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* Use scope qualifiers in Clang's tblgen backends to get usefulJohn McCall2019-10-0111-64/+37
| | | | | | redeclaration checking. NFC. llvm-svn: 373406
* [OpenCL] Add version handling and add vector ld/st builtinsSven van Haastregt2019-09-191-7/+15
| | | | | | | | | | | | | | | | | | | Allow setting a MinVersion, stating from which OpenCL version a builtin function is available, and a MaxVersion, stating from which OpenCL version a builtin function should not be available anymore. Guard some definitions of the "work-item" builtin functions according to the OpenCL versions from which they are available. Add the "vector data load and store" builtin functions (e.g. vload/vstore), whose signatures differ before and after OpenCL 2.0 in the pointer argument address spaces. Patch by Pierre Gondois and Sven van Haastregt. Differential Revision: https://reviews.llvm.org/D63504 llvm-svn: 372321
* Add SpellingNotCalculated to Attribute Enums to suppress UBSan warningsErich Keane2019-09-171-0/+8
| | | | | | | UBSan downstreams noticed that the assignment of SpellingNotCalculated to the spellings caused warnings. llvm-svn: 372124
* Move some definitions from Sema to Basic to fix shared libs buildErich Keane2019-09-161-17/+17
| | | | | | | | r371875 moved some functionality around to a Basic header file, but didn't move its definitions as well. This patch moves some things around so that shared library building can work. llvm-svn: 371985
* Fix build error in 371875Erich Keane2019-09-131-2/+2
| | | | | | | | | Apparently Clang complains about the name hiding here in a way that my GCC build does not, so a shocking number of buildbots decided to tell me about it. Change the name of the variable to prevent the name hiding and hope we don't have to fix this again. llvm-svn: 371876
* [NFCI]Create CommonAttributeInfo Type as base type of *Attr and ParsedAttr.Erich Keane2019-09-131-57/+107
| | | | | | | | | | | | In order to enable future improvements to our attribute diagnostics, this moves info from ParsedAttr into CommonAttributeInfo, then makes this type the base of the *Attr and ParsedAttr types. Quite a bit of refactoring took place, including removing a bunch of redundant Spelling Index propogation. Differential Revision: https://reviews.llvm.org/D67368 llvm-svn: 371875
* [Clang Interpreter] Initial patch for the constexpr interpreterNandor Licker2019-09-134-0/+368
| | | | | | | | | | | | | | | | | | Summary: This patch introduces the skeleton of the constexpr interpreter, capable of evaluating a simple constexpr functions consisting of if statements. The interpreter is described in more detail in the RFC. Further patches will add more features. Reviewers: Bigcheese, jfb, rsmith Subscribers: bruno, uenoku, ldionne, Tyker, thegameg, tschuett, dexonsmith, mgorny, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D64146 llvm-svn: 371834
* [OpenCL] Add image type handling for builtinsSven van Haastregt2019-09-051-3/+67
| | | | | | | | | | | | | | | | | | | Image types were previously available, but not working. This patch adds image type handling. Rename the image type definitions in the .td file to make them consistent with other type names. Use abstract types to represent the unqualified types. Instantiate access-qualified image types at the point of use using, e.g. `ImageType<Image2d, "RO">`. Add/update TableGen definitions for the read_image/write_image builtin functions. Patch by Pierre Gondois and Sven van Haastregt. Differential Revision: https://reviews.llvm.org/D63480 llvm-svn: 371046
* Revert "[Clang Interpreter] Initial patch for the constexpr interpreter"Roman Lebedev2019-09-044-368/+0
| | | | | | | | | Breaks BUILD_SHARED_LIBS build, introduces cycles in library dependency graphs. (clangInterp depends on clangAST which depends on clangInterp) This reverts r370839, which is an yet another recommit of D64146. llvm-svn: 370874
* [Clang Interpreter] Initial patch for the constexpr interpreterNandor Licker2019-09-044-0/+368
| | | | | | | | | | | | | | | | | | Summary: This patch introduces the skeleton of the constexpr interpreter, capable of evaluating a simple constexpr functions consisting of if statements. The interpreter is described in more detail in the RFC. Further patches will add more features. Reviewers: Bigcheese, jfb, rsmith Subscribers: bruno, uenoku, ldionne, Tyker, thegameg, tschuett, dexonsmith, mgorny, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D64146 llvm-svn: 370839
