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2013-05-06Grab-bag of bit-field fixes:John McCall
- References to ObjC bit-field ivars are bit-field lvalues; fixes rdar://13794269, which got me started down this. - Introduce Expr::refersToBitField, switch a couple users to it where semantically important, and comment the difference between this and the existing API. - Discourage Expr::getBitField by making it a bit longer and less general-sounding. - Lock down on const_casts of bit-field gl-values until we hear back from the committee as to whether they're allowed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181252 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-06Have the RecursiveASTVisitor traverse the type source info of an objc class ↵Argyrios Kyrtzidis
message. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181237 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-06Allow targets to define minimum alignment for global variablesUlrich Weigand
This patch adds a new common code feature that allows platform code to request minimum alignment of global symbols. The background for this is that on SystemZ, the most efficient way to load addresses of global symbol is the LOAD ADDRESS RELATIVE LONG (LARL) instruction. This instruction provides PC-relative addressing, but only to *even* addresses. For this reason, existing compilers will guarantee that global symbols are always aligned to at least 2. [ Since symbols would otherwise already use a default alignment based on their type, this will usually only affect global objects of character type or character arrays. ] GCC also allows creating symbols without that extra alignment by using explicit "aligned" attributes (which then need to be used on both definition and each use of the symbol). To enable support for this with Clang, this patch adds a TargetInfo::MinGlobalAlign variable that provides a global minimum for the alignment of every global object (unless overridden via explicit alignment attribute), and adds code to respect this setting. Within this patch, no platform actually sets the value to anything but the default 1, resulting in no change in behaviour on any existing target. This version of the patch incorporates feedback from reviews by Eric Christopher and John McCall. Thanks to all reviewers! Patch by Richard Sandiford. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181210 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-05Make all 'is in extern "C"' tests use the lexical context.Rafael Espindola
I was not able to find a case (other than the fix in r181163) where this makes a difference, but it is a more obviously correct API to have. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181165 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-05Replace ArrayRef<T>() with None, now that we have an implicit ArrayRef ↵Dmitri Gribenko
constructor from None Patch by Robert Wilhelm. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181139 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-04Reverting r181004 since it has broken test/Sema/wchar.c.Aaron Ballman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181122 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-04In VarDecl nodes, store the thread storage class specifier as written.Enea Zaffanella
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181113 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-04Implement most of N3638 (return type deduction for normal functions).Richard Smith
Missing (somewhat ironically) is support for the new deduction rules in lambda functions, plus PCH support for return type patching. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181108 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-04Implement template support for CapturedStmtWei Pan
- Sema tests added and CodeGen tests are pending Differential Revision: http://llvm-reviews.chandlerc.com/D728 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181101 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-04Added a function to check whether a Decl is inSean Callanan
the list of Decls for a given DeclContext. This is useful for LLDB's implementation of FindExternalLexicalDecls. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181093 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-03[Doc parsing] Provide diagnostics for unknown documentation Fariborz Jahanian
commands. // rdar://12381408 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181071 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-03Rename ObjCImplementationDecl::getSuperLoc() -> getSuperClassLoc() for ↵Argyrios Kyrtzidis
consistency with ObjCInterfaceDecl::getSuperClassLoc() git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181064 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-03Serialization for captured statementsBen Langmuir
Add serialization for captured statements and captured decls. Also add a const_capture_iterator to CapturedStmt. Test contributed by Wei Pan Differential Revision: http://llvm-reviews.chandlerc.com/D727 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181048 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-03PR15906: The body of a lambda is not an evaluated subexpression; don't visit ↵Richard Smith
it when visiting such subexpressions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181046 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-03Move CapturedStmt parameters to CapturedDeclBen Langmuir
Move the creation of CapturedStmt parameters out of CodeGen and into Sema, making it easier to customize the outlined function. The ImplicitParamDecls are stored in the CapturedDecl using an ASTContext-allocated array. Differential Revision: http://llvm-reviews.chandlerc.com/D722 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181043 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-03Keep track of an @implementation's super class name location, if one was ↵Argyrios Kyrtzidis
provided. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181039 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-03Support __wchar_t in -fms-extensions and -fms-compatibility modes.Hans Wennborg
MSVC provides __wchar_t, either as an alias for the built-in wchar_t type, or as a separate type depending on language (C vs C++) and flags (-fno-wchar). In -fms-extensions, Clang will simply accept __wchar_t as an alias for whatever type is used for wide character literals. In -fms-compatibility, we try to mimic MSVC's behavior by always making __wchar_t a builtin type. This fixes PR15815. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181004 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-03Correctly emit certain implicit references to 'self' even withinJohn McCall
a lambda. Bug #1 is that CGF's CurFuncDecl was "stuck" at lambda invocation functions. Fix that by generally improving getNonClosureContext to look through lambdas and captured statements but only report code contexts, which is generally what's wanted. Audit uses of CurFuncDecl and getNonClosureAncestor for correctness. Bug #2 is that lambdas weren't specially mapping 'self' when inside an ObjC method. Fix that by removing the requirement for that and using the normal EmitDeclRefLValue path in LoadObjCSelf. rdar://13800041 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181000 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-03Move parsing of identifiers in MS-style inline assembly intoJohn McCall
the actual parser and support arbitrary id-expressions. We're actually basically set up to do arbitrary expressions here if we wanted to. Assembly operands permit things like A::x to be written regardless of language mode, which forces us to embellish the evaluation context logic somewhat. The logic here under template instantiation is incorrect; we need to preserve the fact that an expression was unevaluated. Of course, template instantiation in general is fishy here because we have no way of delaying semantic analysis in the MC parser. It's all just fishy. I've also fixed the serialization of MS asm statements. This commit depends on an LLVM commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180976 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-01[documenting declaration]: Remove arc liftime qualifiersFariborz Jahanian
