| Commit message (Collapse) | Author | Age | Files | Lines |
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instantiation
We were previously just using a specialization in the class template instead of
creating a new specialization in the class instantiation.
Fixes llvm.org/PR42779.
Differential revision: https://reviews.llvm.org/D65359
llvm-svn: 367367
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This reverts commit d2254dbf21a3243233b75294ef901086199df1b9.
This (unintentionally?) changed behavior, disallowing e.g. -x objective-c++-header
llvm-svn: 367353
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UBSan-Standalone-x86_64 :: TestCases/TypeCheck/Function/function.cpp currently
FAILs on Solaris/x86_64:
clang-9: error: unsupported option '-fsanitize=function' for target 'x86_64-pc-solaris2.11'
AFAICS, there's nothing more to do then enable that sanitizer in the driver (for x86 only),
which is what this patch does, together with updating another testcase.
Tested on x86_64-pc-solaris2.11.
Differential Revision: https://reviews.llvm.org/D64488
llvm-svn: 367351
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The previous code detected conflicts through copy-pasta, this versions
uses a 'loop'.
llvm-svn: 367350
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Fixes llvm.org/PR42778
llvm-svn: 367346
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Dropping the 'u' entry and the entire Flags table from Types.def.
Now it'll be a bit easier to tablegenify this.
Differential Revision: https://reviews.llvm.org/D65308
llvm-svn: 367345
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Summary:
The cache recorded the wrong expansion location for all but the first
stringization. It seems uncommon to stringize the same macro argument
multiple times, so this cache doesn't seem that important.
Fixes PR39942
Reviewers: vsk, rsmith
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D65428
llvm-svn: 367337
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In `CodeGenFunction::EmitAArch64BuiltinExpr()`, bulk move all of the aarch64 MSVC-builtin cases to an earlier point in the function (the `// Handle non-overloaded intrinsics first` switch block) in order to avoid an unreachable in `GetNeonType()`. The NEON type-overloading logic is not appropriate for the Windows builtins.
Fixes https://llvm.org/pr42775
Differential Revision: https://reviews.llvm.org/D65403
llvm-svn: 367323
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When dumping a desugared QualType and the type is a type alias, also print out the id for the type alias declaration.
llvm-svn: 367312
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make check-all currently fails on x86_64-pc-solaris2.11 when building with GCC 9:
Undefined first referenced
symbol in file
_ZN11__sanitizer14internal_lseekEimi SANITIZER_TEST_OBJECTS.sanitizer_libc_test.cc.i386.o
_ZN11__sanitizer23MapWritableFileToMemoryEPvmim SANITIZER_TEST_OBJECTS.sanitizer_libc_test.cc.i386.o
ld: fatal: symbol referencing errors
clang-9: error: linker command failed with exit code 1 (use -v to see invocation)
make[3]: *** [projects/compiler-rt/lib/sanitizer_common/tests/CMakeFiles/TSanitizer-i386-Test.dir/build.make:92: projects/compiler-rt/lib/sanitizer_common/tests/Sanitizer-i386-Test] Error 1
While e.g. __sanitizer::internal_lseek is defined in sanitizer_solaris.cc, g++ 9
predefines _FILE_OFFSET_BITS=64 while clang++ currently does not.
This patch resolves this inconsistency by following the gcc lead, which allows
make check-all to finish successfully.
There's one caveat: gcc defines _LARGEFILE_SOURCE and _LARGEFILE64_SOURCE for C++ only, while clang has long been doing it for
all languages. I'd like to keep it this way because those macros do is to make
declarations of fseek/ftello (_LARGEFILE_SOURCE) resp. the 64-bit versions
of largefile functions (*64 with _LARGEFILE64_SOURCE) visible additionally.
However, _FILE_OFFSET_BITS=64 changes all affected functions to be largefile-aware.
I'd like to restrict this to C++, just like gcc does.
To avoid a similar inconsistence with host compilers that don't predefine _FILE_OFFSET_BITS=64
(e.g. clang < 9, gcc < 9), this needs a compantion patch https://reviews.llvm.org/D64483.
Tested on x86_64-pc-solaris2.11.
Differential Revision: https://reviews.llvm.org/D64482
llvm-svn: 367305
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The Arm C Language Extensions for SVE document specifies that
__ARM_FEATURE_SVE should be set when the compiler supports SVE and
implements all the extensions described in the document.
This is currently not yet the case, so the feature should be disabled
until the compiler can provide all the extensions as described.
Reviewers: c-rhodes, rengolin, rovka, ktkachov
Reviewed By: rengolin
Differential Revision: https://reviews.llvm.org/D65404
llvm-svn: 367301
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Move the platform check out of PPC Linux toolchain code and add platform guards
to the intrinsic headers, since they are supported currently only on 64-bit
PowerPC targets.
