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bare "&" lambda capture.
Summary:
Lambda captures allow for a lone `&` capture, so `&]` needs to be properly handled.
`int foo = [& ]() {}` is fixed to give `int foo = [ & ]() {}`
Reviewers: MyDeveloperDay
Reviewed by: MyDeveloperDay
Subscribers: cfe-commits
Tags: #clang, #clang-format
Differential Revision: https://reviews.llvm.org/D70249
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Add assignment operator in the test to check that even if the operator
was declare explicitly, the constructor is called in the user-defined
reduction initializer anyway.
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Summary:
Tooling around DWARF 5 is still not mature enough for this to be a sane
default, and the AMDGPU and HIP toolchains should agree on a single
default.
Subscribers: kzhuravl, jvesely, wdng, nhaehnle, yaxunl, aprantl, dstuttard, tpr, t-tye, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D70191
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Keys in a virtual file system can be in Posix or Windows form or even
a combination of the two. Many VFS tests (and a few Clang tests) were
XFAILed on Windows because of false negatives when comparing paths.
First, we default CaseSenstive to false on Windows. This allows
drive letters like "D:" to match "d:". Windows filesystems are, by
default, case insensitive, so this makes sense even beyond the drive
letter.
Second, we allow slashes to match backslashes when they're used as the
root component of a path.
Both of these changes are limited to RedirectingFileSystems, so there's
little chance of affecting other path handling.
These changes allow eleven of the VFS tests to pass on Windows as well
as three other Clang tests, so they have re-enabled.
This solves the majority of PR43272. Additional VFS test failures will
be fixed in separate patches.
Differential Revision: https://reviews.llvm.org/D69958
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iterator checker tests
The recently committed debug.IteratorDebugging checker enables
standalone white-box testing of the modelling of containers and
iterators. For the three checkers based on iterator modelling only
simple tests are needed.
Differential Revision: https://reviews.llvm.org/D70123
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My mistake. Changes I had in this test were for code changes that are
not landed yet. I am reverting driver-test.c back to what it was
originally.
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Removing -shared as it is not used on a lot of targets in order to green failing
bots with this change. Also, tiding up the windows.cpp test as the
triple compile out can look slightly different that what you specified
on a windows bot.
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Unless the test is explicitly testing a driver feature if clang
interface stubs I have changed the tests to use %clang_cc1. This should
make some changes I plan to make to the driver job pipeline cause fewer
test changes and breakages.
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Summary:
This adds `-mreference-types` and `-mno-reference-types` flags to clang
and make `-fwasm-exceptions` enables reference types feature in clang
and the backend.
Reviewers: tlively
Subscribers: dschuff, sbc100, jgravelle-google, sunfish, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D69832
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Avoids the need to include TargetMachine.h from various places just for
an enum. Various other enums live here, such as the optimization level,
TLS model, etc. Data suggests that this change probably doesn't matter,
but it seems nice to have anyway.
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No instruction takes mxcsr as a an operand so we should always
treat it as an identifier name.
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This change causes test failures for builds configured with
-DCLANG_DEFAULT_RTLIB=compiler-rt.
This reverts commit 3289352e6bb9d2949c678c625478024bf2a5fbfb.
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Summary:
Review comments in {D69854} recommended a simpler approach of creating the SMDiagnostics to remove much of the complexity. (thanks @thakis)
@vlad.tsyrklevich I've rebuilt on both Windows and Linux (running Linux with Address and Undefined sanitizers) over the clang code base
Reviewers: thakis, klimek, mitchell-stellar, vlad.tsyrklevich
Reviewed By: thakis
Subscribers: cfe-commits, thakis, vlad.tsyrklevich
Tags: #clang-format, #clang
Differential Revision: https://reviews.llvm.org/D69921
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Depending on different cmake configures, clang may generate different
IR name for slot variables. Let us use the regex instead of hard
coding the name. I did the same for other bpf-attr-preserve-access-index
tests with such an approach, but somehow did not do for this one.
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If a GCC installation is not detected, then this attempts to
use compiler-rt and the compiler-rt crtbegin/crtend
implementations as a fallback.
Differential Revision: https://reviews.llvm.org/D68407
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Add the newly supported BPF specific __attribute__((preserve_access_index)
in the pragma-attribute-supported-attributes-list.test.