when doccumenting declrations in comments. // rdar://13757500 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180880 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-01[ObjC declaration documentation] declaration of Fariborz Jahanian
types involving Objective-C pointers must have their arc qualifiers elided as they don't add any additional info. // rdar://13757500. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180860 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-30Don't treat a non-deduced 'auto' type as being type-dependent. Instead, thereRichard Smith
are now two distinct canonical 'AutoType's: one is the undeduced 'auto' placeholder type, and the other is a deduced-but-dependent type. All deduced-to-a-non-dependent-type cases are still non-canonical. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180789 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-29Small CapturedStmt improvementsBen Langmuir
Add a CapturedStmt.h similar to Lambda.h to reduce the typing required to get to the CapturedRegionKind enum. This also allows codegen to access this enum without including Sema/ScopeInfo.h. Also removes some duplicated code for capturing 'this' between CapturedStmt and Lambda. Differential Revision: http://llvm-reviews.chandlerc.com/D712 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180710 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26Implement C++1y decltype(auto).Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180610 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26Use bitfilds.Rafael Espindola
On a 32 bit build this moves LinkageSpecDecl from 52 to 48 bytes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180601 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-26Add r180263 back, but fix hasBraces() to be correct during parsing.Rafael Espindola
Original commit message: Fix a case in linkage computation that should check for single line extern "C". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180591 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-25Objective-C: This is a small modification to myFariborz Jahanian
patch -n r180198. When reporting on missing property accessor implementation in categories, do not report when they are declared in primary class, class's protocol, or one of it super classes or in of the other categories. // rdar://13713098 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180580 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-25Fix a possible null pointer dereference found by the analyzer.Anna Zaks
When computing the other parameters, ‘op’ is checked for being null before it’s dereferenced. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180271 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-24Objective-C: When reporting on missing property accessor implementation inFariborz Jahanian
categories, do not report when they are declared in primary class, class's protocol, or one of it super classes. This is because, its class is going to implement them. // rdar://13713098 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180198 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
2013-04-20C++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
2013-04-19Emit the underlying type in the debug info for all kinds of fixed enumsAdrian Prantl
instead of only C++11-scoped-with-class-tag enums. rdar://problem/13463793 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179879 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19s/C++0x/C++11/Adrian Prantl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179878 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-19Implement CodeGen for C++11 thread_local, following the Itanium ABI ↵Richard Smith
specification as discussed on cxx-abi-dev. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179858 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-18Adds a new doxygen tag needed. // rdar://12379053Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179770 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
2013-04-16Basic 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
2013-04-15Revert "Speed-up ObjCMethodDecl::getOverriddenMethods()."Argyrios Kyrtzidis
This reverts commit r179436. Due to caching, it was possible that we could miss overridden methods that were introduced by categories later on. Along with reverting the commit I also included a test case that would have caught this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179547 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-15Remove hasExternalLinkageUncached.Rafael Espindola
It was being used correctly, but it is a very dangerous API to have around. Instead, move the logic from the filtering to when we are deciding if we should link two decls. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179523 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-15Comment command table: use inheritance instead of duplicating codeDmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179501 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
2013-04-13Speed-up ObjCMethodDecl::getOverriddenMethods().Argyrios Kyrtzidis
Use an newly introduce ASTContext::getBaseObjCCategoriesAfterInterface() which caches its results instead of re-calculating the categories multiple times. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179436 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-11[ms-cxxabi] Implement member pointer emission and dereferencingReid Kleckner
Summary: Handles all inheritance models for both data and function member pointers. Also implements isZeroInitializable() and refactors some of the null member pointer code. MSVC supports converting member pointers through virtual bases, which clang does not (yet?) support. Implementing that extension is covered by http://llvm.org/15713 Reviewers: rjmccall CC: cfe-commits Differential Revision: http://llvm-reviews.chandlerc.com/D613 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179305 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-10comment parsing. Add couple more needed doxygen tags.Fariborz Jahanian
// rdar://12379053 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179238 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-10-fparse-all-comments: remove redundant check, as suggested by Fariborz JahanianDmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179204 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
2013-04-08fixes a typo in my last patch.Fariborz Jahanian
// rdar://12379114 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179042 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-08doce parsing: adding few more headerdoc tags.Fariborz Jahanian
// rdar://12379114 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179039 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-08<rdar://problem/12806802> Propagate access specifiers for conversion ↵Douglas Gregor
functions to the conversion function set eagerly. This slightly propagates an existing hack that delays when we provide access specifiers for the visible conversion functions of a class by copying the available access specifier early. The only client this affects is LLDB, which tends to discover and add conversion functions after the class is technically "complete". As such, the only observable difference is in LLDB, so the testing will go there. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179029 91177308-0d34-0410-b5e6-96231b3b80d8
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