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2013-02-20Add a new 'type_visibility' attribute to allow users toJohn McCall
control the visibility of a type for the purposes of RTTI and template argument restrictions independently of how visibility propagates to its non-type member declarations. Also fix r175326 to not ignore template argument visibility on a template explicit instantiation when a member has an explicit attribute but the instantiation does not. The type_visibility work is rdar://11880378 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175587 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-19PR15300: Support C++11 attributes on base-specifiers. We don't support any suchRichard Smith
attributes yet, so just issue the appropriate diagnostics. Also generalize the fixit for attributes-in-the-wrong-place code and reuse it here, if attributes are placed after the access-specifier or 'virtual' in a base specifier. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175575 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-19[analyzer] Don't accidentally strip off base object regions for lazy bindings.Jordan Rose
If a base object is at a 0 offset, RegionStoreManager may find a lazy binding for the entire object, then try to attach a FieldRegion or grandparent CXXBaseObjectRegion on top of that (skipping the intermediate region). We now preserve as many layers of base object regions necessary to make the types match. <rdar://problem/13239840> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175556 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-19Add the missing 'static' keyword to the testTimur Iskhodzhanov
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175502 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-19Add support for -fvisibility-ms-compat.John McCall
We treat this as an alternative to -fvisibility=<?> which changes the default value visibility to "hidden" and the default type visibility to "default". Expose a -cc1 option for changing the default type visibility, repurposing -fvisibility as the default value visibility option (also setting type visibility from it in the absence of a specific option). rdar://13079314 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175480 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-19Use the actual class visibility for the ObjC EHTYPE global,John McCall
not the global visibility mode. Noticed by inspection. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175479 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-18Test for my last patch. // rdar://13178483Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175453 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-18CodeGenFunction::CurFuncDecl can be NULL; fix crash introduced in r175386.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175448 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-18Ensure that the identifier chains have the most recent declaration after ↵Douglas Gregor
module deserialization. This commit introduces a set of related changes to ensure that the declaration that shows up in the identifier chain after deserializing declarations with a given identifier is, in fact, the most recent declaration. The primary change involves waiting until after we deserialize and wire up redeclaration chains before updating the identifier chains. There is a minor optimization in here to avoid recursively deserializing names as part of looking to see whether top-level declarations for a given name exist. A related change that became suddenly more urgent is to property record a merged declaration when an entity first declared in the current translation unit is later deserialized from a module (that had not been loaded at the time of the original declaration). Since we key off the canonical declaration (which is parsed, not from an AST file) for emitted redeclarations, we simply record this as a merged declaration during AST writing and let the readers merge them. Re-fixes <rdar://problem/13189985>, presumably for good this time. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175447 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-18AArch64: add atomic support parameters to TargetInfoTim Northover
This allows Clang to detect and deal wih __atomic_* operations properly on AArch64. Previously we produced an error when encountering them at high optimisation levels. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175438 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-18Update test cases to account for DIBuilder type changes.David Blaikie
Paired commit with LLVM, may produce temporary build breakage. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175427 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-18Disable dead stores checker for template instantations. Fixes ↵Ted Kremenek
<rdar://problem/13213575>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175425 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-17Test ivar-invariant.m: use a more idiomatic RUN line and tighten the testDmitri Gribenko
by matching the function name first git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175395 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-17Remove block names from test case to unbreak release builds.Lang Hames
Thanks Chandler. :) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175392 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-17Re-apply r174919 - smarter copy/move assignment/construction, with fixes forLang Hames
bitfield related issues. The original commit broke Takumi's builder. The bug was caused by bitfield sizes being determined by their underlying type, rather than the field info. A similar issue with bitfield alignments showed up on closer testing. Both have been fixed in this patch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175389 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-17[clang] fix test execution commandSaleem Abdulrasool