Reviewed By: Jinsong Ji
Differential Revision: https://reviews.llvm.org/D64849
llvm-svn: 367281
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r367274 broke it
llvm-svn: 367276
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As discussed in D65249, don't use AlignedCharArray or std::aligned_storage. Just use alignas(X) char Buf[Size];. This will allow me to remove AlignedCharArray entirely, and works on the current minimum version of Visual Studio.
llvm-svn: 367274
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The `this` parameter of a thunk requires adjustment. Stop emitting an
incorrect dbg.declare pointing to the unadjusted pointer.
We could describe the adjusted value instead, but there may not be much
benefit in doing so as users tend not to debug thunks.
Robert O'Callahan reports that this matches gcc's behavior.
Fixes PR42627.
Differential Revision: https://reviews.llvm.org/D65035
llvm-svn: 367269
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GCC 9 in promoting it to an error by default.
llvm-svn: 367255
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check the formal rules rather than seeing if the normal checks produce a
diagnostic.
This fixes the handling of C++2a extensions in lambdas in C++17 mode,
as well as some corner cases in earlier language modes where we issue
diagnostics for things other than not satisfying the formal constexpr
requirements.
llvm-svn: 367254
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Factor out some of the renames from D63434 and D63442, and generate
half type convert_ builtins.
Patch by Pierre Gondois and Sven van Haastregt.
llvm-svn: 367229
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llvm-svn: 367225
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llvm-svn: 367193
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While we implemented taint propagation rules for several
builtin/standard functions, there's a natural desire for users to add
such rules to custom functions.
A series of patches will implement an option that allows users to
annotate their functions with taint propagation rules through a YAML
file. This one adds parsing of the configuration file, which may be
specified in the commands line with the analyzer config:
alpha.security.taint.TaintPropagation:Config. The configuration may
contain propagation rules, filter functions (remove taint) and sink
functions (give a warning if it gets a tainted value).
I also added a new header for future checkers to conveniently read YAML
files as checker options.
Differential Revision: https://reviews.llvm.org/D59555
llvm-svn: 367190
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Just a simple fix of Werror problem after r367165.
llvm-svn: 367177
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This is like r305666 (which added support for `if constexpr`) except
that it allows a macro name after the if.
This is slightly tricky for two reasons:
1. r305666 didn't add test coverage for all cases where it added a
kw_constexpr, so I had to figure out what all the added cases were
for. I now added tests for all `if constexpr` bits that didn't have
tests. (This took a while, see e.g. https://reviews.llvm.org/D65223)
2. Parsing `if <ident> (` as an if means that `#if defined(` and
`#if __has_include(` parse as ifs too. Add some special-case code
to prevent this from happening where it's incorrect.
Fixes PR39248.
Differential Revision: https://reviews.llvm.org/D65227
llvm-svn: 367167
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This reverts commit r367119.
This broke several bots:
http://lab.llvm.org:8011/builders/clang-atom-d525-fedora-rel/builds/26891/steps/ninja%20check%201/logs/FAIL%3A%20Clang%3A%3Aexception-alignment.cpp
http://green.lab.llvm.org/green/job/clang-stage1-cmake-RA-incremental/245/consoleFull
llvm-svn: 367166
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different approach
This morally relands r365703 (and r365714), originally reviewed at
https://reviews.llvm.org/D64527, but with a different implementation.
Relanding the same approach with a fix for the revert reason got a bit
involved (see https://reviews.llvm.org/D65108) so use a simpler approach
with a more localized implementation (that in return duplicates code
a bit more).
This approach also doesn't validate flags for the integrated assembler
if the assembler step doesn't run.
Fixes PR42066.
Differential Revision: https://reviews.llvm.org/D65233
llvm-svn: 367165
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Summary:
Do not automatically report self references of structs in statement expression
as warnings. Instead wait for uninitialized cfg analysis.
https://bugs.llvm.org/show_bug.cgi?id=42604
Reviewers: aaron.ballman, rsmith, nickdesaulniers
Reviewed By: aaron.ballman, nickdesaulniers
Subscribers: nathanchance, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D64678
llvm-svn: 367134
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The maximum alignment used by ARM arch
is 64bits, not 128.
This could cause overaligned memory
access for 128 bit neon vector that
have unpredictable behaviour.
This fixes: https://bugs.llvm.org/show_bug.cgi?id=42668
Patch by: Diogo Sampaio(diogo.sampaio@arm.com)
Differential Revision: https://reviews.llvm.org/D65000
Change-Id: I5a62b766491f15dd51e4cfe6625929db897f67e3
llvm-svn: 367119
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SPIR targets need to have all functions be SPIR calling convention,
however the CXXABIs were just returning CC_C in all non-'this-CC' cases.
https://reviews.llvm.org/D65294
llvm-svn: 367103
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This reverts commit r365985.