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This is a resubmission for the previous reverted commit
943436040121 with the same subject. This commit fixed the
segfault issue and addressed additional review comments.
This patch introduced a new bpf specific attribute which can
be added to struct or union definition. For example,
struct s { ... } __attribute__((preserve_access_index));
union u { ... } __attribute__((preserve_access_index));
The goal is to simplify user codes for cases
where preserve access index happens for certain struct/union,
so user does not need to use clang __builtin_preserve_access_index
for every members.
The attribute has no effect if -g is not specified.
When the attribute is specified and -g is specified, any member
access defined by that structure or union, including array subscript
access and inner records, will be preserved through
__builtin_preserve_{array,struct,union}_access_index()
IR intrinsics, which will enable relocation generation
in bpf backend.
The following is an example to illustrate the usage:
-bash-4.4$ cat t.c
#define __reloc__ __attribute__((preserve_access_index))
struct s1 {
int c;
} __reloc__;
struct s2 {
union {
struct s1 b[3];
};
} __reloc__;
struct s3 {
struct s2 a;
} __reloc__;
int test(struct s3 *arg) {
return arg->a.b[2].c;
}
-bash-4.4$ clang -target bpf -g -S -O2 t.c
A relocation with access string "0:0:0:0:2:0" will be generated
representing access offset of arg->a.b[2].c.
forward declaration with attribute is also handled properly such
that the attribute is copied and populated in real record definition.
Differential Revision: https://reviews.llvm.org/D69759
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Summary:
Flags that generate output could result in failures when creating
syntax only actions. This patch introduces initial logic for filtering out
those. The first such flag is "save-temps", which saves intermediate
files(bitcode, assembly, etc.) into a specified directory.
Fixes https://github.com/clangd/clangd/issues/191
Reviewers: hokein
Subscribers: ilya-biryukov, usaxena95, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D70173
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This patch adds the ACLE intrinsics for all the MVE load and store
instructions not already handled by D69791. These ones don't need new
IR intrinsics, because they can be implemented in terms of standard
LLVM IR constructions.
Some of the load and store instructions access less than 128 bits of
memory, sign/zero extending each value to a wider vector lane on load
or truncating it on store. These are represented in IR by a load of a
shorter vector followed by a zext/sext, and conversely, a trunc
followed by a short store. Existing ISel patterns already recognize
those combinations and turn them into the right MVE instructions.
The predicated forms of all these instructions are represented in the
same way, except that the ordinary load/store operation is replaced
with the existing intrinsics @llvm.masked.{load,store}. These are
currently only code-generated as predicated MVE load/store
instructions if you give LLVM the `-enable-arm-maskedldst` option; so
I've done that in the LLVM codegen test. When we make that the
default, that option can be removed.
In the Tablegen backend, I've had to add a handful of extra support
features:
* We need to be able to make clang::Address objects out of a
pointer and an alignment (previously we only needed these when the
user passed us an existing one).
* We can now specify vector types that aren't 128 bits wide (for use
in those intermediate values in IR), the parametrized type system
can make one starting from two existing vector types (using the lane
count of one and the element type of the other).
* I've added support for code generation of pointer casts, and for
specifying LLVM types as operands to IRBuilder operations (for zext
and sext, though I think they'll come in useful again).
* Now not all IR construction operations need to be specified as
Builder.CreateFoo; some don't involve a Builder at all, and one
passes it as a parameter to a tiny static helper function in
CGBuiltin.cpp.
Reviewers: ostannard, MarkMurrayARM, dmgreen
Subscribers: kristof.beyls, cfe-commits, llvm-commits
Tags: #clang, #llvm
Differential Revision: https://reviews.llvm.org/D70088
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Add the remaining half (fp16) vector data load and store builtin
functions from the OpenCL C specification.
Patch by Pierre Gondois and Sven van Haastregt.
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8548 CPU is GCC's name for the e500v2, so accept this in clang. The
e500v2 doesn't support lwsync, so define __NO_LWSYNC__ for this as well,
as GCC does.
Differential Revision: https://reviews.llvm.org/D67787
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'clang'.
This is not true in practice in some content-addressed file systems.
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This is a fix for PR43315. An assertion error is hit for this minimal example:
```
//clang -cc1 -triple x86_64-- -S tstVMStructRC-min.cpp
int (a b)(); // Assertion `Chunk.Kind == DeclaratorChunk::Function' failed.
