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* [clang] Use the new Regex::isValid() with no parameterJan Kratochvil2019-08-201-2/+1
| | | | | | Differential Revision: https://reviews.llvm.org/D66463 llvm-svn: 369397
* [Syntax] Added function to get macro expansion tokens to TokenBuffer.Johan Vikstrom2019-08-201-0/+15
| | | | | | | | | | | | | | | | Summary: Returns the first token in every mapping where the token is an identifier. This API is required to be able to highlight macro expansions in clangd. Reviewers: hokein, ilya-biryukov Subscribers: kadircet, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D66470 llvm-svn: 369385
* [OpenCL] Add const, volatile and pointer builtin handlingSven van Haastregt2019-08-201-13/+85
| | | | | | | | | | | | | | 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
* [CallGraph] Take into accound calls that aren't within any function bodies.Artem Dergachev2019-08-201-1/+36
| | | | | | | | | | | | This patch improves Clang call graph analysis by adding in expressions that are not found in regular function bodies, such as default arguments or member initializers. Patch by Joshua Cranmer! Differential Revision: https://reviews.llvm.org/D65453 llvm-svn: 369321
* [analyzer] NFC: Rename GRBugReporter to PathSensitiveBugReporter.Artem Dergachev2019-08-201-8/+13
| | | | | | The GR prefix is super ancient. llvm-svn: 369320
* [analyzer] NFC: Drop support for extra text attached to bug reports.Artem Dergachev2019-08-201-5/+0
| | | | | | It was introduced in 2011 but never used since then. llvm-svn: 369319
* [Support][Time profiler] Make FE codegen blocks to be inside frontend blocksAnton Afanasyev2019-08-191-0/+2
| | | | | | | | | | | | | | | | | | | | | | Summary: Add `Frontend` time trace entry to `HandleTranslationUnit()` function. Add test to check all codegen blocks are inside frontend blocks. Also, change `--time-trace-granularity` option a bit to make sure very small time blocks are outputed to json-file when using `--time-trace-granularity=0`. This fixes http://llvm.org/pr41969 Reviewers: russell.gallop, lebedev.ri, thakis Reviewed By: russell.gallop Subscribers: vsapsai, aras-p, lebedev.ri, hiraditya, cfe-commits, llvm-commits Tags: #clang, #llvm Differential Revision: https://reviews.llvm.org/D63325 llvm-svn: 369308
* Implement P1668R1Erich Keane2019-08-192-0/+4
| | | | | | | Allow inline assembly statements in unexecuted branches of constexpr functions. llvm-svn: 369281
* Don't keep stale pointers to LoopInfos.Aaron Ballman2019-08-192-7/+8
| | | | | | | | CGLoopInfo was keeping pointers to parent loop LoopInfos, but when the loop info vector grew, it reallocated the storage and invalidated all of the parent pointers, causing use-after-free. Manage the lifetimes of the LoopInfos separately so that the pointers aren't stale. Patch by Bevin Hansson. llvm-svn: 369259
* [OpenCL] Add generic type handling for builtin functionsSven van Haastregt2019-08-192-146/+266
| | | | | | | | | | | | | | | | | | 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
* [OpenCL] Fix addr space deduction for pointers/references to arrays.Anastasia Stulova2019-08-191-2/+16
| | | | | | | | | | | Rewrite the logic for detecting if we are deducing addr space of a pointee type to take into account special logic for arrays. For pointers/references to arrays we can have any number of parentheses expressions as well as nested pointers. Differential Revision: https://reviews.llvm.org/D66137 llvm-svn: 369251
* [Diagnostics] Diagnose misused xor as powDavid Bolvansky2019-08-181-1/+105
| | | | | | | | | | | | | | | | | | | | Summary: Motivation: https://twitter.com/jfbastien/status/1139298419988549632 https://twitter.com/mikemx7f/status/1139335901790625793 https://codesearch.isocpp.org/cgi-bin/cgi_ppsearch?q=10+%5E&search=Search Reviewers: jfb, rsmith, regehr, aaron.ballman Reviewed By: aaron.ballman Subscribers: lebedev.ri, Quuxplusone, erik.pilkington, riccibruno, dexonsmith, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D63423 llvm-svn: 369217
