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2013-03-01Fix typos: [Dd]iagnosic -> [Dd]iagnosticStefanus Du Toit
These all appear in comments or (ironically) diagnostics output. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176383 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Fix warning text of my last patch.Fariborz Jahanian
// rdar://13158394 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176308 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28objective-C: clang, following gcc, warns onFariborz Jahanian
use of stand-alone protocol as type and uses id<proto>. Modify warning to say what compiler is doing. // rdar//13158394 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176303 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Rename methods to comply with the LLVM Coding Standards.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176159 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Move LinkageInfo out of NamedDecl so that it can be used in Type.h.Rafael Espindola
Everything that cares about visibility also cares about linkage, so I just moved it to Visibility.h instead of creating a new .h. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176155 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Refine SourceManager's isBeforeInTranslationUnit() cache to have more entries.Ted Kremenek
isBeforeInTranslationUnit() uses a cache to reduce the expensive work to compute a common ancestor for two FileIDs. This work is very expensive, so even caching the latest used FileIDs was a big win. A closer analysis of the cache before, however, shows that the cache access pattern would oscillate between a working set of FileIDs, and thus caching more pairs would be profitable. This patch adds a side table for extending caching. This side table is bounded in size (experimentally determined in this case from a simple Objective-C project), and when the table gets too large we fall back to the single entry caching before as before. On Sketch (a small example Objective-C project), this optimization reduces -fsyntax-only time on SKTGraphicView.m by 5%. This is for a project that is already using PCH. Fixes <rdar://problem/13299847> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176142 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Fix assertion failure when a field is given an address space.Matt Arsenault
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176122 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-26Unify clang/llvm attributes for asan/tsan/msan (Clang part)Kostya Serebryany
These are two related changes (one in llvm, one in clang). LLVM: - rename address_safety => sanitize_address (the enum value is the same, so we preserve binary compatibility with old bitcode) - rename thread_safety => sanitize_thread - rename no_uninitialized_checks -> sanitize_memory CLANG: - add __attribute__((no_sanitize_address)) as a synonym for __attribute__((no_address_safety_analysis)) - add __attribute__((no_sanitize_thread)) - add __attribute__((no_sanitize_memory)) for S in address thread memory If -fsanitize=S is present and __attribute__((no_sanitize_S)) is not set llvm attribute sanitize_S git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176076 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-23Revert r175912, "Add support for coldcc to clang" at John's request.Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175936 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Add support for coldcc to clangPeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175912 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Replace some typically large vectors with SmallVector.Benjamin Kramer
This may seem counter-intuitive but the POD-like optimization helps when the vectors grow into multimegabyte buffers. SmallVector calls realloc which knows how to twiddle virtual memory bits and avoids large copies. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175906 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22[Sema] Semantic analysis for empty-declaration and attribute-declaration.Michael Han
Introduce a new AST Decl node "EmptyDecl" to model empty-declaration. Have attributes from attribute-declaration appertain to the EmptyDecl node by creating the AST representations of these attributes and attach them to the EmptyDecl node so these attributes can be sema checked just as attributes attached to "normal" declarations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175900 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Comment parsing: add CommentOptions to allow specifying custom comment block ↵Dmitri Gribenko
commands Add an ability to specify custom documentation block comment commands via a new class CommentOptions. The intention is that this class will hold future customizations for comment parsing, including defining documentation comments with specific numbers of parameters, etc. CommentOptions instance is a member of LangOptions. CommentOptions is controlled by a new command-line parameter -fcomment-block-commands=Foo,Bar,Baz. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175892 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Handle alignas(foo...) pack expansions.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175875 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Implement C++11 [dcl.align]p6-p8, and C11 6.7.5/7. This had to be split out ofRichard Smith
the normal attribute-merging path, because we can't merge alignment attributes without knowing the complete set of alignment attributes which apply to a particular declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175861 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Add -fbracket-depth=N, analogous to -ftemplate-depth= and -fconstexpr-depth=,Richard Smith
to control the check for the C 5.2.4.1 / C++ [implimits] restriction on nesting levels for parentheses, brackets and braces. Some code with heavy macro use exceeds the default limit of 256, but we don't want to increase it generally to avoid stack overflow on stack-constrained systems. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175855 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22objective-C arc: Diagnostic can not say to use bridgeFariborz Jahanian
casts with c++ named casts. Change notes to say use bridge with c-style cast instead. // rdar://12788838 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175850 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-21Fix typo 'with with' in diagnostic.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175823 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-21Teach serialized diagnostics about notes without locations.Ted Kremenek
Along the way, improve a diagnostic for "previous declaration here" for implicit parameters. Fixes <rdar://problem/13211384>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175802 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-21Correct spelling of 'enumerator'.David Blaikie
Post commit code review feedback to r175705 from Jordan Rose. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175725 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-21Use None rather than Optional<T>() where possible.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175705 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-20Include llvm::Optional in clang/Basic/LLVM.hDavid Blaikie
Post-commit CR feedback from Jordan Rose regarding r175594. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175679 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-20PR15311: Finish implementation of the suggested resolution of core issue 1488,Richard Smith
which allows grouping parens in an abstract-pack-declarator. This was already mostly implemented, but missed some cases. Add an ExtWarn for use of this extension until CWG ratifies it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175660 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-20Process and handle attributes on conditions and for loop variables. Process andRichard Smith
diagnose attributes on alias declarations, using directives, and attribute declarations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175649 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-20Add a new 'type_visibility' attribute to allow users toJohn McCall
control the visibility of a type for the purposes of RTTI and template argument restrictions independently of how visibility propagates to its non-type member declarations. Also fix r175326 to not ignore template argument visibility on a template explicit instantiation when a member has an explicit attribute but the instantiation does not. The type_visibility work is rdar://11880378 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175587 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-19PR15300: Support C++11 attributes on base-specifiers. We don't support any suchRichard Smith