```
This is because we do not cover the case in the FunctionTypeUnwrapper where it
receives a MacroQualifiedType. We have not run into this earlier because this
is a unique case where the __attribute__ contains both __cdecl__ and
__regparm__ (in that order), and we are compiling for x86_64. Changing the
architecture or the order of __cdecl__ and __regparm__ does not raise the
assertion.
Differential Revision: https://reviews.llvm.org/D67992
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Some warnings in -Wtautological-compare subgroups are DefaultIgnore.
Adding this group to -Wmost, which is part of -Wall, will aid in their
discoverability.
Differential Revision: https://reviews.llvm.org/D69292
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include grouping
Summary:
By additional regex match, grouping of main include can be enabled in files that are not normally considered as a C/C++ source code.
For example, this might be useful in templated code, where template implementations are being held in *Impl.hpp files.
On the occassion, 'assume-filename' option description was reworded as it was misleading. It has nothing to do with `style=file` option and it does not influence sourced style filename.
Reviewers: rsmith, ioeric, krasimir, sylvestre.ledru, MyDeveloperDay
Reviewed By: MyDeveloperDay
Subscribers: MyDeveloperDay, cfe-commits
Patch by: furdyna
Tags: #clang
Differential Revision: https://reviews.llvm.org/D67750
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Let the checkers use a reference instead of a copy in a range-based
for loop.
This avoids new warnings due to D68912 adds -Wrange-loop-analysis to -Wall.
Differential Revision: https://reviews.llvm.org/D70047
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The std::pair<const clang::ValueDecl *, llvm::ArrayRef<clang::OMPClauseMappableExprCommon::MappableComponent>>
type will be copied in a range-based for loop. Make the copy explicit to
avoid the -Wrange-loop-analysis warning.
This avoids new warnings due to D68912 adds -Wrange-loop-analysis to -Wall.
Differential Revision: https://reviews.llvm.org/D70046
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The AssociationIteratorTy type will be copied in a range-based for loop.
Make the copy explicit to avoid the -Wrange-loop-analysis warning.
This avoids new warnings due to D68912 adds -Wrange-loop-analysis to -Wall.
Differential Revision: https://reviews.llvm.org/D70045
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reduction initializers.
Better to use copy constructor at the initialization of the declare
reduction construct rather than assignment operator.
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If ReadASTBlock does not find its top-level submodule, there's something
wrong the with the PCM. Error in that case, to avoid hitting problems
further from the source.
Note that the Swift compiler sometimes hits a case in
CompilerInstance::loadModule where the top-level submodule mysteriously
does not have Module::IsFromModuleFile set. That will emit a confusing
warn_missing_submodule, which was never intended for the main module.
The recent audit of error-handling in ReadAST may have rooted out the
real problem. If not, this commit will help to clarify the real
problem, and replace a confusing warning with an error pointing at the
malformed PCM file.
We're specifically sniffing out whether the top-level submodule was
found/processed, in case there is a malformed module file that is
missing it. If there is an error encountered during ReadSubmoduleBlock
the return status should already propagate through. It would be nice to
detect other missing submodules around here to catch other instances of
warn_missing_submodule closer to the source, but that's left as a future
exercise.
https://reviews.llvm.org/D70063
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some operator functions
Summary:
https://bugs.llvm.org/show_bug.cgi?id=36294
Addressing bug related to returning after return type not being honoured for some operator types.
```
$ bin/clang-format --style="{BasedOnStyle: llvm, AlwaysBreakAfterReturnType: TopLevelDefinitions}" /tmp/foo.cpp
class Foo {
public:
bool operator!() const;
bool operator<(Foo const &) const;
bool operator*() const;
bool operator->() const;
bool operator+() const;
bool operator-() const;
bool f() const;
};
bool Foo::operator!() const { return true; }
bool
Foo::operator<(Foo const &) const {
return true;
}
bool Foo::operator*() const { return true; }
bool Foo::operator->() const { return true; }
bool
Foo::operator+() const {
return true;
}
bool
Foo::operator-() const {
return true;
}
bool
Foo::f() const {
return true;
}
```
Reviewers: mitchell-stellar, klimek, owenpan, sammccall, rianquinn
Reviewed By: sammccall
Subscribers: merge_guards_bot, cfe-commits
Tags: #clang-format, #clang-tools-extra, #clang
Differential Revision: https://reviews.llvm.org/D69573
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ReadASTBlock and ReadASTExtensions can both return failures. Be
consistent and remove all the just-loaded modules, just like when
ReadASTCore returns failures.
https://reviews.llvm.org/D70055
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These were found via an audit. In the case of `ParseLineTable` this is
actually dead code, since parsing the line table always succeeds, but
it's prudent to be defensive since it's possible an assertion there
could be converted to a `true` return in the future.
