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2013-03-28Objective-C: Provide fixit suggestions when class objectFariborz Jahanian
is accessed via accessing 'isa' ivar to use object_getClass/object_setClass apis. // rdar://13503456 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178282 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28Implemented a warning when an input several bitwise operations areSam Panzer
likely be implicitly truncated: * All forms of Bitwise-and, bitwise-or, and integer multiplication. * The assignment form of integer addition, subtraction, and exclusive-or * The RHS of the comma operator * The LHS of left shifts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178273 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28Add CFG logic to create a conditional branch for modeling static initializers.Ted Kremenek
This is an optional variant of the CFG. This allows analyses to model whether or not a static initializer has run, e.g.: static Foo x = bar(); For basic dataflow analysis in Sema we will just assume that the initializer always runs. For the static analyzer we can use this branch to accurately track whether or not initializers are on. This patch just adds the (opt-in) functionality to the CFG. The static analyzer still needs to be modified to adopt this feature. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178263 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28These are all simple pointer wrappers. Pass them by value.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178247 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28Add support for gcc-compatible -mpopcntd -mno-popcntd PPC optionsHal Finkel
gcc provides -mpopcntd and -mno-popcntd for controlling the popcntd target feature; support these options as well. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178235 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28[Mips] Handle pseudo-target flags '-EL' and '-EB' and properly adjustSimon Atanasyan
toolchain flags for MIPS targets. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178232 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28Add support for gcc-compatible -mmfcrf -mno-mfcrf PPC optionsHal Finkel
gcc provides -mmfcrf and -mno-mfcrf for controlling what we call the mfocrf target feature. Also, PPC is now making use of the static function AddTargetFeature used by the Mips Driver code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178227 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28Support C11 _Atomic type qualifier. This is more-or-less just syntactic ↵Richard Smith
sugar for the _Atomic type specifier. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178210 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28Fold together the two implementations of 6.7.3p2 in SemaType. Fix two bugs, ↵Richard Smith
each of which was only present in one version: * Give the right diagnostic for 'restrict' applied to a non-pointer, non-reference type. * Don't reject 'restrict' applied indirectly to an Objective-C object pointer type (eg, through template instantiation). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178200 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-27[Parser] Don't code-complete twice.Argyrios Kyrtzidis
When we are consuming the current token just to enter a new token stream, we push the current token in the back of the stream so that we get it again. Unfortunately this had the effect where if the current token is a code-completion one, we would code-complete once during consuming it and another time after the stream ended. Fix this by making sure that, in this case, ConsumeAnyToken() will consume a code-completion token without invoking code-completion. rdar://12842503 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178199 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-27Fixes a typo in my last patch.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178184 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-27Objective-C: Issue more precise warning when userFariborz Jahanian
is accessing 'isa' as an object pointer. // rdar://13503456. FixIt to follow in another patch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178179 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-27Cleanup clang's specializations of simplify_type.Rafael Espindola
Now that the basic implementation in llvm has been fixed, simplify the specializations in clang. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178173 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-27[analyzer] Ensure that the node NilReceiverBRVisitor is looking for is not ↵Anna Zaks
reclaimed The visitor should look for the PreStmt node as the receiver is nil in the PreStmt and this is the node. Also, tag the nil receiver nodes with a special tag for consistency. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178152 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-27[modules] Make sure enabled diagnostic pragmas inside the module don't ↵Argyrios Kyrtzidis
affect the translation unit that imports the module. Getting diagnostic sections from modules properly working is a fixme. rdar://13516663 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178151 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-27<rdar://problem/13509689> Introduce -module-file-info option that provides ↵Douglas Gregor
information about a particular module file. This option can be useful for end users who want to know why they ended up with a ton of different variants of the "std" module in their module cache. This problem should go away over time, as we reduce the need for module variants, but it will never go away entirely. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178148 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-27Implement compiler intrinsics needed for compatibility with MSVC 2012 ↵Joao Matos
<type_traits>. Patch by me and Ryan Molden. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178111 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-27[modules] Before marking the module imported macros as ambiguous, check if ↵Argyrios Kyrtzidis
this is a case where the system macro uses a not identical definition compared to a macro from the clang headers. For example (these come from different modules): \#define LONG_MAX __LONG_MAX__ (clang's limits.h) \#define LONG_MAX 0x7fffffffffffffffL (system's limits.h) in which case don't mark them ambiguous to avoid the "ambiguous macro expansion" warning. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178109 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-27Remove IdentifierInfo::setHadMacroDefinition()Argyrios Kyrtzidis
