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* [OPENMP] Initial support for 'sections' directive.Alexey Bataev2014-06-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@211685 91177308-0d34-0410-b5e6-96231b3b80d8
* [OPENMP] Initial support for '#pragma omp for' (fixed incompatibility with ↵Alexey Bataev2014-06-18
| | | | | | MSVC). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@211140 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "[OPENMP] Initial support for '#pragma omp for'."Rafael Espindola2014-06-17
| | | | | | | | This reverts commit r211096. Looks like it broke the msvc build: SemaOpenMP.cpp(140) : error C4519: default template arguments are only allowed on a class template git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@211113 91177308-0d34-0410-b5e6-96231b3b80d8
* [OPENMP] Initial support for '#pragma omp for'.Alexey Bataev2014-06-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@211096 91177308-0d34-0410-b5e6-96231b3b80d8
* [OPENMP] First changes for Parsing and Sema for 'omp simd' directive supportAlexey Bataev2014-02-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@202360 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate UnaryTypeTraitExprAlp Toker2014-01-01
| | | | | | | | | | | | | Remove UnaryTypeTraitExpr and switch all remaining type trait related handling over to TypeTraitExpr. The UTT/BTT/TT enum prefix and evaluation code is retained pending further cleanup. This is part of the ongoing work to unify type traits following the removal of BinaryTypeTraitExpr in r197273. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@198271 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate BinaryTypeTraitExprAlp Toker2013-12-13
| | | | | | | | | | | | | | | | | There's nothing special about type traits accepting two arguments. This commit eliminates BinaryTypeTraitExpr and switches all related handling over to TypeTraitExpr. Also fixes a CodeGen failure with variadic type traits appearing in a non-constant expression. The BTT/TT prefix and evaluation code is retained as-is for now but will soon be further cleaned up. This is part of the ongoing work to unify type traits. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@197273 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the intrinsic __builtin_convertvectorHal Finkel2013-09-18
| | | | | | | | | | | | | | | | | | LLVM supports applying conversion instructions to vectors of the same number of elements (fptrunc, fptosi, etc.) but there had been no way for a Clang user to cause such instructions to be generated when using builtin vector types. C-style casting on vectors is already defined in terms of bitcasts, and so cannot be used for these conversions as well (without leading to a very confusing set of semantics). As a result, this adds a __builtin_convertvector intrinsic (patterned after the OpenCL __builtin_astype intrinsic). This is intended to aid the creation of vector intrinsic headers that create generic IR instead of target-dependent intrinsics (in other words, this is a generic _mm_cvtepi32_ps). As noted in the documentation, the action of __builtin_convertvector is defined in terms of the action of a C-style cast on each vector element. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190915 91177308-0d34-0410-b5e6-96231b3b80d8
* OpenMP: basic support for #pragma omp parallelAlexey Bataev2013-07-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@186647 91177308-0d34-0410-b5e6-96231b3b80d8
* PR12086, PR15117Richard Smith2013-06-12
| | | | | | | | | | | | | | | | | | | | Introduce CXXStdInitializerListExpr node, representing the implicit construction of a std::initializer_list<T> object from its underlying array. The AST representation of such an expression goes from an InitListExpr with a flag set, to a CXXStdInitializerListExpr containing a MaterializeTemporaryExpr containing an InitListExpr (possibly wrapped in a CXXBindTemporaryExpr). This more detailed representation has several advantages, the most important of which is that the new MaterializeTemporaryExpr allows us to directly model lifetime extension of the underlying temporary array. Using that, this patch *drastically* simplifies the IR generation of this construct, provides IR generation support for nested global initializer_list objects, fixes several bugs where the destructors for the underlying array would accidentally not get invoked, and provides constant expression evaluation support for std::initializer_list objects. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@183872 91177308-0d34-0410-b5e6-96231b3b80d8
* C++1y: Allow aggregates to have default initializers.Richard Smith2013-04-20
| | | | | | | | | | | | 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
* Implement CapturedStmt ASTTareq A. Siraj2013-04-16
| | | | | | | | | | | | | | | | 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
* Basic support for Microsoft property declarations andJohn McCall2013-04-16
| | | | | | | | references thereto. Patch by Tong Shen! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179585 91177308-0d34-0410-b5e6-96231b3b80d8
* PR13811: Add a FunctionParmPackExpr node to handle references to functionRichard Smith2012-09-12
| | | | | | | | parameter packs where the reference is not being expanded but the pack has been. Previously, Clang would segfault in such cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163672 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r163083 per chandlerc's request.Joao Matos2012-09-04
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163149 91177308-0d34-0410-b5e6-96231b3b80d8
