide this guarantee,
and thus this optimization is breaking programs.
Fixes#53540
This reverts commit c2297544c0.
Differential Revision: https://reviews.llvm.org/D118804
Debuginfod can pull in libcurl as a dependency, which isn't appropriate
for libLLVM. (See
https://gitlab.freedesktop.org/mesa/mesa/-/issues/5732).
This change breaks out debuginfod into a separate non-component library
that can be used directly in llvm-symbolizer. The tool can inject
debuginfod into the Symbolizer library via an abstract DebugInfoFetcher
interface, breaking the dependency of Symbolizer on debuinfod.
See https://github.com/llvm/llvm-project/issues/52731
Reviewed By: phosek
Differential Revision: https://reviews.llvm.org/D118413
The original warning added in D115501 when pacbti is used with an
incompatible architecture was not exactly correct because it was
not really ignored and can affect codegen.
Therefore reword to say that the pacbti option is incompatible with
the given architecture.
Reviewed By: chill
Differential Revision: https://reviews.llvm.org/D119166
These changes make the Clang parser recognize expression parameter pack
expansion and initializer lists in attribute arguments. Because
expression parameter pack expansion requires additional handling while
creating and instantiating templates, the support for them must be
explicitly supported through the AcceptsExprPack flag.
Handling expression pack expansions may require a delay to when the
arguments of an attribute are correctly populated. To this end,
attributes that are set to accept these - through setting the
AcceptsExprPack flag - will automatically have an additional variadic
expression argument member named DelayedArgs. This member is not
exposed the same way other arguments are but is set through the new
CreateWithDelayedArgs creator function generated for applicable
attributes.
To illustrate how to implement support for expression pack expansion
support, clang::annotate is made to support pack expansions. This is
done by making handleAnnotationAttr delay setting the actual attribute
arguments until after template instantiation if it was unable to
populate the arguments due to dependencies in the parsed expressions.
These were all the non OS agnostic implementations I could find in general directories.
Currently none of these functions are actually enabled, but for when they do it makes sense that they be in linux/ specific directories.
Reviewed By: sivachandra
Differential Revision: https://reviews.llvm.org/D119164
As long as *all* the invokes in the set are indirect,
we can merge them, but don't merge direct invokes into the set,
even though it would be legal to do.
We can select _vgprcd versions of MAI instructions and have no
AGPRs with the whole budget left for VGPRs if:
1. This is a kernel;
2. It has no calls;
3. It runs at least on 2 waves thus having not more that 256 VGPRs.
4. There is no inline asm requesting AGPRs.
Differential Revision: https://reviews.llvm.org/D117253
There are a few different test passes that check elementwise fusion in
Linalg. Consolidate them to a single pass controlled by different pass
options (in keeping with how `TestLinalgTransforms` exists).
This patch adds partial lowering of the "GET_ENVIRONMENT_VARIABLE" intrinsic
to the backend runtime hook implemented in patches D111394 and D112698.
It also renames the `isPresent` lambda to `isAbsent` and moves it out to
its own function in `Command.cpp`. Corresponding comment fixes for this
are also modified. Lastly it adds the i1 type to
`RuntimeCallTestBash.h`.
Differential Revision: https://reviews.llvm.org/D118984
Most Intel CPU scheduler files lumped the immediate and 1 instructions
together, but uops.info shows they are quite different.
For the most part the by 1 instructions were pretty accurate to the uops.info
data except the latency was 3 instead of 2 as uops.info indicates.
The by immediate instructions need 7 or 8 uops and have higher latency.
It looks like the 8-bit by immediate instructions may need even more
uops, but I just lumped them with the 16/32/64.
Noticed while checking out PR53648. So mostly I cared about the by 1
instructions.
Reviewed By: RKSimon, pengfei
Differential Revision: https://reviews.llvm.org/D119217
Implement P2128R6 in C++23 mode.
Unlike GCC's implementation, this doesn't try to recover when a user
meant to use a comma expression.
Because the syntax changes meaning in C++23, the patch is *NOT*
implemented as an extension. Instead, declaring an array with not
exactly 1 parameter is an error in older languages modes. There is an
off-by-default extension warning in C++23 mode.
Unlike the standard, we supports default arguments;
Ie, we assume, based on conversations in WG21, that the proposed
resolution to CWG2507 will be accepted.
We allow arrays OpenMP sections and C++23 multidimensional array to
coexist:
[a , b] multi dimensional array
[a : b] open mp section
[a, b: c] // error
The rest of the patch is relatively straight forward: we take care to
support an arbitrary number of arguments everywhere.