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* Unify naming of LangOptions variable/get function across the Clang stack ↵David Blaikie2012-03-111-12/+12
| | | | | | | | | | (Lex to AST). The member variable is always "LangOpts" and the member function is always "getLangOpts". Reviewed by Chris Lattner git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152536 91177308-0d34-0410-b5e6-96231b3b80d8
* Add clang support for new Objective-C literal syntax for NSDictionary, NSArray,Ted Kremenek2012-03-061-0/+2
| | | | | | | | | | | | | 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
* ArrayRef'ize various functions in the AST/Parser/Sema.Ahmed Charles2012-02-251-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151447 91177308-0d34-0410-b5e6-96231b3b80d8
* Split reinterpret_casts of member pointers out from CK_BitCast; thisJohn McCall2012-02-151-1/+2
| | | | | | | | | | | | | | | | | | | | | is general goodness because representations of member pointers are not always equivalent across member pointer types on all ABIs (even though this isn't really standard-endorsed). Take advantage of the new information to teach IR-generation how to do these reinterprets in constant initializers. Make sure this works when intermingled with hierarchy conversions (although this is not part of our motivating use case). Doing this in the constant-evaluator would probably have been better, but that would require a *lot* of extra structure in the representation of constant member pointers: you'd really have to track an arbitrary chain of hierarchy conversions and reinterpretations in order to get this right. Ultimately, this seems less complex. I also wasn't quite sure how to extend the constant evaluator to handle foldings that we don't actually want to treat as extended constant expressions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150551 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't route explicit construction via list-initialization through the ↵Sebastian Redl2012-02-131-13/+15
| | | | | | functional cast code path. It sometimes does the wrong thing, produces horrible error messages, and is just unnecessary. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150408 91177308-0d34-0410-b5e6-96231b3b80d8
* Proper initializer list support for new expressions and type construct ↵Sebastian Redl2012-02-121-23/+26
| | | | | | expressions. Array new still missing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150346 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the way we store initialization kinds so that all direct inits can ↵Sebastian Redl2012-02-121-5/+10
| | | | | | distinguish between list and parens form. This allows us to correctly diagnose the last test cases from litb. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150343 91177308-0d34-0410-b5e6-96231b3b80d8
* C++ 5.2.10p2 has a note that mentions that, subject to all other restrictions,Chad Rosier2012-02-031-12/+21
| | | | | | | | a cast to the same type is allowed so long as it does not cast away constness. Fix for PR11747. Patch by Aaron Ballman. Reviewed by Eli. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149664 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unreachable code in Clang. (replace with llvm_unreachable where ↵David Blaikie2012-01-171-3/+0
| | | | | | appropriate or when GCC requires it) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148292 91177308-0d34-0410-b5e6-96231b3b80d8
* Some improvements to the handling of C11 atomic types:David Chisnall2012-01-161-0/+5
| | | | | | | | | | | | | | | | | | | | - Add atomic-to/from-nonatomic cast types - Emit atomic operations for arithmetic on atomic types - Emit non-atomic stores for initialisation of atomic types, but atomic stores and loads for every other store / load - Add a __atomic_init() intrinsic which does a non-atomic store to an _Atomic() type. This is needed for the corresponding C11 stdatomic.h function. - Enables the relevant __has_feature() checks. The feature isn't 100% complete yet, but it's done enough that we want people testing it. Still to do: - Make the arithmetic operations on atomic types (e.g. Atomic(int) foo = 1; foo++;) use the correct LLVM intrinsic if one exists, not a loop with a cmpxchg. - Add a signal fence builtin - Properly set the fenv state in atomic operations on floating point values - Correctly handle things like _Atomic(_Complex double) which are too large for an atomic cmpxchg on some platforms (this requires working out what 'correctly' means in this context) - Fix the many remaining corner cases git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148242 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix some edge cases with C++ casts and placeholder expressions.Eli Friedman2012-01-121-12/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147984 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r145244. It causes us to create broken ASTs with missing type informationRichard Smith2011-11-291-67/+11
| | | | | | | | | | | for some cast expressions. Original commit message: Removed useless ImplicitCast nodes in explicit cstyle and static casts git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145447 91177308-0d34-0410-b5e6-96231b3b80d8
* Removed useless ImplicitCast nodes in explicit cstyle and static castsNicola Gigante2011-11-281-11/+67
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145244 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed a cut&paste error introduced in r141336.Abramo Bagnara2011-11-151-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144637 91177308-0d34-0410-b5e6-96231b3b80d8
* Add missing lvalue-to-rvalue conversion.Eli Friedman2011-10-311-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143364 91177308-0d34-0410-b5e6-96231b3b80d8
* -Wc++98-compat and -Wc++98-compat-pedantic warnings for Sema, part 1.Richard Smith2011-10-181-4/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142419 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach the ARC compiler to not require __bridge casts whenJohn McCall2011-10-171-44/+50
| | | | | | | | | passing/receiving CF objects at +0 to/from Objective-C methods or audited C functions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142219 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a helper function for determining whether an expressionJohn McCall2011-10-171-1/+1
| | | | | | | | has placeholder type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142203 91177308-0d34-0410-b5e6-96231b3b80d8
* Catch placeholder types in DefaultLvalueConversionJohn McCall2011-10-111-20/+24
| | | | | | | | | | | | | and DefaultFunctionArrayLvalueConversion. To prevent significant regression for should-this-be-a-call fixits, and to repair some such regression from the introduction of bound member placeholders, make those placeholder checks try to build calls appropriately. Harden the build-a-call logic while we're at it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141738 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename SemaCXXCast.cpp to SemaCast.cpp.John McCall2011-10-111-0/+2065
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141686 91177308-0d34-0410-b5e6-96231b3b80d8
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