* [clang-format] Fix a bug that joins template closer and =Owen Pan2019-08-181-1/+1
| | | | | | | | | | Also fixes the documentation for SpaceBeforeAssignmentOperators. See discussions at https://reviews.llvm.org/D66332 Differential Revision: https://reviews.llvm.org/D66384 llvm-svn: 369214
* [Diagnostics] Improve -Wsizeof-pointer-divDavid Bolvansky2019-08-181-2/+8
| | | | | | | Emit diag note with a location of pointer declaration. Revisited/added tests. llvm-svn: 369206
* [SemaDeclCXX] Allow inheriting constructor declaration to specify a ↵Tan S. B.2019-08-171-1/+2
| | | | | | | | cv-qualified type Differential Revision: https://reviews.llvm.org/D47419 llvm-svn: 369196
* [analyzer] Turn an assert into an if conditionKristof Umann2019-08-171-4/+3
| | | | | | | Shocker, turns out that terminator conditions that are binary operators aren't always logical operators. llvm-svn: 369195
* [X86] Support -mlong-double-80Troy A. Johnson2019-08-171-4/+5
| | | | | | | | | | | | | Add an option group for all of the -mlong-double-* options and make -mlong-double-80 restore the default long double behavior for X86. The motivations are that GNU accepts the -mlong-double-80 option and that complex Makefiles often need a way of undoing earlier options. Prior to this commit, if one chooses 64-bit or 128-bit long double for X86, there is no way to undo that choice and restore the 80-bit behavior. Differential Revision: https://reviews.llvm.org/D66055 llvm-svn: 369183
* Reland "[ARM] push LR before __gnu_mcount_nc"Jian Cai2019-08-161-1/+1
| | | | | | | | This relands r369147 with fixes to unit tests. https://reviews.llvm.org/D65019 llvm-svn: 369173
* Revert "[X86] Support -mlong-double-80"Troy A. Johnson2019-08-161-6/+4
| | | | | | | This reverts commit 250aafa2c4a1bc2395edfe8d4365545bbe56fffe. Caused buildbot failures -- still investigating. llvm-svn: 369170
* [clang-format] Fix the bug that joins template closer and > or >>Owen Pan2019-08-161-0/+2
| | | | | | | | | | Also fixes a buggy test case. See PR42404 Differential Revision: https://reviews.llvm.org/D66332 llvm-svn: 369157
* [X86] Support -mlong-double-80Troy A. Johnson2019-08-161-4/+6
| | | | | | | | | | | | | Add an option group for all of the -mlong-double-* options and make -mlong-double-80 restore the default long double behavior for X86. The motivations are that GNU accepts the -mlong-double-80 option and that complex Makefiles often need a way of undoing earlier options. Prior to this commit, if one chooses 64-bit or 128-bit long double for X86, there is no way to undo that choice and restore the 80-bit behavior. Differential Revision: https://reviews.llvm.org/D66055 llvm-svn: 369152
* Revert "[ARM] push LR before __gnu_mcount_nc"Jian Cai2019-08-161-1/+1
| | | | | | This reverts commit f4cf3b959333f62b7a7b2d7771f7010c9d8da388. llvm-svn: 369149
* [ARM] push LR before __gnu_mcount_ncJian Cai2019-08-161-1/+1
| | | | | | | | | Push LR register before calling __gnu_mcount_nc as it expects the value of LR register to be the top value of the stack on ARM32. Differential Revision: https://reviews.llvm.org/D65019 llvm-svn: 369147
* [OPENMP5.0]Diagnose global variables in lambda not marked as declareAlexey Bataev2019-08-161-2/+24
| | | | | | | | target. According to OpenMP 5.0, if a lambda declaration and definition appears between a declare target directive and the matching end declare target directive, all variables that are captured by the lambda expression must also appear in a to clause. llvm-svn: 369146
* Stop abusing SuppressAllDiagnostics when speculatively determiningRichard Smith2019-08-163-17/+15
| | | | | | whether an expression would be valid during error recovery. llvm-svn: 369145
