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2013-04-24Objective-C parsing [qoi]: Recover gracefully with good diagnosticFariborz Jahanian
when class implementation declaration adds protocol qualifier list. // rdar://12233858 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180228 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-24Objective-C arc: Improve disgnostics when 'weak'Fariborz Jahanian
property cannot be synthesized because its backing ivar does not support weak references. // rdar://13676793 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180211 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-24Add test case for -Wdeprecated-objc-pointer-introspection, andTed Kremenek
tweak warning to suggest that it is just a bad thing to do. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180175 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-23Warn that scoped enumerations are a C++11 extenstion when compiling inRichard Trieu
C++98 mode. This improves on the previous diagnostic message of: error: expected identifier or '{' git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180076 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-22Add a warning for Objective-C pointer introspection, which is solely the job ↵Ted Kremenek
of the Objective-C runtime. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180062 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-22C++1y constexpr extensions, round 1: Allow most forms of declaration andRichard Smith
statement in constexpr functions. Everything which doesn't require variable mutation is also allowed as an extension in C++11. 'void' becomes a literal type to support constexpr functions which return 'void'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180022 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-21The 'constexpr implies const' rule for non-static member functions is gone inRichard Smith
C++1y, so stop adding the 'const' there. Provide a compatibility warning for code relying on this in C++11, with a fix-it hint. Update our lazily-written tests to add the const, except for those ones which were testing our implementation of this rule. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179969 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20Disable VLA diagnostic in C++1y mode, and add some tests.Richard Smith
Still to do here: - we have a collection of syntactic accepts-invalids to diagnose - support non-PODs in VLAs, including dynamic initialization / destruction - runtime checks (and throw std::bad_array_length) for bad bound - support VLA capture by reference in lambdas - properly support VLAs in range-based for (don't recompute bound) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179962 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-20C++1y: Allow aggregates to have default initializers.Richard Smith
Add a CXXDefaultInitExpr, analogous to CXXDefaultArgExpr, and use it both in CXXCtorInitializers and in InitListExprs to represent a default initializer. There's an additional complication here: because the default initializer can refer to the initialized object via its 'this' pointer, we need to make sure that 'this' points to the right thing within the evaluation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179958 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19Note that we support (and in fact have supported since the dawn of time itself)Richard Smith
C++1y binary literals. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179883 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-17[Modules] Use global index to improve typo correction performanceArgyrios Kyrtzidis
Typo correction for an unqualified name needs to walk through all of the identifier tables of all modules. When we have a global index, just walk its identifier table only. rdar://13425732 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179730 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-17DR974: Lambdas can have default arguments.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179688 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-17Implemented #pragma GCC warning/error in the same mould as #pragma message.Andy Gibbs
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179687 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-17Extended VerifyDiagnosticConsumer to also verify source file for diagnostic.Andy Gibbs
VerifyDiagnosticConsumer previously would not check that the diagnostic and its matching directive referenced the same source file. Common practice was to create directives that referenced other files but only by line number, and this led to problems such as when the file containing the directive didn't have enough lines to match the location of the diagnostic in the other file, leading to bizarre file formatting and other oddities. This patch causes VerifyDiagnosticConsumer to match source files as well as line numbers. Therefore, a new syntax is made available for directives, for example: // expected-error@file:line {{diagnostic message}} This extends the @line feature where "file" is the file where the diagnostic is generated. The @line syntax is still available and uses the current file for the diagnostic. "file" can be specified either as a relative or absolute path - although the latter has less usefulness, I think! The #include search paths will be used to locate the file and if it is not found an error will be generated. The new check is not optional: if the directive is in a different file to the diagnostic, the file must be specified. Therefore, a number of test-cases have been updated with regard to this. This closes out PR15613. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179677 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-17Add warning group -Woverloaded-shift-op-parentheses to -Wparentheses. ThisRichard Trieu
will fire on code such as: cout << x == 0; which the compiler will intrepret as (cout << x) == 0; This warning comes with two fixits attached to notes, one for parentheses to silence the warning, and another to evaluate the comparison first. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179662 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-16[1/6] ARM Neon Intrinsic Tablegen Test Generator.Michael Gottesman
Changes necessary to arm_neon.td for the generation of Neon tests. This is the first of six patches to add to the arm neon tablegen generator the capability of generating tests to verify that the various ARM intrinsics are implemented properly. The changes include such items as: 1. Adding attributes to the Inst record so that additional metadata that is only needed for the tests can be specified in TableGen. 2. Adding wrapper classes for operator (i.e. ``Op'') intrinsics which before were simply notates as Inst. This allows us to classify what sort of test to generate for said intrinsic and further since the classes do not effect the behavior of the Inst base class, allow for normal functioning. Reviewed by Bob Wilson. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179624 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-16Sema for Captured StatementsTareq A. Siraj
Add CapturedDecl to be the DeclContext for CapturedStmt, and perform semantic analysis. Currently captures all variables by reference. TODO: templates Author: Ben Langmuir <ben.langmuir@intel.com> Differential Revision: http://llvm-reviews.chandlerc.com/D433 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179618 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-16Implement CapturedStmt ASTTareq A. Siraj
CapturedStmt can be used to implement generic function outlining as described in http://lists.cs.uiuc.edu/pipermail/cfe-dev/2013-January/027540.html. CapturedStmt is not exposed to the C api. Serialization and template support are pending. Author: Wei Pan <wei.pan@intel.com> Differential Revision: http://llvm-reviews.chandlerc.com/D370 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179615 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-16Parser support for #pragma clang __debug capturedTareq A. Siraj
This patch implements parsing ‘#pragma clang __debug’ as a first step for implementing captured statements. Captured statements are a mechanism for doing outlining in the AST. see http://lists.cs.uiuc.edu/pipermail/cfe-dev/2013-January/027540.html. Currently returns StmtEmpty Author: Andy Zhang <andy.zhang@intel.com> Differential Revision: http://llvm-reviews.chandlerc.com/D369 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179614 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-16Fix PR4296: Add parser detection/error recovery for nested functions, from ↵Douglas Gregor
