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2012-04-13Now that we provide sufficient support for three C11/C++11 atomicsRichard Smith
implementations, mark the atomics-related parts of the C++11 status page as done. I've not marked 'Strong Compare and Exchange' done, since although we implement supporting builtins, we don't yet produce different code for the weak and strong forms. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154644 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13C++11 no longer requires files to end with a newlineSeth Cantrell
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154643 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13Implement the missing pieces needed to support libstdc++4.7's <atomic>:Richard Smith
__atomic_test_and_set, __atomic_clear, plus a pile of undocumented __GCC_* predefined macros. Implement library fallback for __atomic_is_lock_free and __c11_atomic_is_lock_free, and implement __atomic_always_lock_free. Contrary to their documentation, GCC's __atomic_fetch_add family don't multiply the operand by sizeof(T) when operating on a pointer type. libstdc++ relies on this quirk. Remove this handling for all but the __c11_atomic_fetch_add and __c11_atomic_fetch_sub builtins. Contrary to their documentation, __atomic_test_and_set and __atomic_clear take a first argument of type 'volatile void *', not 'void *' or 'bool *', and __atomic_is_lock_free and __atomic_always_lock_free have an argument of type 'const volatile void *', not 'void *'. With this change, libstdc++4.7's <atomic> passes libc++'s atomic test suite, except for a couple of libstdc++ bugs and some cases where libc++'s test suite tests for properties which implementations have latitude to vary. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154640 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12objective-c modern translator: beautify rewrite ofFariborz Jahanian
struct __rw_objc_super; no functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154632 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12Config.h: Add another definition which the Darwin build (sometimes) uses.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154630 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12Warn on 64-to-32 for source value of x bits where 64 >= x > 32.David Blaikie
The codepath already only works for source bits > target bits, it's just that it was testing for the source expr bits to be exactly 64. This meant simple cases (int i = x_long / 2) were missed & ended up under the general -Wconversion warning, which a user might not have enabled. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154626 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12[analyzer] PCH deserialization optimization.Anna Zaks
We should not deserialize unused declarations from the PCH file. Achieve this by storing the top level declarations during parsing (HandleTopLevelDecl ASTConsumer callback) and analyzing/building a call graph only for those. Tested the patch on a sample ObjC file that uses PCH. With the patch, the analyzes is 17.5% faster and clang consumes 40% less memory. Got about 10% overall build/analyzes time decrease on a large Objective C project. A bit of CallGraph refactoring/cleanup as well.. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154625 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12[analyzer] Test case for r154451 (redefining system functions).Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154624 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12objective-c literals: Issue warning and ignoreFariborz Jahanian
when BOOL is not of an intergal type when boolean literals are used. // rdar://11231426 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154619 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12s/isAtomicConversion/tryAtomicConversion/g, per Jordy's suggestion.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154613 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12Fix some i1/i8 confusion within _Atomic(bool) in IR generation, bothDouglas Gregor
in general (such an atomic has boolean representation) and specifically for IR generation of __c11_atomic_init. The latter also means actually using initialization semantics for this initialization, rather than just creating a store. On a related note, make sure we actually put in non-atomic-to-atomic conversions when performing an implicit conversion sequence. IR generation is far too kind here, but we still want the ASTs to make sense. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154612 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12Include lambda capture init expressions in CFG.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154611 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12Add -Wuninitialized test for C++11 lambdas.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154608 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12Fix CFGBuilder to not include the body of a LambdaExpr in the CFG of the ↵Ted Kremenek
enclosing function. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154607 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12MIPS: Initialize MIPS CPU's name by default value.Simon Atanasyan
Otherwise MipsTargetInfoBase::getDefaultFeatures() might return an invalid features set with an empty feature name. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154606 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12Compute standard conversion sequences for conversions to atomicDouglas Gregor
types. The second and third conversions in the sequence are based on the conversion for the underlying type, so that we get sensible overloading behavior for, e.g., _Atomic(int) vs. _Atomic(float). As part of this, actually implement the lvalue-to-rvalue conversion for atomic types. There is probably a pile of code in SemaExpr that can now be deleted, but I haven't tracked it down yet. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154596 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12objective-c numeric literal: type of boolean isFariborz Jahanian
that of typedef BOOL if found. // rdar://11231426 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154595 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12modern objective-c translator. ifdef'out Fariborz Jahanian
__weak and __block when rewriting. // rdar://11236342 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154592 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12Fix the signatures for the _mm256_storeu2_* intrinsics.Chad Rosier
PR12532 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154591 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12Changed all direct calls to CompletionConsumer.reset(..) to go callErik Verbruggen
CompilerInstance::setCodeCompletionConsumer instead, in order to change the SkipFunctionBodies flag accordingly. Also fixed setCodeCompletionConsumer to take a reset() to null into account. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154585 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12Added a flag to the parser to skip method bodies.Erik Verbruggen
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154584 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12There's some code in the PCH reader that looks like it's needlessly complex, butNick Lewycky
turns out that it's actually needed for C++ modules support. Since simplifying it didn't cause any test failures, I'll add a test for it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154582 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12Implement support for 18 of the GNU-compatible __atomic builtins.Richard Smith