* [ASTImporter] Import ctor initializers after setting flags.Balazs Keri2019-08-161-17/+17
| | | | | | | | | | | | | | | | | | | | Summary: Code to import "ctor initializers" at import of functions is moved to be after the flags in the newly created function are imported. This fixes an error when the already created but incomplete (flags are not set) function declaration is accessed. Reviewers: martong, shafik, a_sidorin, a.sidorin Reviewed By: shafik Subscribers: rnkovacs, dkrupp, Szelethus, gamesh411, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D65935 llvm-svn: 369098
* [RISCV] Add inline asm constraint A for RISC-VLewis Revill2019-08-161-0/+4
| | | | | | | | | | | | This allows the constraint A to be used in inline asm for RISC-V, which allows an address held in a register to be used. This patch adds the minimal amount of code required to get operands with the right constraints to compile. Differential Revision: https://reviews.llvm.org/D54295 llvm-svn: 369093
* [analyzer] Analysis: Silence checkersCsaba Dabis2019-08-164-43/+64
| | | | | | | | | | | | | | | | | | | | | | | Summary: This patch introduces a new `analyzer-config` configuration: `-analyzer-config silence-checkers` which could be used to silence the given checkers. It accepts a semicolon separated list, packed into quotation marks, e.g: `-analyzer-config silence-checkers="core.DivideZero;core.NullDereference"` It could be used to "disable" core checkers, so they model the analysis as before, just if some of them are too noisy it prevents to emit reports. This patch also adds support for that new option to the scan-build. Passing the option `-disable-checker core.DivideZero` to the scan-build will be transferred to `-analyzer-config silence-checkers=core.DivideZero`. Reviewed By: NoQ, Szelethus Differential Revision: https://reviews.llvm.org/D66042 llvm-svn: 369078
* [Rewrite][NFC] Add FIXMEs and tests for RemoveLineIfEmpty bugJoel E. Denny2019-08-151-0/+11
| | | | | | | | | | | | | | | | | | | | I'd like to add these comments to warn others of problems I encountered when trying to use `RemoveLineIfEmpty`. I originally tried to fix the problem, but I realized I could implement the functionality more easily and efficiently in my calling code where I can make the simplifying assumption that there are no prior edits to the line from which text is being removed. While I've lost the motivation to write a fix, which doesn't look easy, I figure a warning to others is better than silence. I've added a unit test to demonstrate the problem. I don't know how to mark it as an expected failure, so I just marked it disabled. Reviewed By: jkorous Differential Revision: https://reviews.llvm.org/D61466 llvm-svn: 369049
* [Sema] Implement DR2386 for C++17 structured bindingReid Kleckner2019-08-151-7/+4
| | | | | | | | | | | | | | | | | | Allow implementations to provide complete definitions of std::tuple_size<T>, but to omit the 'value' member to signal that T is not tuple-like. The Microsoft standard library implements std::tuple_size<const T> this way. If the value member exists, clang still validates that it is an ICE, but if it does not, then the type is considered to not be tuple-like. Fixes PR33236 Reviewers: rsmith Differential Revision: https://reviews.llvm.org/D66040 llvm-svn: 369043
* [WebAssembly] Correctly handle va_arg of zero-sized structuresGuanzhong Chen2019-08-151-2/+3
| | | | | | | | | | | | | | | | | | | | | Summary: D66168 passes size 0 structs indirectly, while the wasm backend expects it to be passed directly. This causes subsequent variadic arguments to be read incorrectly. This diff changes it so that size 0 structs are passed directly. Reviewers: dschuff, tlively, sbc100 Reviewed By: dschuff Subscribers: jgravelle-google, aheejin, sunfish, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D66255 llvm-svn: 369042