Prior to r365985, clang used to mark C union fields that have
non-trivial ObjC ownership qualifiers as unavailable if the union was
declared in a system header. r365985 stopped doing so, which caused the
swift compiler to crash when it tried to import a non-trivial union.
I have a patch that fixes the crash (https://reviews.llvm.org/D65256),
but I'm temporarily reverting the original patch until we can decide on
whether it's taking the right approach.
llvm-svn: 367076
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This CL adds an optional warning to diagnose uses of the
`__builtin_alloca` family of functions. The use of these functions is
discouraged by many, so it seems like a good idea to allow clang to warn
about it.
Patch by Elaina Guan!
Differential Revision: https://reviews.llvm.org/D64883
llvm-svn: 367067
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- Removing a few of the entries in the Flags for the Types.def table.
- Removing redundant parts of getCompilationPhases().
Flags have been removed from Types.def:
a - The type should only be assembled: Now, check that Phases contains
phases::Assemble but not phases::Compile or phases::Backend.
p - The type should only be precompiled: Now, check that Phases contains
phases::Precompile but that Flags does not contain 'm'.
m - Precompiling this type produces a module file: Now, check that
isPrepeocessedModuleType.
Differential Revision: https://reviews.llvm.org/D65176
llvm-svn: 367063
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This reverts commit fd1274fa78cb0fd32cc1fa2e6f5bb8e62d29df19.
Add an explicit triple for the test which is pattern matching overly
aggressively.
llvm-svn: 367055
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changes were made to the patch since then.
--------
[NewPM] Port Sancov
This patch contains a port of SanitizerCoverage to the new pass manager. This one's a bit hefty.
Changes:
- Split SanitizerCoverageModule into 2 SanitizerCoverage for passing over
functions and ModuleSanitizerCoverage for passing over modules.
- ModuleSanitizerCoverage exists for adding 2 module level calls to initialization
functions but only if there's a function that was instrumented by sancov.
- Added legacy and new PM wrapper classes that own instances of the 2 new classes.
- Update llvm tests and add clang tests.
llvm-svn: 367053
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Originally in https://reviews.llvm.org/D64656
Causes bot failures:
/home/buildslave/buildslave/clang-cmake-armv8-full/llvm/tools/clang/test/CodeGenCXX/pr40771-ctad-with-lambda-copy-capture.cpp:20:16: error: CHECK-NEXT: expected string not found in input
// CHECK-NEXT: call void @_ZN1RC1E1Q(%struct.R* [[TMP_R]])
^
<stdin>:37:2: note: scanning from here
%8 = call %struct.R* @_ZN1RC1E1Q(%struct.R* %1)
^
<stdin>:37:2: note: with "TMP_R" equal to "%1"
%8 = call %struct.R* @_ZN1RC1E1Q(%struct.R* %1)
^
<stdin>:37:17: note: possible intended match here
%8 = call %struct.R* @_ZN1RC1E1Q(%struct.R* %1)
^
llvm-svn: 367051
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A placeholder instruction for use in generation of cleanup code for an
initializer list would not be emitted if the base class contained a
non-trivial destructor and the class contains no fields of its own. This
would be the case when using CTAD to deduce the template arguments for a
struct with an overloaded call operator, e.g.
```
template <class... Ts> struct ctad : Ts... {};
template <class... Ts> ctad(Ts...)->ctad<Ts...>;
```
and this class was initialized with a list of lambdas capturing by copy,
e.g.
```
ctad c {[s](short){}, [s](long){}};
```
In a release build the bug would manifest itself as a crash in the SROA
pass, however, in a debug build the following assert in CGCleanup.cpp
would fail:
```
assert(dominatingIP && "no existing variable and no dominating IP!");
```
By ensuring that a placeholder instruction is emitted even if there's no
fields in the class, neither the assert nor the crash is reproducible.
See https://bugs.llvm.org/show_bug.cgi?id=40771
Patch by Øystein Dale!
llvm-svn: 367042
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Summary:
This is the first part of work announced in
"[RFC] Adding lifetime analysis to clang" [0],
i.e. the addition of the [[gsl::Owner(T)]] and
[[gsl::Pointer(T)]] attributes, which
will enable user-defined types to participate in
the lifetime analysis (which will be part of the
next PR).
The type `T` here is called "DerefType" in the paper,
and denotes the type that an Owner owns and a Pointer
points to. E.g. `std::vector<int>` should be annotated
with `[[gsl::Owner(int)]]` and
a `std::vector<int>::iterator` with `[[gsl::Pointer(int)]]`.
[0] http://lists.llvm.org/pipermail/cfe-dev/2018-November/060355.html
Reviewers: gribozavr
Subscribers: xazax.hun, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D63954
llvm-svn: 367040
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This seems to be an old vestage of a previous implementation of getting
the default calling convention, and everything is now using
CXXABI/ASTContext's getDefaultCallingConvention. Remove it, since it
isn't doing anything.
llvm-svn: 367039
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Summary:
This is useful for targets which have prefetch instructions for non-default address spaces.