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Split a loop in ReadAST that visits the just-loaded module chain,
between an initial loop that reads further from the ASTs (and can fail)
and a second loop that does some preloading (and cannot fail). This
makes it less likely for a reading failure to affect the AST.
This is not fixing a known bug and the behaviour change may not be
observable, it's just part of an audit to look at all of the error
handling in the ASTReader.
https://reviews.llvm.org/D70056
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As part of an audit of whether all errors are being reported from the
ASTReader, delay err_module_file_conflict if a diagnostic is already in
flight when it is hit. This required plumbing an extra argument through
the delayed diagnostic mechanics in DiagnosticsEngine.
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Summary:
Untie context matching/scoring from the attribute for declare variant
directive to simplify future uses in other context-dependent directives.
Reviewers: jdoerfert
Subscribers: guansong, kkwli0, caomhin, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D69952
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simd-based directives.
According to OpenMP 5.0 standard, ordered simd, atomic and simd
directives are allowed as nested directives in the simd-based
directives.
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Summary:
This revision introduces a new interface `MatchComputation` which generalizes
the `Stencil` interface and replaces the `std::function` interface of
`MatchConsumer`. With this revision, `Stencil` (as an abstraction) becomes just
one collection of implementations of
`MatchComputation<std::string>`. Correspondingly, we remove the `Stencil` class
entirely in favor of a simple type alias, deprecate `MatchConsumer` and change
all functions that accepted `MatchConsumer<std::string>` to use
`MatchComputation<std::string>` instead.
Reviewers: gribozavr
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D69802
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Also add a comment that test is not automatically run, and how to run it.
Patch by Philipp Stephani!
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Summary:
TypeScript now supports declaring fields:
class Foo {
declare field: string;
}
clang-format happens to already format this fine, so this change just
adds a regression test.
Reviewers: krasimir
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D69972
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Summary:
JavaScript / TypeScript is adding two new operators: the null
propagating operator `?.` and the nullish coalescing operator `??`.
const x = foo ?? 'default';
const z = foo?.bar?.baz;
This change adds support to lex and format both.
Reviewers: krasimir
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D69971
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This started passing target-features on the linker line, not just for RISCV but
for all targets, leading to error messages in Chromium Android build:
'+soft-float-abi' is not a recognized feature for this target (ignoring feature)
'+soft-float-abi' is not a recognized feature for this target (ignoring feature)
See Phabricator review for details.
Reverting until this can be fixed properly.
> Summary:
> 1. enable LTO need to pass target feature and abi to LTO code generation
> RISCV backend need the target feature to decide which extension used in
> code generation.
> 2. move getTargetFeatures to CommonArgs.h and add ForLTOPlugin flag
> 3. add general tools::getTargetABI in CommonArgs.h because different target uses different
> way to get the target ABI.
>
> Patch by Kuan Hsu Chen (khchen)
>
> Reviewers: lenary, lewis-revill, asb, MaskRay
>
> Reviewed By: lenary
>
> Subscribers: hiraditya, dschuff, aheejin, fedor.sergeev, mehdi_amini, inglorion, asb, rbar, johnrusso, simoncook, apazos, sabuasal, niosHD, kito-cheng, shiva0217, jrtc27, MaskRay, zzheng, edward-jones, steven_wu, rogfer01, MartinMosbeck, brucehoult, the_o, dexonsmith, rkruppe, PkmX, jocewei, psnobl, benna, Jim, lenary, s.egerton, pzheng, cfe-commits
>
> Tags: #clang
>
> Differential Revision: https://reviews.llvm.org/D67409
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The other paremeters appear to be sufficient to determine which modules
have just been loaded and need to be removed, so stop collecting and
sending in that set explicitly.
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