* Allow standards-based attributes to have leading and trailing underscores.Aaron Ballman2019-08-151-1/+2
| | | | | | This gives library implementers a way to use standards-based attributes that do not conflict with user-defined macros of the same name. Attributes in C2x require this behavior normatively (C2x 6.7.11p4), but there's no reason to not have the same behavior in C++, especially given that such attributes may be used by a C library consumed by a C++ compilation. llvm-svn: 369033
* Replace llvm::integer_sequence and friends with the C++14 standard versionBenjamin Kramer2019-08-151-2/+2
| | | | | | The implementation in libc++ takes O(1) compile time, ours was O(n). llvm-svn: 368990
* [analyzer] Warn about -analyzer-configs being meant for development purposes ↵Kristof Umann2019-08-151-5/+16
| | | | | | | | | | | | only This is more of a temporary fix, long term, we should convert AnalyzerOptions.def into the universally beloved (*coughs*) TableGen format, where they can more easily be separated into developer-only, alpha, and user-facing configs. Differential Revision: https://reviews.llvm.org/D66261 llvm-svn: 368980
* [clang] Loop pragma parsing. NFC.Sjoerd Meijer2019-08-151-18/+13
| | | | | | | | Just a refactoring and a tidy up. Differential Revision: https://reviews.llvm.org/D64564 llvm-svn: 368976
* [Clang] Pragma vectorize_predicate implies vectorizeSjoerd Meijer2019-08-151-6/+15
| | | | | | | | | | New pragma "vectorize_predicate(enable)" now implies "vectorize(enable)", and it is ignored when vectorization is disabled with e.g. "vectorize(disable) vectorize_predicate(enable)". Differential Revision: https://reviews.llvm.org/D65776 llvm-svn: 368970
* [Tooling] Add a hack to work around issues with matcher binding in r368681.David L. Jones2019-08-151-2/+4
| | | | | | | | | | | | | | | | | | | | | | The change in r368681 contains a (probably unintentional) behavioral change for rewrite rules with a single matcher. Previously, the single matcher would not need to be bound (`joinCaseMatchers` returned it directly), even though a final DynTypeMatcher was created and bound by `buildMatcher`. With the new change, a single matcher will be bound, in addition to the final binding (which is now in `buildMatchers`, but happens roughly at the same point in the overall flow). This patch simply duplicates the "final matcher" trick: it creates an extra DynTypedMatcher for each rewrite rule case matcher, and unconditionally makes it bindable. This is probably not the right long-term fix, but it does allow existing code to continue to work with this interface. Subscribers: cfe-commits, gribozavr, ymandel Tags: #clang Differential Revision: https://reviews.llvm.org/D66273 llvm-svn: 368958
* [Clang] Migrate llvm::make_unique to std::make_uniqueJonas Devlieghere2019-08-14199-606/+606
| | | | | | | | | | 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
* Fix handling of class member access into a vector type.Richard Smith2019-08-142-8/+18
| | | | | | | | | | | | | | | | | | | | | | When handling a member access into a non-class, non-ObjC-object type, we would perform a lookup into the surrounding scope as if for an unqualified lookup. If the member access was followed by a '<' and this lookup (or the typo-correction for it) found a template name, we'd treat the member access as naming that template. Now we treat such accesses as never naming a template if the type of the object expression is of vector type, so that vector component accesses are never misinterpreted as naming something else. This is not entirely correct, since it is in fact valid to name a template from the enclosing scope in this context, when invoking a pseudo-destructor for the vector type via an alias template, but that's very much a corner case, and this change leaves that case only as broken as the corresponding case for Objective-C types is. This incidentally adds support for dr2292, which permits a 'template' keyword at the start of a member access naming a pseudo-destructor. llvm-svn: 368940