Signed-off-by: Saleem Abdulrasool <compnerd@compnerd.org> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175387 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-17[CodeGen] tighten objc ivar invariant.load attributionSaleem Abdulrasool
An ivar ofset cannot be marked as invariant load in all cases. The ivar offset is a lazily initialised constant, which is dependent on an objc_msgSend invocation to perform a fixup of the offset. If the load is being performed on a method implemented by the class then this load can safely be marked as an inviarant because a message must have been passed to the class at some point, forcing the ivar offset to be resolved. An additional heuristic that can be used to identify an invariant load would be if the ivar offset base is a parameter to an objc method. However, without the parameters available at hand, this is currently not possible. Reviewed-by: John McCall <rjmccall@apple.com> Signed-off-by: Saleem Abdulrasool <compnerd@compnerd.org> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175386 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-17Fix for ARM: functions don't have extra attributes there, so {{.*}} is ""Dmitri Gribenko
While there, explicitly declare functions to remove warnings. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175384 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-16libAnalysis: Add a case for TypeAliasDecl in CFGRecStmtDeclVisitor.Jordan Rose
Neither of the current clients of CFGRecStmtDeclVisitor are doing anything with typedefs, so I assume type aliases (C++11 "using") can be safely ignored. This was causing assertion failures in the analyzer. <rdar://problem/13228440> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175335 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-16Don't warn on conversion from NULL to nullptr_tDavid Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175331 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-16Emit vtables for an extern template class as available_externally, not asRichard Smith
linkonce_odr. Emit construction vtables as internal in this case, since the ABI does not guarantee that they will be availble externally. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175330 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-16[PCH] Deserializing the DeclContext of a template parameter is not safeArgyrios Kyrtzidis
until recursive loading is finished. Otherwise we may end up with a template trying to deserialize a template parameter that is in the process of getting loaded. rdar://13135282 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175329 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-16Rework the visibility computation algorithm in preparationJohn McCall
for distinguishing type vs. value visibility. The changes to the visibility of explicit specializations are intentional. The change to the "ugly" test case is a consequence of a sensible implementation, and I am happy to argue that this is better behavior. Other changes may or may not be intended; it is quite difficult to divine intent from some of the code I altered. I've left behind a comment which I hope explains the philosophy behind visibility computation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175326 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-15Add test case for r175312.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175313 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-15Add the 'target-cpu' and 'target-features' attributes to functions.Bill Wendling
The back-end will use these values to reconfigure code generation for different features. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175308 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-15libclang: add clang_getTypeSpelling(CXType CT)Dmitri Gribenko
Adds a function clang_getTypeSpelling(CXType CT) that returns a CXString containing the underlying type. Patch by Ben Gertzfield. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175299 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-15objective-C: Fixes a compiler crash when encodingFariborz Jahanian
an ivar of type pointer to a typedef'ed object. // rdar://13190095 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175298 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-15Fixed diagnostic nondeterministic order bug (pr14901).Enea Zaffanella
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175289 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-15Fix crash-on-invalid where a ParenListExpr shows up as a message receiverArgyrios Kyrtzidis
while trying to do error recovery. rdar://13207886 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175282 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-15When a statement is dropped from the AST because it was invalid, make sureArgyrios Kyrtzidis
we don't do the scope checks otherwise we are going to hit assertion checks since a label may not have been actually added. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175281 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-15Sema: Unnest early exit and remove an unnecessary bad cast.Benjamin Kramer
cast<ObjCObjectPointerType> doesn't look through sugar, getAs does. Fixes PR15257. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175272 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-15Abstract out emitting the vdtor calls and do it properly when using -cxx-abi ↵Timur Iskhodzhanov
microsoft; also fix vdtor calls for the ARM ABI git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175271 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-15Update testcases due to Attribute sorting improvements.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175253 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-15[analyzer] Don't assert when mixing reinterpret_cast and derived-to-base casts.Jordan Rose