* [OpenCL] Drop spurious semicolon in generated file; NFCSven van Haastregt2019-09-031-1/+1
| | | | llvm-svn: 370744
* [ARM NEON] Avoid duplicated decarationsDiogo N. Sampaio2019-09-031-3/+22
| | | | | | | | | | | | | | | | | | | | | | Summary: The declaration of arm neon intrinsics that are "big endian safe" print the same code for big and small endian targets. This patch avoids duplicates by checking if an intrinsic is safe to have a single definition. (decreases header 11k lines out of 73k). Reviewers: t.p.northover, ostannard, labrinea Reviewed By: ostannard Subscribers: kristof.beyls, cfe-commits, olista01 Tags: #clang Differential Revision: https://reviews.llvm.org/D66588 llvm-svn: 370716
* Revert [Clang Interpreter] Initial patch for the constexpr interpreterNandor Licker2019-09-024-368/+0
| | | | | | This reverts r370636 (git commit 8327fed9475a14c3376b4860c75370c730e08f33) llvm-svn: 370642
* [Clang Interpreter] Initial patch for the constexpr interpreterNandor Licker2019-09-024-0/+368
| | | | | | | | | | | | | | | | | | Summary: This patch introduces the skeleton of the constexpr interpreter, capable of evaluating a simple constexpr functions consisting of if statements. The interpreter is described in more detail in the RFC. Further patches will add more features. Reviewers: Bigcheese, jfb, rsmith Subscribers: bruno, uenoku, ldionne, Tyker, thegameg, tschuett, dexonsmith, mgorny, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D64146 llvm-svn: 370636
* Revert [Clang Interpreter] Initial patch for the constexpr interpreterNandor Licker2019-08-314-368/+0
| | | | | | This reverts r370584 (git commit afcb3de117265a69d21e5673356e925a454d7d02) llvm-svn: 370588
* [Clang Interpreter] Initial patch for the constexpr interpreterNandor Licker2019-08-314-0/+368
| | | | | | | | | | | | | | | | | | Summary: This patch introduces the skeleton of the constexpr interpreter, capable of evaluating a simple constexpr functions consisting of if statements. The interpreter is described in more detail in the RFC. Further patches will add more features. Reviewers: Bigcheese, jfb, rsmith Subscribers: bruno, uenoku, ldionne, Tyker, thegameg, tschuett, dexonsmith, mgorny, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D64146 llvm-svn: 370584
* Revert [Clang Interpreter] Initial patch for the constexpr interpreterNandor Licker2019-08-304-368/+0
| | | | | | This reverts r370531 (git commit d4c1002e0bbbbab50f6891cdd2f5bd3a8f3a3584) llvm-svn: 370535
* [Clang Interpreter] Initial patch for the constexpr interpreterNandor Licker2019-08-304-0/+368
| | | | | | | | | | | | | | | | | | Summary: This patch introduces the skeleton of the constexpr interpreter, capable of evaluating a simple constexpr functions consisting of if statements. The interpreter is described in more detail in the RFC. Further patches will add more features. Reviewers: Bigcheese, jfb, rsmith Subscribers: bruno, uenoku, ldionne, Tyker, thegameg, tschuett, dexonsmith, mgorny, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D64146 llvm-svn: 370531
* Revert [Clang Interpreter] Initial patch for the constexpr interpreterNandor Licker2019-08-304-368/+0
| | | | | | This reverts r370476 (git commit a5590950549719d0d9ea69ed164b0c8c0f4e02e6) llvm-svn: 370481
* [Clang Interpreter] Initial patch for the constexpr interpreterNandor Licker2019-08-304-0/+368
| | | | | | | | | | | | | | | | | | Summary: This patch introduces the skeleton of the constexpr interpreter, capable of evaluating a simple constexpr functions consisting of if statements. The interpreter is described in more detail in the RFC. Further patches will add more features. Reviewers: Bigcheese, jfb, rsmith Subscribers: bruno, uenoku, ldionne, Tyker, thegameg, tschuett, dexonsmith, mgorny, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D64146 llvm-svn: 370476
* [OpenCL] Microoptimize OCL2Qual a bitBenjamin Kramer2019-08-241-9/+11
| | | | | | Still not optimal, but makes clang 25k smaller. llvm-svn: 369846
* Retire llvm::less_ptr. llvm::deref is much more flexible.Benjamin Kramer2019-08-221-2/+2
| | | | llvm-svn: 369675
* [OpenCL] Add const, volatile and pointer builtin handlingSven van Haastregt2019-08-201-2/+36