* [LifetimeAnalysis] Support std::stack::top() and std::optional::value()Matthias Gehre2019-08-141-1/+1
| | | | | | | | | | | | | | Summary: Diagnose dangling pointers that come from std::stack::top() and std::optional::value(). Reviewers: gribozavr Subscribers: cfe-commits, xazax.hun Tags: #clang Differential Revision: https://reviews.llvm.org/D66164 llvm-svn: 368929
* [AMDGPU] Do not assume a default GCN targetStanislav Mekhanoshin2019-08-141-4/+1
| | | | | | Differential Revision: https://reviews.llvm.org/D66246 llvm-svn: 368917
* [OPENMP]Support for non-rectangular loops.Alexey Bataev2019-08-145-84/+580
| | | | | | | | Added basic support for non-rectangular loops. It requires an additional analysis of min/max boundaries for non-rectangular loops. Since only linear dependency is allowed, we can do this analysis. llvm-svn: 368903
* [CFG] Introduce CFGElementRef, a wrapper that knows it's position in a CFGBlockKristof Umann2019-08-141-0/+4
| | | | | | | | | | | | | | | | Previously, collecting CFGElements in a set was practially impossible, because both CFGBlock::operator[] and both the iterators returned it by value. One workaround would be to collect the iterators instead, but they don't really capture the concept of an element, and elements from different iterator types are incomparable. This patch introduces CFGElementRef, a wrapper around a (CFGBlock, Index) pair, and a variety of new iterators and iterator ranges to solve this problem. I guess you could say that this patch took a couple iterations to get right :^) Differential Revision: https://reviews.llvm.org/D65196 llvm-svn: 368883
* [NFC][clang] Moving argument handling: Driver::BuildActions -> handleArgumentsPuyan Lotfi2019-08-141-114/+118
| | | | | | | | | | This patch simply moves code that already exists into a new function. Specifically I think it will make the BuildActions code for building a clang job pipeline easier to read and work with. Differential Revision: https://reviews.llvm.org/D66058 llvm-svn: 368881
* [Sema][ObjC] Fix a -Wformat false positive with localizedStringForKeyErik Pilkington2019-08-143-15/+74
| | | | | | | | | | | | Only honour format_arg attributes on -[NSBundle localizedStringForKey] when its argument has a format specifier in it, otherwise its likely to just be a key to fetch localized strings. Fixes rdar://23622446 Differential revision: https://reviews.llvm.org/D27165 llvm-svn: 368878
* [LifetimeAnalysis] Fix false negatives of statement local lifetime analysis ↵Gabor Horvath2019-08-141-19/+42
| | | | | | | | for some STL implementation Differential Revision: https://reviews.llvm.org/D66152 llvm-svn: 368871
* [libTooling] Fix code to avoid unused-function warning after r368681.Yitzhak Mandelbaum2019-08-141-0/+2
| | | | llvm-svn: 368862
* [Tooling] Added DeclStmtClass to ExtractionSemicolonPolicyShaurya Gupta2019-08-141-0/+1
| | | | | | | Since the DeclStmt range includes the semicolon, it doesn't need a semicolon at the end during extraction llvm-svn: 368850
* [analyzer][CFG] Don't track the condition of assertsKristof Umann2019-08-144-100/+122
| | | | | | | | | | | | | | Well, what is says on the tin I guess! Some more changes: * Move isInevitablySinking() from BugReporter.cpp to CFGBlock's interface * Rename and move findBlockForNode() from BugReporter.cpp to ExplodedNode::getCFGBlock() Differential Revision: https://reviews.llvm.org/D65287 llvm-svn: 368836
* [clang] - An update after LLVM change.George Rimar2019-08-141-1/+5
| | | | | | SectionRef::getName() was changed to return Expected<> (D66089) llvm-svn: 368825
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