Serve Pavlov! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179603 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-16Basic support for Microsoft property declarations andJohn McCall
references thereto. Patch by Tong Shen! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179585 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-15Use llvm::sys::IsBigEndianHost.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179529 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-14Diagnose if a __thread or _Thread_local variable has a non-constant initializerRichard Smith
or non-trivial destructor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179491 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-13Annotate flavor of TLS variable (statically or dynamically initialized) onto ↵Richard Smith
the AST. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179447 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-13Introduce SourceManager::getDecomposedIncludedLoc, that returns the ↵Argyrios Kyrtzidis
"included/expanded in" decomposed location of the given FileID. The main benefit is to speed-up SourceManager::isBeforeInTranslationUnit which is common to query the included/expanded location of the same FileID multiple times. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179435 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-12Parsing support for thread_local and _Thread_local. We give them the sameRichard Smith
semantics as __thread for now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179424 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-10Add an option to parse all comments as documentation commentsDmitri Gribenko
Patch by Amin Shali. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179180 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-10Improve the diagnostics of the number-reading preprocessor directives.Michael Ilseman
The GNU line marker directive was sharing code with the #line directive, but some of the warnings/errors were reporting as #line directive diagnostics in both cases. Previously: #line 11foo1 ==> "#line directive requires a simple digit sequence" # 11foo1 ==> "#line directive requires a simple digit sequence" Now, we get: #line 11foo1 ==> "#line directive requires a simple digit sequence" # 11foo1 ==> "GNU line marker directive requires a simple digit sequence" git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179139 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-09If the user requested a zero-base-shadow sanitizer, infer -pie and -fPIC ↵Peter Collingbourne
when appropriate. Differential Revision: http://llvm-reviews.chandlerc.com/D502 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179082 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-08<rdar://problem/13559825> Further reduce template instantiation depth down ↵Douglas Gregor
to 256, since we're blowing the stack for a trivial "factorial" class template. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179057 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-08Fix PR15634, better error message for template deduction failure.Richard Trieu
When two template decls with the same name are used in this diagnostic, force them to print their qualified names. This changes the bad message of: candidate template ignored: could not match 'array' against 'array' to the better message of: candidate template ignored: could not match 'NS2::array' against 'NS1::array' git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179056 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-08<rdar://problem/13540921> Fix a crasher when an Objective-C for-in loop gets ↵Douglas Gregor
a non-variable iteration declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179053 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-05When -Woverloaded-virtual is triggered, call HandleFunctionTypeMismatch to addRichard Trieu
more information to the notes. This information is already present on other diagnostic messages that involves overloads. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178923 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-05Add an error to check that all program scope variables are in the constant ↵Tanya Lattner
address space in OpenCL. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178906 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-04Revert 178811 until I fix the unit tests.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178813 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-04Add an error to check that all program scope variables are in the constant ↵Tanya Lattner
address space in OpenCL. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178811 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-04Make the ObjC attributes diagnostics a bit more informative.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178720 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-03Complain about attempts to befriend declarations via a usingJohn McCall
declaration. Patch by Stephen Lin! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178698 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-03Emit a nicer diagnostic for misplaced attributes on ObjC directives.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178670 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-02Add -Wstatic-local-in-inline, which warns about using a static localJohn McCall
variable in a C99 inline (but not static-inline or extern-inline) function definition. The standard doesn't actually say that this doesn't apply to "extern inline" definitions, but that seems like a useful extension, and it at least doesn't have the obvious flaw that a static mutable variable in an externally-available definition does. rdar://13535367 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178520 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-01PR15633: Note that we are EnteringContext when parsing the nested nameRichard Smith
specifier for an enumeration. Also fix a crash-on-invalid if a non-dependent name specifier is used to declare an enum template. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178502 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-31Fix typo. This method isn't used anywhere.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178453 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-29Sema: Warn on sizeof on binary ops on decayed arrays.Benjamin Kramer
The array will decay into a pointer, creating an unexpected result. sizeof(array + int) is an easy to make typo for sizeof(array) + int. This was motivated by a NetBSD security bug, used sizeof(key - r) instead of sizeof(key) - r, reducing entropy in a random number generator. http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/kern/subr_cprng.c.diff?r1=1.14&r2=1.15&only_with_tag=MAIN&f=h Differential Revision: http://llvm-reviews.chandlerc.com/D571 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178371 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-29Add RDSEED intrinsic support defined in AVX2 extensionMichael Liao
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178331 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-29Add XTEST intrinsic defined in TSX extensionMichael Liao
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178330 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-29Revert r178273 as it broke the Linux bootstrap due to false positivesTimur Iskhodzhanov
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178320 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28Implemented a warning when an input several bitwise operations areSam Panzer
likely be implicitly truncated: * All forms of Bitwise-and, bitwise-or, and integer multiplication. * The assignment form of integer addition, subtraction, and exclusive-or * The RHS of the comma operator * The LHS of left shifts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178273 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28Support C11 _Atomic type qualifier. This is more-or-less just syntactic ↵Richard Smith
sugar for the _Atomic type specifier. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178210 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-27Fixes a typo in my last patch.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178184 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-27Objective-C: Issue more precise warning when userFariborz Jahanian
is accessing 'isa' as an object pointer. // rdar://13503456. FixIt to follow in another patch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178179 91177308-0d34-0410-b5e6-96231b3b80d8