This just adds a very simple check that if a DerivedToBase CastExpr is operating on a value with known C++ object type, and that type is not the base type specified in the AST, then the cast is invalid and we should return UnknownVal. In the future, perhaps we can have a checker that specifies that this is illegal, but we still shouldn't assert even if the user turns that checker off. PR14872 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175239 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-15Re-apply "[analyzer] Model trivial copy/move ctors with an aggregate bind."Jordan Rose
...after a host of optimizations related to the use of LazyCompoundVals (our implementation of aggregate binds). Originally applied in r173951. Reverted in r174069 because it was causing hangs. Re-applied in r174212. Reverted in r174265 because it was /still/ causing hangs. If this needs to be reverted again it will be punted to far in the future. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175234 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-14Make this test determinstic for my last patch.Fariborz Jahanian
// rdar://13192366 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175217 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-14objective-C: When implementing custom accessor method forFariborz Jahanian
a property, the -Wdirect-ivar-access should not warn when accessing the property's synthesized instance variable. // rdar://13142820 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175195 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-14[analyzer] Try constant-evaluation for all variables, not just globals.Jordan Rose
In C++, constants captured by lambdas (and blocks) are not actually stored in the closure object, since they can be expanded at compile time. In this case, they will have no binding when we go to look them up. Previously, RegionStore thought they were uninitialized stack variables; now, it checks to see if they are a constant we know how to evaluate, using the same logic as r175026. This particular code path is only for scalar variables. Constant arrays and structs are still unfortunately unhandled; we'll need a stronger solution for those. This may have a small performance impact, but only for truly-undefined local variables, captures in a non-inlined block, and non-constant globals. Even then, in the non-constant case we're only doing a quick type check. <rdar://problem/13105553> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175194 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-14[arcmt] Make sure the function has an associated parameter for the argumentArgyrios Kyrtzidis
before checking for its attributes. rdar://13192395 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175184 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-14Mangle extern "C" functions whose names are not simple identifiers.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175166 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-14Partially revert r175117 so that we don't break assumptions about howRafael Espindola
static functions in extern "C" contexts are mangled. Should fix the bootstrap. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175132 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-14merge hasCLanguageLinkage and isExternC. Keep the shorter name.Rafael Espindola
I added hasCLanguageLinkage while fixing some language linkage bugs some time ago so that I wouldn't have to check all users of isExternC. It turned out to be a much longer detour than expected, but this patch finally merges the two again. The isExternC function now implements just the standard notion of having C language linkage. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175119 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-14Add a getLanguageLinkage method to VarDecls and FunctionDecls. Use it to fixRafael Espindola
some cases where functions with no language linkage were being treated as having C language linkage. In particular, don't warn in extern "C" { static NonPod foo(); } Since getLanguageLinkage checks the language linkage, the linkage computation cannot use the language linkage. Break the loop by checking just the context in the linkage computation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175117 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-14When marking derived classes' virtual methods ODR-used in order to triggerNick Lewycky
instantiation in order to permit devirtualization later in codegen, skip over pure functions since those can't be devirtualization targets. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175116 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-13objective-C: Make order of ivars which are synthesizedFariborz Jahanian
in the course of property synthesis deterministic (ordered by their type size), instead of having hashtable order (as it is currently). // rdar://13192366 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175100 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-13[ms-inline asm] Add test case for r175083.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175084 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-13ubsan: Add checking for invalid downcasts. Per [expr.static.cast]p2 and p11,Richard Smith
base-to-derived casts have undefined behavior if the object is not actually an instance of the derived type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175078 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-13[libclang] Fix annotation of a range where the begin or end locationArgyrios Kyrtzidis
is inside a macro argument. Previously we would give up and not annotate anything in the range. rdar://11891550 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175062 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-13... and now fix the +Asserts buildTimur Iskhodzhanov
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175054 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-13Fix the microsoft-abi-structors test expectations to match both Release and ↵Timur Iskhodzhanov
Release+Asserts builds git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175053 91177308-0d34-0410-b5e6-96231b3b80d8
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