| | | | | | | | | | | | | | Const, volatile, and pointer types were previously available, but not working. This patch adds handling for OpenCL builtin functions. Add TableGen definitions for some atomic and asynchronous builtins to make use of the new functionality. Patch by Pierre Gondois and Sven van Haastregt. Differential Revision: https://reviews.llvm.org/D63442 llvm-svn: 369373
* [OpenCL] Add generic type handling for builtin functionsSven van Haastregt2019-08-191-103/+326
| | | | | | | | | | | | | | | | | | Generic types are an abstraction of type sets. It mimics the way functions are defined in the OpenCL specification. For example, floatN can abstract all the vector sizes of the float type. This allows to * stick more closely to the specification, which uses generic types; * factorize definitions of functions with numerous prototypes in the tablegen file; and * reduce the memory impact of functions with many overloads. Patch by Pierre Gondois and Sven van Haastregt. Differential Revision: https://reviews.llvm.org/D65456 llvm-svn: 369253
* [Clang] Migrate llvm::make_unique to std::make_uniqueJonas Devlieghere2019-08-142-26/+26
| | | | | | | | | | Now that we've moved to C++14, we no longer need the llvm::make_unique implementation from STLExtras.h. This patch is a mechanical replacement of (hopefully) all the llvm::make_unique instances across the monorepo. Differential revision: https://reviews.llvm.org/D66259 llvm-svn: 368942
* Add lifetime categories attributesMatthias Gehre2019-07-251-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* [OpenCL] Make TableGen'd builtin tables and helper functions staticTom Stellard2019-07-151-3/+3
| | | | | | | | | | | | | | Reviewers: Pierre, Anastasia Reviewed By: Anastasia Subscribers: yaxunl, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D64608 llvm-svn: 366143
* P0840R2: support for [[no_unique_address]] attributeRichard Smith2019-06-201-12/+26
| | | | | | | | | | | | | | | | | Summary: Add support for the C++2a [[no_unique_address]] attribute for targets using the Itanium C++ ABI. This depends on D63371. Reviewers: rjmccall, aaron.ballman Subscribers: dschuff, aheejin, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D63451 llvm-svn: 363976
* [OpenCL] Declare builtin functions using TableGenSven van Haastregt2019-06-034-0/+328
| | | | | | | | | | | | | | | | | | | | | | | This patch adds a `-fdeclare-opencl-builtins` command line option to the clang frontend. This enables clang to verify OpenCL C builtin function declarations using a fast StringMatcher lookup, instead of including the opencl-c.h file with the `-finclude-default-header` option. This avoids the large parse time penalty of the header file. This commit only adds the basic infrastructure and some of the OpenCL builtins. It does not cover all builtins defined by the various OpenCL specifications. As such, it is not a replacement for `-finclude-default-header` yet. RFC: http://lists.llvm.org/pipermail/cfe-dev/2018-November/060041.html Co-authored-by: Pierre Gondois Co-authored-by: Joey Gouly Co-authored-by: Sven van Haastregt Differential Revision: https://reviews.llvm.org/D60763 llvm-svn: 362371
* Add the `objc_class_stub` attribute.John McCall2019-05-301-31/+34
| | | | | | | | | | | | | | | | | | | | | | | | | Swift requires certain classes to be not just initialized lazily on first use, but actually allocated lazily using information that is only available at runtime. This is incompatible with ObjC class initialization, or at least not efficiently compatible, because there is no meaningful class symbol that can be put in a class-ref variable at load time. This leaves ObjC code unable to access such classes, which is undesirable. objc_class_stub says that class references should be resolved by calling a new ObjC runtime function with a pointer to a new "class stub" structure. Non-ObjC compilers (like Swift) can simply emit this structure when ObjC interop is required for a class that cannot be statically allocated, then apply this attribute to the `@interface` in the generated ObjC header for the class. This attribute can be thought of as a generalization of the existing `objc_runtime_visible` attribute which permits more efficient class resolution as well as supporting the additon of categories to the class. Subclassing these classes from ObjC is currently not allowed. Patch by Slava Pestov! llvm-svn: 362054
* [analyzer] List checker/plugin options in 3 categories: released, alpha, ↵Kristof Umann2019-05-231-0/+18