* Implemented parsing and AST support for the MS __leave exception statement. ↵Joao Matos2012-09-02
| | | | | | Also a minor fix to __except printing in StmtPrinter.cpp. Thanks to Aaron Ballman for review. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163083 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Add a new base class, AsmStmt, for the GCCAsmStmt and MSAsmStmtChad Rosier2012-08-27
| | | | | | classes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162691 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] As part of a larger refactoring, rename AsmStmt to GCCAsmStmt.Chad Rosier2012-08-25
| | | | | | No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162632 91177308-0d34-0410-b5e6-96231b3b80d8
* Etch out the code path for MS-style inline assembly.Chad Rosier2012-06-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158325 91177308-0d34-0410-b5e6-96231b3b80d8
* Implements boxed expressions for Objective-C. <rdar://problem/10194391>Patrick Beard2012-04-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155082 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an AttributedStmt type to represent a statement with C++11 attributesRichard Smith2012-04-14
| | | | | | | | | | attached. Since we do not support any attributes which appertain to a statement (yet), testing of this is necessarily quite minimal. Patch by Alexander Kornienko! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154723 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove BlockDeclRefExpr and introduce a bit on DeclRefExpr toJohn McCall2012-03-10
| | | | | | | | track whether the referenced declaration comes from an enclosing local context. I'm amenable to suggestions about the exact meaning of this bit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152491 91177308-0d34-0410-b5e6-96231b3b80d8
* AST representation for user-defined literals, plus just enough of semanticRichard Smith2012-03-07
| | | | | | | | | | | | | | | | | | | | | | analysis to make the AST representation testable. They are represented by a new UserDefinedLiteral AST node, which is a sugared CallExpr. All semantic properties, including full CodeGen support, are achieved for free by this representation. UserDefinedLiterals can never be dependent, so no custom instantiation behavior is required. They are mangled as if they were direct calls to the underlying literal operator. This matches g++'s apparent behavior (but not its actual mangling, which is broken for literal-operator-ids). User-defined *string* literals are now fully-operational, but the semantic analysis is quite hacky and needs more work. No other forms of user-defined literal are created yet, but the AST support for them is present. This patch committed after midnight because we had already hit the quota for new kinds of literal yesterday. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152211 91177308-0d34-0410-b5e6-96231b3b80d8
* Add clang support for new Objective-C literal syntax for NSDictionary, NSArray,Ted Kremenek2012-03-06
| | | | | | | | | | | | | NSNumber, and boolean literals. This includes both Sema and Codegen support. Included is also support for new Objective-C container subscripting. My apologies for the large patch. It was very difficult to break apart. The patch introduces changes to the driver as well to cause clang to link in additional runtime support when needed to support the new language features. Docs are forthcoming to document the implementation and behavior of these features. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152137 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement a new type trait __is_trivially_constructible(T, Args...)Douglas Gregor2012-02-24
| | | | | | | | | | | | | | | | | that provides the behavior of the C++11 library trait std::is_trivially_constructible<T, Args...>, which can't be implemented purely as a library. Since __is_trivially_constructible can have zero or more arguments, I needed to add Yet Another Type Trait Expression Class, this one handling arbitrary arguments. The next step will be to migrate UnaryTypeTrait and BinaryTypeTrait over to this new, more general TypeTrait class. Fixes the Clang side of <rdar://problem/10895483> / PR12038. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151352 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce basic ASTs for lambda expressions. This covers:Douglas Gregor2012-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | - Capturing variables by-reference and by-copy within a lambda - The representation of lambda captures - The creation of the non-static data members in the lambda class that store the captured variables - The initialization of the non-static data members from the captured variables - Pretty-printing lambda expressions There are a number of FIXMEs, both explicit and implied, including: - Creating a field for a capture of 'this' - Improved diagnostics for initialization failures when capturing variables by copy - Dealing with temporaries created during said initialization - Template instantiation - AST (de-)serialization - Binding and returning the lambda expression; turning it into a proper temporary - Lots and lots of semantic constraints - Parameter pack captures git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149977 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the AST representation of operations on Objective-CJohn McCall2011-11-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | property references to use a new PseudoObjectExpr expression which pairs a syntactic form of the expression with a set of semantic expressions implementing it. This should significantly