<rdar://problem/42662136>
Subscribers: nemanjai, javed.absar, hiraditya, kbarton, jkorous, dexonsmith, cfe-commits, llvm-commits, RKSimon, hfinkel, t.p.northover, craig.topper, anemet
Tags: #clang, #llvm
Differential Revision: https://reviews.llvm.org/D65254
llvm-svn: 367032
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As passed in the Cologne meeting and treated by Core as a DR,
[[nodiscard]] was applied to constructors so that they can be diagnosed
in cases where the user forgets a variable name for a type.
The intent is to enable the library to start using this on the
constructors of scope_guard/lock_guard.
Differential Revision: https://reviews.llvm.org/D64914
llvm-svn: 367027
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Differential Revision: https://reviews.llvm.org/D65092
llvm-svn: 367010
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Rename lang mode flag to -cl-std=clc++/-cl-std=CLC++
or -std=clc++/-std=CLC++.
This aligns with OpenCL C conversion and removes ambiguity
with OpenCL C++.
Differential Revision: https://reviews.llvm.org/D65102
llvm-svn: 367008
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Summary:
When cross TU analysis is used it is possible that a macro expansion
is generated for a macro that is defined (and used) in other than
the main translation unit. To get the expansion for it the source
location in the original source file and original preprocessor
is needed.
Reviewers: martong, xazax.hun, Szelethus, ilya-biryukov
Reviewed By: Szelethus
Subscribers: mgorny, NoQ, ilya-biryukov, rnkovacs, dkrupp, Szelethus, gamesh411, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D64638
llvm-svn: 367006
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We reorder declarations in RecordDecls because they may have another order
in the "to" context than they have in the "from" context. This may happen
e.g when we import a class like this:
struct declToImport {
int a = c + b;
int b = 1;
int c = 2;
};
During the import of `a` we import first the dependencies in sequence,
thus the order would be `c`, `b`, `a`. We will get the normal order by
first removing the already imported members and then adding them in the
order as they apper in the "from" context.
Keeping field order is vital because it determines structure layout.
Reviewers: a_sidorin, shafik
Tags: #clang
Differential Revision: https://reviews.llvm.org/D44100
llvm-svn: 366997
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This adds a new vectorize predication loop hint:
#pragma clang loop vectorize_predicate(enable)
that can be used to indicate to the vectoriser that all (load/store)
instructions should be predicated (masked). This allows, for example, folding
of the remainder loop into the main loop.
This patch will be followed up with D64916 and D65197. The former is a
refactoring in the loopvectorizer and the groundwork to make tail loop folding
a more general concept, and in the latter the actual tail loop folding
transformation will be implemented.
Differential Revision: https://reviews.llvm.org/D64744
llvm-svn: 366989
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point precision loss"
This reverts commit r366972 which broke the following tests:
Clang :: CXX/dcl.decl/dcl.init/dcl.init.list/p7-0x.cpp
Clang :: CXX/dcl.decl/dcl.init/dcl.init.list/p7-cxx11-nowarn.cpp
llvm-svn: 366979
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precision loss
Issue an warning when the code tries to do an implicit int -> float
conversion, where the float type ha a narrower significant than the
float type.
The new warning is controlled by flag -Wimplicit-int-float-conversion,
under -Wimplicit-float-conversion and -Wconversion.
Differential Revision: https://reviews.llvm.org/D64666
llvm-svn: 366972
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Summary:
Move `-ftime-trace-granularity` option to frontend options. Without patch
this option is showed up in the help for any tool that links libSupport.
Reviewers: sammccall
Subscribers: hiraditya, cfe-commits, llvm-commits
Tags: #clang, #llvm
Differential Revision: https://reviews.llvm.org/D65202
llvm-svn: 366911
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Removed 2 trailing whitespaces in 2 files that used to be in different
repos to test my new github monorepo workflow.
llvm-svn: 366904
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Summary:
A new function will be added to get the original SourceLocation
for a SourceLocation that was imported as result of getCrossTUDefinition.
The returned SourceLocation is in the context of the (original)
SourceManager for the original source file. Additionally the
ASTUnit object for that source file is returned. This is needed
to get a SourceManager to operate on with the returned source location.
The new function works if multiple different source files are loaded
with the same CrossTU context.
Reviewers: martong, shafik
Reviewed By: martong
Subscribers: rnkovacs, dkrupp, Szelethus, gamesh411, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D65064
llvm-svn: 366884
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Suggested by sammccall in post-commit review of D65183
Reviewed By: sammccall
Differential Revision: https://reviews.llvm.org/D65194
llvm-svn: 366883
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