| | | | | | | | | | | | developer Same patch as D62093, but for checker/plugin options, the only difference being that options for alpha checkers are implicitly marked as alpha. Differential Revision: https://reviews.llvm.org/D62093 llvm-svn: 361566
* [analyzer] Hide developer-only checker/package options by defaultKristof Umann2019-05-231-32/+37
| | | | | | | | | These options are now only visible under -analyzer-checker-option-help-developer. Differential Revision: https://reviews.llvm.org/D61839 llvm-svn: 361561
* Clang-formatting the header in advance of other planned changes; NFC.Aaron Ballman2019-05-221-21/+37
| | | | llvm-svn: 361378
* [analyzer] Don't display implementation checkers under ↵Kristof Umann2019-05-011-2/+18
| | | | | | | | | | | | | | | | | | | | | | | -analyzer-checker-help, but do under the new flag -analyzer-checker-help-hidden During my work on analyzer dependencies, I created a great amount of new checkers that emitted no diagnostics at all, and were purely modeling some function or another. However, the user shouldn't really disable/enable these by hand, hence this patch, which hides these by default. I intentionally chose not to hide alpha checkers, because they have a scary enough name, in my opinion, to cause no surprise when they emit false positives or cause crashes. The patch introduces the Hidden bit into the TableGen files (you may remember it before I removed it in D53995), and checkers that are either marked as hidden, or are in a package that is marked hidden won't be displayed under -analyzer-checker-help. -analyzer-checker-help-hidden, a new flag meant for developers only, displays the full list. Differential Revision: https://reviews.llvm.org/D60925 llvm-svn: 359720
* Use llvm::stable_sortFangrui Song2019-04-241-6/+2
| | | | llvm-svn: 359098
* [analyzer][NFC] Reimplement checker optionsKristof Umann2019-04-191-4/+103
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | TL;DR: * Add checker and package options to the TableGen files * Added a new class called CmdLineOption, and both Package and Checker recieved a list<CmdLineOption> field. * Added every existing checker and package option to Checkers.td. * The CheckerRegistry class * Received some comments to most of it's inline classes * Received the CmdLineOption and PackageInfo inline classes, a list of CmdLineOption was added to CheckerInfo and PackageInfo * Added addCheckerOption and addPackageOption * Added a new field called Packages, used in addPackageOptions, filled up in addPackage Detailed description: In the last couple months, a lot of effort was put into tightening the analyzer's command line interface. The main issue is that it's spectacularly easy to mess up a lenghty enough invocation of the analyzer, and the user was given no warnings or errors at all in that case. We can divide the effort of resolving this into several chapters: * Non-checker analyzer configurations: Gather every analyzer configuration into a dedicated file. Emit errors for non-existent configurations or incorrect values. Be able to list these configurations. Tighten AnalyzerOptions interface to disallow making such a mistake in the future. * Fix the "Checker Naming Bug" by reimplementing checker dependencies: When cplusplus.InnerPointer was enabled, it implicitly registered unix.Malloc, which implicitly registered some sort of a modeling checker from the CStringChecker family. This resulted in all of these checker objects recieving the name "cplusplus.InnerPointer", making AnalyzerOptions asking for the wrong checker options from the command line: cplusplus.InnerPointer:Optimisic istead of unix.Malloc:Optimistic. This was resolved by making CheckerRegistry responsible for checker dependency handling, instead of checkers themselves. * Checker options: (this patch included!) Same as the first item, but for checkers. (+ minor fixes here and there, and everything else that is yet to come) There were several issues regarding checker options, that non-checker configurations didn't suffer from: checker plugins are loaded runtime, and they could add new checkers and new options, meaning that unlike for non-checker configurations, we can't collect every checker option purely by generating code. Also, as seen from the "Checker Naming Bug" issue raised above, they are very rarely used in practice, and all sorts of skeletons fell out of the closet while working on this project. They were extremely problematic for users as well, purely because