reduce the complexity required elsewhere in the compiler to deal with these kinds of expressions (e.g. IR generation's special l-value kind, the static analyzer's Message abstraction), at the lower cost of specifically dealing with the odd AST structure of these expressions. It should also greatly simplify efforts to implement similar language features in the future, most notably Managed C++'s properties and indexed properties. Most of the effort here is in dealing with the various clients of the AST. I've gone ahead and simplified the ObjC rewriter's use of properties; other clients, like IR-gen and the static analyzer, have all the old complexity *and* all the new complexity, at least temporarily. Many thanks to Ted for writing and advising on the necessary changes to the static analyzer. I've xfailed a small diagnostics regression in the static analyzer at Ted's request. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143867 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement support for dependent Microsoft __if_exists/__if_not_existsDouglas Gregor2011-10-25
| | | | | | | | | | | statements. As noted in the documentation for the AST node, the semantics of __if_exists/__if_not_exists are somewhat different from the way Visual C++ implements them, because our parsed-template representation can't accommodate VC++ semantics without serious contortions. Hopefully this implementation is "good enough". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142901 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial implementation of __atomic_* (everything except __atomic_is_lock_free).Eli Friedman2011-10-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141632 91177308-0d34-0410-b5e6-96231b3b80d8
* Create a new expression node, SubstNonTypeTemplateParmExpr,John McCall2011-07-15
| | | | | | | | | | to represent a fully-substituted non-type template parameter. This should improve source fidelity, as well as being generically useful for diagnostics and such. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135243 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce a new AST node describing reference binding to temporaries.Douglas Gregor2011-06-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | MaterializeTemporaryExpr captures a reference binding to a temporary value, making explicit that the temporary value (a prvalue) needs to be materialized into memory so that its address can be used. The intended AST invariant here is that a reference will always bind to a glvalue, and MaterializeTemporaryExpr will be used to convert prvalues into glvalues for that binding to happen. For example, given const int& r = 1.0; The initializer of "r" will be a MaterializeTemporaryExpr whose subexpression is an implicit conversion from the double literal "1.0" to an integer value. IR generation benefits most from this new node, since it was previously guessing (badly) when to materialize temporaries for the purposes of reference binding. There are likely more refactoring and cleanups we could perform there, but the introduction of MaterializeTemporaryExpr fixes PR9565, a case where IR generation would effectively bind a const reference directly to a bitfield in a struct. Addresses <rdar://problem/9552231>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133521 91177308-0d34-0410-b5e6-96231b3b80d8
* Automatic Reference Counting.John McCall2011-06-15
| | | | | | | | | | | | Language-design credit goes to a lot of people, but I particularly want to single out Blaine Garst and Patrick Beard for their contributions. Compiler implementation credit goes to Argyrios, Doug, Fariborz, and myself, in no particular order. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133103 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for builtin astype:Tanya Lattner2011-06-04
| | | | | | | | __builtin_astype(): Used to reinterpreted as another data type of the same size using for both scalar and vector data types. Added test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132612 91177308-0d34-0410-b5e6-96231b3b80d8
* Parsing/AST support for Structured Exception HandlingJohn Wiegley2011-04-28
| | | | | | | | Patch authored by Sohail Somani. Provide parsing and AST support for Windows structured exception handling. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130366 91177308-0d34-0410-b5e6-96231b3b80d8
* Implementation of Embarcadero array type traitsJohn Wiegley2011-04-28
| | | | | | | | | | Patch authored by John Wiegley. These are array type traits used for parsing code that employs certain features of the Embarcadero C++ compiler: __array_rank(T) and __array_extent(T, Dim). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130351 91177308-0d34-0410-b5e6-96231b3b80d8
* t/clang/expr-traitsJohn Wiegley2011-04-25
| | | | | | | | | Patch authored by David Abrahams. These two expression traits (__is_lvalue_expr, __is_rvalue_expr) are used for parsing code that employs certain features of the Embarcadero C++ compiler. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130122 91177308-0d34-0410-b5e6-96231b3b80d8
* C1X: implement generic selectionsPeter Collingbourne2011-04-15
| | | | | | | As an extension, generic selection support has been added for all supported languages. The syntax is the same as for C1X. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129554 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for C++0x's range-based for loops, as specified by the C++11 ↵Richard Smith2011-04-14
| | | | | | draft standard (N3291). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129541 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for the OpenCL vec_step operator, by generalising andPeter Collingbourne2011-03-11
