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2012-04-16Implement C++11 [expr.prim.general]p3, which permits the use of 'this'Douglas Gregor
in the declaration of a non-static member function after the (optional) cv-qualifier-seq, which in practice means in the exception specification and late-specified return type. The new scheme here used to manage 'this' outside of a member function scope is more general than the Scope-based mechanism previously used for non-static data member initializers and late-parsesd attributes, because it can also handle the cv-qualifiers on the member function. Note, however, that a separate pass is required for static member functions to determine whether 'this' was used, because we might not know that we have a static function until after declaration matching. Finally, this introduces name mangling for 'this' and for the implicit 'this', which is intended to match GCC's mangling. Independent verification for the new mangling test case would be appreciated. Fixes PR10036 and PR12450. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154799 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-16Make constant evaluation for pointer comparisons work correctly for some ↵Eli Friedman
uncommon cases. <rdar://problem/10962435>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154794 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-16The result of the Microsoft __uuidof operator must be considered a global ↵Francois Pichet
lvalue during constant expression evaluation. Otherwise we would get this error in C++11 mode (because of a recent change): error: non-type template argument of type 'const _GUID *' is not a constant expression For code like: template <const GUID* g = &__uuidof(struct_with_uuid)> class COM_CLASS { }; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154790 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-16Propagate alignment on lvalues through EmitLValueForField. PR12395.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154789 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-16Add 'env' in hopes of making this test pass on Windows.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154785 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-16Implement the all_lookups_iterator for PCH as a follow-up to r153970. ThisNick Lewycky
includes a patch from Matthias Kleine with a regression testcase! Adds a new iterator 'data_iterator' to OnDiskHashTable which doesn't try to reconstruct the external_key from the internal_key, which is useful for traits that don't store enough information to do that mapping in their key. Also deletes the 'item_iterator' from OnDiskHashTable as dead code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154784 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-15Change _mm256_permute4x64_epi64 and _mm256_permute4x64_pd to use ↵Craig Topper
builtin_shufflevector instead of specific builtins. Old builtins will be removed from llvm now that vpermq/vpermpd are supported by shuffle lowering code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154777 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-15Fix tests that weren't actually verifying anything.David Blaikie
Passing -verify to clang without -cc1 or -Xclang silently passes (with a printed warning, but lit doesn't care about that). This change adds -cc1 or, as is necessary in one case, -Xclang to fix this so that these tests are actually verifying as intended. I'd like to change the driver so this kind of mistake could not be made, but I'm not entirely sure how. Further, since the driver only warns about unknown flags in general, we could have similar bugs with a misspellings of arguments that would be nice to find. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154776 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-15Use MDBuilder to help with metadata creation.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154767 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-15%clang -cc1 -> %clang_cc1Seth Cantrell
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154757 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-15PR12226: don't generate wrong code if a braced string literal is used toRichard Smith
initialize an array of unsigned char. Outside C++11 mode, this bug was benign, and just resulted in us emitting a constant which was double the required length, padded with 0s. In C++11, it resulted in us generating an array whose first element was something like i8 ptrtoint ([n x i8]* @str to i8). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154756 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-14objective-c modern translator: Make metadataFariborz Jahanian
definition for protocols static. // rdar://11248048 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154753 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-14Consider visibility attributes last, so that they take precedence.Rafael Espindola
I am working on a cleaner fix, but this gets the case in PR12552 passing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154749 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-14Rename "fpaccuracy" metadata to the more generic "fpmath". That's because I'mDuncan Sands
thinking of generalizing it to be able to specify other freedoms beyond accuracy (such as that NaN's don't have to be respected). I'd like the 3.1 release (the first one with this metadata) to have the more generic name already rather than having to auto-upgrade it in 3.2. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154745 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-14Add an AttributedStmt type to represent a statement with C++11 attributesRichard Smith
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
2012-04-13Don't enter cleanups for unreachable variables. It's impossible toJohn McCall
jump into these scopes, and the cleanup-entering code sometimes wants to do some operations first (e.g. a GEP), which can leave us with unparented IR. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154684 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13modern objective-c translator: Fixes translation ofFariborz Jahanian
__typeof which is a regression by reverting r154360. // rdar://11233924 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154679 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13modern objective-c translator: When translatingFariborz Jahanian
call to 'super' use __rw_objc_super as type of the 'super' meta-data instead of objc_super. // rdar://11239894 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154670 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13Remove the -cc1-level option "-pubnames-dump". Such things should stayDouglas Gregor
out of the tree and use the tooling infrastructure. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154668 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13super and class property reference expressions don't need to beDouglas Gregor
rebuilt. Fixes <rdar://problem/11052352>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154667 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13First set of tests for ARM homogenous aggregates. C only. C++ will follow.Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154666 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13Implement __atomic_fetch_nand and __atomic_nand_fetch to complete our set ofRichard Smith
GNU __atomic builtins. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154659 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13PR12500: Improve the wording of the diagnostic for a redefinition of a nameRichard Smith
in the wrong namespace scope. Patch by Jonathan Sauer! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154656 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13Support -Wc++98-compat-pedantic as requested:Seth Cantrell
http://lists.cs.uiuc.edu/pipermail/cfe-commits/Week-of-Mon-20120409/056126.html git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154655 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13Fix a trivial oversight with apple-kext static local destructorsJohn McCall
and add a test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154653 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-13When we're flagging a protected scope to prevent jumps into theJohn McCall
shadow of a block expression with non-trivial destructed cleanups, we should flag that in the enclosing function, not in the block that we're about to pop. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154646 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
2012-04-12Warn 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
2012-04-12Fix 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
2012-04-12Compute 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
2012-04-12Added 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
2012-04-12Testcase for previous commit.Eric Christopher
rdar://11079003 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154571 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-12The 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] 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
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