of how long they were. Consider the following monster of a checker option: alpha.cplusplus.UninitializedObject:CheckPointeeInitialization=false While we were able to verify whether the checker itself (the part before the colon) existed, any errors past that point were unreported, easily resulting in 7+ hours of analyses going to waste. This patch, similarly to how dependencies were reimplemented, uses TableGen to register checker options into Checkers.td, so that Checkers.inc now contains entries for both checker and package options. Using the preprocessor, Checkers.inc is converted into code in CheckerRegistry, adding every builtin (checkers and packages that have an entry in the Checkers.td file) checker and package option to the registry. The new addPackageOption and addCheckerOption functions expose the same functionality to statically-linked non-builtin and plugin checkers and packages as well. Emitting errors for incorrect user input, being able to list these options, and some other functionalies will land in later patches. Differential Revision: https://reviews.llvm.org/D57855 llvm-svn: 358752
* Use llvm::is_contained. NFCFangrui Song2019-02-101-2/+2
| | | | llvm-svn: 353635
* [ASTDump] Rename methods which are conceptually VisitsStephen Kelly2019-01-301-3/+3
| | | | | | | This is consistent with the TextNodeDumper, and is the appropriate name for the traverser class which will be extracted. llvm-svn: 352657
* [analyzer] Reimplement dependencies between checkersKristof Umann2019-01-261-16/+60
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unfortunately, up until now, the fact that certain checkers depended on one another was known, but how these actually unfolded was hidden deep within the implementation. For example, many checkers (like RetainCount, Malloc or CString) modelled a certain functionality, and exposed certain reportable bug types to the user. For example, while MallocChecker models many many different types of memory handling, the actual "unix.MallocChecker" checker the user was exposed to was merely and option to this modeling part. Other than this being an ugly mess, this issue made resolving the checker naming issue almost impossible. (The checker naming issue being that if a checker registered more than one checker within its registry function, both checker object recieved the same name) Also, if the user explicitly disabled a checker that was a dependency of another that _was_ explicitly enabled, it implicitly, without "telling" the user, reenabled it. Clearly, changing this to a well structured, declarative form, where the handling of dependencies are done on a higher level is very much preferred. This patch, among the detailed things later, makes checkers declare their dependencies within the TableGen file Checkers.td, and exposes the same functionality to plugins and statically linked non-generated checkers through CheckerRegistry::addDependency. CheckerRegistry now resolves these dependencies, makes sure that checkers are added to CheckerManager in the correct order, and makes sure that if a dependency is disabled, so will be every checker that depends on it. In detail: * Add a new field to the Checker class in CheckerBase.td called Dependencies, which is a list of Checkers. * Move unix checkers before cplusplus, as there is no forward declaration in tblgen :/ * Add the following new checkers: - StackAddrEscapeBase - StackAddrEscapeBase - CStringModeling - DynamicMemoryModeling (base of the MallocChecker family) - IteratorModeling (base of the IteratorChecker family) - ValistBase - SecuritySyntaxChecker (base of bcmp, bcopy, etc...) - NSOrCFErrorDerefChecker (base of NSErrorChecker and CFErrorChecker) - IvarInvalidationModeling (base of IvarInvalidation checker family) - RetainCountBase (base of RetainCount and OSObjectRetainCount) * Clear up and registry functions in MallocChecker, happily remove old FIXMEs. * Add a new addDependency function to CheckerRegistry. * Neatly format RUN lines in files I looked at while debugging. Big thanks to Artem Degrachev for all the guidance through this project! Differential Revision: https://reviews.llvm.org/D54438 llvm-svn: 352287
* Update the file headers across all of the LLVM projects in the monorepoChandler Carruth2019-01-1911-44/+33
| | | | | | | | | | | | | | | | | to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