This is not quite sufficient for libstdc++'s <atomic>: we still need __atomic_test_and_set and __atomic_clear, and may need a more complete __atomic_is_lock_free implementation. We are also missing an implementation of __atomic_always_lock_free, __atomic_nand_fetch, and __atomic_fetch_nand, but those aren't needed for libstdc++. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154579 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12These functions too have no prototypes. Audited the rest of Sema forEric Christopher
FunctionDecl::Create calls as well. rdar://11079003 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154578 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12Testcase for previous commit.Eric Christopher
rdar://11079003 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154571 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12static functions have a need for mangled name debug information too.Eric Christopher
The mangler doesn't like non-prototyped functions so only use a mangled name for prototyped functions. rdar://11079003 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154570 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12The copy and destroy helper functions aren't prototyped, don't call themEric Christopher
so. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154569 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12Implement clang_getDiagnosticCategoryText() to provide a way for a client of ↵Ted Kremenek
libclang to accurately get the diagnostic category name from a serialized diagnostic when the version of libclang used to read the diagnostic file is newer than the clang that emitted the diagnostic file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154567 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11modern objective-c translator. Fixes a mis-translation whenFariborz Jahanian
of a __block struct object. // rdar://11230308 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154566 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11Add test for a construct we currently reject, constant-evaluating a load ↵Eli Friedman
from a constant string. Given that gcc doesn't accept this, we should continue to not accept it, even though it was accidentally supported by clang for a brief period. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154564 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11[analyzer] Another dynamic_cast false positive/negative.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154543 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11[analyzer] dynamic_cast Simplify null value generation.Anna Zaks
As per Jordy's review. Creating a symbol here is more flexible; however I could not come up with an example where it was needed. (What constrains can be added on of the symbol constrained to 0?) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154542 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11[analyzer] Better test cases for explaining where tracking types ofAnna Zaks
symbolic regions would help. Thanks to Richard Smith. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154541 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11modern objective-c translator. Fixes a translation bug when Fariborz Jahanian
first ivar in the list is a bitfield. // rdar://11229770 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154534 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11Part of PR10101: after a parse error in a declaration, try harder to find theRichard Smith
right place to pick up parsing. In C++, this had a tendency to skip everything declared within headers if the TU starts with garbage. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154530 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11[libclang] Apparently it's important to build in C89, sigh..Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154525 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11[libclang] Introduce a couple of functions to make it convenientArgyrios Kyrtzidis
to get at the parameters (and their types) of a function or objc method cursor. int clang_Cursor_getNumArguments(CXCursor C); CXCursor clang_Cursor_getArgument(CXCursor C, unsigned i); rdar://11201527 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154523 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11[libclang] In cxloc::translateSourceRange make sure to handle locations in ↵Argyrios Kyrtzidis
macro arguments correctly. clang diagnostics can provide fixits inside a macro argument now. rdar://11014346 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154517 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11Update recently-added test to use new __c11_ form of atomic builtins.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154514 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11Provide, and document, a set of __c11_atomic_* intrinsics to implement C11'sRichard Smith
<stdatomic.h> header. In passing, fix LanguageExtensions to note that C11 and C++11 are no longer "upcoming standards" but are now actually standardized. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154513 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11Make __atomic_init() (soon to be __c11_atomic_init()) work with non-scalar ↵David Chisnall
types. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154507 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11Clean up last commit as per dgregor's comments.David Chisnall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154501 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11Allow c++ initialisers to initialise _Atomic fields.David Chisnall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154499 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11Add a triple to this test.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154485 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11Try to fix the windows buildbots by making this test a little lessEric Christopher
dependent upon metadata ordering. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154482 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11Enable debug info for objective c implementations that may not haveEric Christopher
an explicit instance variable. rdar://10590352 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154481 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11Support C++11 attributes at the start of a parameter-declaration.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154476 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11[libclang] Fix "error: conflicts with new declaration with ‘C’ linkage" ↵Argyrios Kyrtzidis
that gcc emits but not clang. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154475 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-11[libclang] If displayDiagnostics is set (when calling clang_createIndex), ↵Argyrios Kyrtzidis
make sure to output the errors that occurred even if we did not get an AST (e.g. because the PCH failed to load). Also honor displayDiagnostics in clang_indexSourceFile(). rdar://11203489 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154472 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-10[analyzer] Don't crash even when the system functions are redefined.Anna Zaks
(Applied changes to CStringAPI, Malloc, and Taint.) This might almost never happen, but we should not crash even if it does. This fixes a crash on the internal analyzer buildbot, where postgresql's configure was redefining memmove (radar://11219852). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154451 91177308-0d34-0410-b5e6-96231b3b80d8
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