| | | | | | | extending the existing support for sizeof and alignof. Original patch by Guy Benyei. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127475 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the representation of GNU ?: expressions to use a different expressionJohn McCall2011-02-17
| | | | | | | | | | | | | | | | | | | | | | | | class and to bind the shared value using OpaqueValueExpr. This fixes an unnoticed problem with deserialization of these expressions where the deserialized form would lose the vital pointer-equality trait; or rather, it fixes it because this patch also does the right thing for deserializing OVEs. Change OVEs to not be a "temporary object" in the sense that copy elision is permitted. This new representation is not totally unawkward to work with, but I think that's really part and parcel with the semantics we're modelling here. In particular, it's much easier to fix things like the copy elision bug and to make the CFG look right. I've tried to update the analyzer to deal with this in at least some obvious cases, and I think we get a much better CFG out, but the printing of OpaqueValueExprs probably needs some work. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125744 91177308-0d34-0410-b5e6-96231b3b80d8
* AST, Sema, Serialization: add CUDAKernelCallExpr and related semantic actionsPeter Collingbourne2011-02-09
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125217 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove vtables from the Stmt hierarchy; this was pretty easy asJohn McCall2011-02-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | there were only three virtual methods of any significance. The primary way to grab child iterators now is with Stmt::child_range children(); Stmt::const_child_range children() const; where a child_range is just a std::pair of iterators suitable for being llvm::tie'd to some locals. I've left the old child_begin() and child_end() accessors in place, but it's probably a substantial penalty to grab the iterators individually now, since the switch-based dispatch is kindof inherently slower than vtable dispatch. Grabbing them together is probably a slight win over the status quo, although of course we could've achieved that with vtables, too. I also reclassified SwitchCase (correctly) as an abstract Stmt class, which (as the first such class that wasn't an Expr subclass) required some fiddling in a few places. There are somewhat gross metaprogramming hooks in place to ensure that new statements/expressions continue to implement getSourceRange() and children(). I had to work around a recent clang bug; dgregor actually fixed it already, but I didn't want to introduce a selfhosting dependency on ToT. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125183 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce a new expression kind, SubstNonTypeTemplateParmPackExpr,Douglas Gregor2011-01-15
| | | | | | | | | | | that captures the substitution of a non-type template argument pack for a non-type template parameter pack within a pack expansion that cannot be fully expanded. This follows the approach taken by SubstTemplateTypeParmPackType. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123506 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement the sizeof...(pack) expression to compute the length of aDouglas Gregor2011-01-04
| | | | | | | | | | parameter pack. Note that we're missing proper libclang support for the new SizeOfPackExpr expression node. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122813 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement support for pack expansions whose pattern is a non-typeDouglas Gregor2011-01-03
| | | | | | | | | | | | | | | | | | | template argument (described by an expression, of course). For example: template<int...> struct int_tuple { }; template<int ...Values> struct square { typedef int_tuple<(Values*Values)...> type; }; It also lays the foundation for pack expansions in an initializer-list. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122751 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the TypesCompatibleExprClass AST node. Merge its functionality into ↵Francois Pichet2010-12-08
| | | | | | BinaryTypeTraitExpr. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121298 91177308-0d34-0410-b5e6-96231b3b80d8
* Type traits intrinsic implementation: __is_base_of(T, U)Francois Pichet2010-12-07
| | | | | | New AST node introduced: BinaryTypeTraitExpr; to be reused for more intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121074 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename CXXExprWithTemporaries -> ExprWithCleanups; there's no theoreticalJohn McCall2010-12-06
| | | | | | | | reason this is limited to C++, and it's certainly not limited to temporaries. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120996 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify the ASTs by consolidating ObjCImplicitGetterSetterExpr and ↵John McCall2010-12-02
| | | | | | | | | | ObjCPropertyRefExpr into the latter. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120643 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new expression kind, OpaqueValueExpr, which is useful forJohn McCall2010-11-15
| | | | | | | | | certain internal type-checking procedures as well as for representing certain implicitly-generated operations. Uses to follow. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119289 91177308-0d34-0410-b5e6-96231b3b80d8
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