attributes yet, so just issue the appropriate diagnostics. Also generalize the fixit for attributes-in-the-wrong-place code and reuse it here, if attributes are placed after the access-specifier or 'virtual' in a base specifier. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175575 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-19[modules] Refactor code from ASTReader::makeModuleVisible() into a new function,Argyrios Kyrtzidis
Module::getExportedModules() so it can be reused. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175548 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-19Add support for -fvisibility-ms-compat.John McCall
We treat this as an alternative to -fvisibility=<?> which changes the default value visibility to "hidden" and the default type visibility to "default". Expose a -cc1 option for changing the default type visibility, repurposing -fvisibility as the default value visibility option (also setting type visibility from it in the absence of a specific option). rdar://13079314 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175480 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-17Documentation: use \brief and don't duplicate the name of the declared entityJames Dennett
at the start of the doc comment. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175391 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-17Documentation cleanup: fix a typo ("////" for "///") and suppress Doxygen'sJames Dennett
automatic link generation for "file:", as it's not used as a URL here. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175390 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-16Documentation cleanup: use \brief, and don't repeat the identifier beingJames Dennett
declared. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175339 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-14Add a getLanguageLinkage method to VarDecls and FunctionDecls. Use it to fixRafael Espindola
some cases where functions with no language linkage were being treated as having C language linkage. In particular, don't warn in extern "C" { static NonPod foo(); } Since getLanguageLinkage checks the language linkage, the linkage computation cannot use the language linkage. Break the loop by checking just the context in the linkage computation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175117 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-12Diagnose loads of 'half' l-values in OpenCL.John McCall
Patch by Joey Gouly! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174928 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-10objective-C: Fixes a bogus warning due to not settingFariborz Jahanian
the "nonatomic" attribute in property redeclaration in class extension. Also, improved on diagnostics in this area while at it. // rdar://13156292 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174821 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09Remove unreachable statementDmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174811 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09QoI: -Wreadonly-iboutlet-property should have the warning's location on the ↵Ted Kremenek
property. There's no need to refer to the @implementation at all. Fixes <rdar://problem/13186515> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174802 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-09Properly validate UCNs for C99 and C++03 (both more restrictive than C(++)11).Jordan Rose
Add warnings under -Wc++11-compat, -Wc++98-compat, and -Wc99-compat when a particular UCN is incompatible with a different standard, and -Wunicode when a UCN refers to a surrogate character in C++03. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174788 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Excise <cctype> from Clang (except clang-tblgen) in favor of CharInfo.h.Jordan Rose
Nearly all of these changes are one-to-one replacements; the few that aren't have to do with custom identifier validation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174768 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Pull Lexer's CharInfo table out for general use throughout Clang.Jordan Rose
Rewriting the same predicates over and over again is bad for code size and code maintainence. Using the functions in <ctype.h> is generally unsafe unless they are specified to be locale-independent (i.e. only isdigit and isxdigit). The next commit will try to clean up uses of <ctype.h> functions within Clang. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174765 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Add OpenCL samplers as Clang builtin types and check sampler related ↵Guy Benyei
restrictions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174601 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Detect when we end up trying to load conflicting module files.Douglas Gregor
This can happen when one abuses precompiled headers by passing more -D options when using a precompiled hedaer than when it was built. This is intentionally permitted by precompiled headers (and is exploited by some build environments), but causes problems for modules. First part of <rdar://problem/13165109>, detecting when something when horribly wrong. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174554 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-02PR15132: Replace "address expression must be an lvalue or a functionRichard Smith
designator" diagnostic with more correct and more human-friendly "cannot take address of rvalue of type 'T'". For the case of & &T::f, provide a custom diagnostic, rather than unhelpfully saying "cannot take address of rvalue of type '<overloaded function type>'". For the case of &array_temporary, treat it just like a class temporary (including allowing it as an extension); the existing diagnostic wording for the class temporary case works fine. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174262 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-01Fix diagnostic for bad alignas use: it can't be applied to functions.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174160 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-01Add a new -Wundefined-inline warning for inline functions which are used but notNick Lewycky
defined. Fixes PR14993! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174158 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-01Implement [dcl.align]p5 and C11 6.7.5/4: alignas cannot underalign.Richard Smith
Also support alignas(0), which C++11 and C11 require us to ignore. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174157 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-01[Sema][Attr]Fix alignment attribute printing.Michael Han
Remove "IsMSDeclspec" argument from Align attribute since the arguments in Attr.td should only model those appear in source code. Introduce attribute Accessor, and teach TableGen to generate syntax kind accessors for Align attribute, and use those accessors to decide if an alignment attribute is a declspec attribute. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174133 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31Add support for AArch64 target.Tim Northover
In cooperation with the LLVM patch, this should implement all scalar front-end parts of the C and C++ ABIs for AArch64. This patch excludes the NEON support also reviewed due to an outbreak of batshit insanity in our legal department. That will be committed soon bringing the changes to precisely what has been approved. Further reviews would be gratefully received. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174055 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31Improve 'failed template argument deduction' diagnostic for the case where weRichard Smith
have a direct mismatch between some component of the template and some component of the argument. The diagnostic now says what the mismatch was, but doesn't yet say which part of the template doesn't match. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174039 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31Replace "failed template argument deduction" diagnostic with something usefulRichard Smith
in the one case where we've already factored out a reason code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174036 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31Clarify the diagnostic for -Wnested-anon-types.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174032 91177308-0d34-0410-b5e6-96231b3b80d8
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