* Emit !callback metadata and introduce the callback attributeJohannes Doerfert2019-01-191-0/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | With commit r351627, LLVM gained the ability to apply (existing) IPO optimizations on indirections through callbacks, or transitive calls. The general idea is that we use an abstraction to hide the middle man and represent the callback call in the context of the initial caller. It is described in more detail in the commit message of the LLVM patch r351627, the llvm::AbstractCallSite class description, and the language reference section on callback-metadata. This commit enables clang to emit !callback metadata that is understood by LLVM. It does so in three different cases: 1) For known broker functions declarations that are directly generated, e.g., __kmpc_fork_call for the OpenMP pragma parallel. 2) For known broker functions that are identified by their name and source location through the builtin detection, e.g., pthread_create from the POSIX thread API. 3) For user annotated functions that carry the "callback(callee, ...)" attribute. The attribute has to include the name, or index, of the callback callee and how the passed arguments can be identified (as many as the callback callee has). See the callback attribute documentation for detailed information. Differential Revision: https://reviews.llvm.org/D55483 llvm-svn: 351629
* Implement Attr dumping in terms of visitorsStephen Kelly2019-01-113-35/+73
| | | | | | | | | | | | | | Remove now-vestigial dumpType and dumpBareDeclRef methods. The old tablegen generated code used to expect them to be present, but the new generated code has no such requirement. Reviewers: aaron.ballman Subscribers: mgorny, cfe-commits Differential Revision: https://reviews.llvm.org/D55492 llvm-svn: 350958
* Improving this fatal diagnostic to help checker developers figure out what's ↵Aaron Ballman2018-12-221-3/+4
| | | | | | actually gone wrong when they hit it. llvm-svn: 350004
* Switch from cast<> to dyn_cast<>.Aaron Ballman2018-12-211-2/+5
| | | | | | This avoids a potential failed assertion that is happening on someone's out-of-tree build. llvm-svn: 349940
* Allow direct navigation to static analysis checker documentation through ↵Aaron Ballman2018-12-201-1/+37
| | | | | | | | SARIF exports. This adds anchors to all of the documented checks so that you can directly link to a check by a stable name. This is useful because the SARIF file format has a field for specifying a URI to documentation for a rule and some viewers, like CodeSonar, make use of this information. These links are then exposed through the SARIF exporter. llvm-svn: 349812
* NFC: Make this test kinder on downstream forksErik Pilkington2018-12-041-6/+2
| | | | | | | | | | | Downstream forks that have their own attributes often run into this test failing when a new attribute is added to clang because the number of supported attributes no longer match. This is redundant information for this test, so we can get by without it. rdar://46288577 llvm-svn: 348218
* [analyzer] Drastically simplify the tblgen files used for checkersKristof Umann2018-11-121-239/+13
| | | | | | | | | | | | Interestingly, only about the quarter of the emitter file is used, the DescFile entry hasn't ever been touched [1], and the entire concept of groups is a mystery, so I removed them. [1] http://lists.llvm.org/pipermail/cfe-dev/2018-October/059664.html Differential Revision: https://reviews.llvm.org/D53995 llvm-svn: 346680
* [AArch64] Implement FP16FML intrinsicsBryan Chan2018-10-251-0/+37
| | | | | | | | | | | | | Generate the FP16FML intrinsics into arm_neon.h (AArch64 only for now). Add two new type modifiers to NeonEmitter to handle the new prototypes. Define __ARM_FEATURE_FP16FML when +fp16fml is enabled and guard the intrinsics with the macro in arm_neon.h. Based on a patch by Gao Yiling. Differential Revision: https://reviews.llvm.org/D53633 llvm-svn: 345344
* Support accepting __gnu__ as a scoped attribute namespace that aliases to gnu.Aaron Ballman2018-10-241-9/+9
| | | | | | This is useful in libstdc++ to avoid clashes with identifiers in the user's namespace. llvm-svn: 345132
* Remove top-level using declaration from header files, as these aliases leak.Sam McCall2018-10-121-45/+42
| | | | | | | | | | Reviewers: ilya-biryukov Subscribers: arphaman, cfe-commits Differential Revision: https://reviews.llvm.org/D53135 llvm-svn: 344337
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