It's not used anymore. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178108 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-27[PCH/modules] Remove HiddenName::MacroUndefArgyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178107 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-27[Preprocessor] Remove PPMutationListener.Argyrios Kyrtzidis
It's not used anymore. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178106 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-27If we're unable to create the TargetMachine, then just quit producing theChad Rosier
backend output; there's no need to report a fatal error. This reverts r178042. Part of rdar://13295753 and rdar://13401547 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178102 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-27Split "incomplete implementation" warnings for ObjC into separate warnings.Ted Kremenek
Previously all unimplemented methods for a class were grouped under a single warning, with all the unimplemented methods mentioned as notes. Based on feedback from users, most users would like a separate warning for each method, with a note pointing back to the original method declaration. Implements <rdar://problem/13350414> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178097 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-26[analyzer] Change inlining policy to inline small functions when reanalyzing ↵Anna Zaks
ObjC methods as top level. This allows us to better reason about(inline) small wrapper functions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178063 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-26Remove useGlobalsForAutomaticVariables.Rafael Espindola
It is unused since pic support went away. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178055 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-26[ms-cxxabi] Give the MS inheritance attributes a base classReid Kleckner
Required making a handful of changes to the table generator. Also adds an unspecified inheritance attribute. This opens the path for us to apply these attributes to C++ records implicitly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178054 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-26Fix a crasher by reporting a fatal error if we're unable to create the targetChad Rosier
machine and one is required. Part of rdar://13295753 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178042 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-26Add PRFCHW intrinsic supportMichael Liao
- Add head 'prfchwintrin.h' to define '_m_prefetchw' which is mapped to LLVM/clang prefetch builtin - Add option '-mprfchw' to enable PRFCHW feature and pre-define '__PRFCHW__' macro git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178041 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-26[Preprocessor/Modules] Separate the macro directives kinds into their own ↵Argyrios Kyrtzidis
MacroDirective's subclasses. For each macro directive (define, undefine, visibility) have a separate object that gets chained to the macro directive history. This has several benefits: -No need to mutate a MacroDirective when there is a undefine/visibility directive. Stuff like PPMutationListener become unnecessary. -No need to keep extra source locations for the undef/visibility locations for the define directive object (which is the majority of the directives) -Much easier to hide/unhide a section in the macro directive history. -Easier to track the effects of the directives across different submodules. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178037 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-26Implement special-case name lookup for inheriting constructors: memberRichard Smith
using-declarations with names which look constructor-like are interpreted as constructor names. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177957 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-25Fix layering violation harder.Matt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177940 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-25<rdar://problem/13434605> Periodically prune the module cache so that it ↵Douglas Gregor
does not grow forever. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177918 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-25Correct indentation. No functionality change.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177916 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-25Emit an error message instead of crashing when dereferencing an incomplete ↵Bill Wendling
pointer type. If the ASM statement is dereferencing an incomplete pointer type, issue an error instead of crashing. <rdar://problem/12700799> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177915 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-24Reject -no-integrated-as on windows.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177840 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-24Generate metadata to implement the -cl-kernel-arg-info option.Guy Benyei
OpenCL 1.2 spec. 5.7.3. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177839 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-23[analyzer] Teach constraint managers about unsigned comparisons.Jordan Rose
In C, comparisons between signed and unsigned numbers are always done in unsigned-space. Thus, we should know that "i >= 0U" is always true, even if 'i' is signed. Similarly, "u >= 0" is also always true, even though '0' is signed. Part of <rdar://problem/13239003> (false positives related to std::vector) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177806 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-23Add reverseComparisonOp and negateComparisonOp to BinaryOperator.Jordan Rose
...and adopt them in the analyzer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177802 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-23If a .syms file is available alongside a sanitizer runtime, pass it to theRichard Smith
linker via --dynamic-list instead of using --export-dynamic. This reduces the size of the dynamic symbol table, and thus of the binary (in some cases by up to ~30%). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177783 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22Revert "[analyzer] Break cycles (optionally) when trimming an ExplodedGraph."Jordan Rose
The algorithm used here was ridiculously slow when a potential back-edge pointed to a node that already had a lot of successors. The previous commit makes this feature unnecessary anyway. This reverts r177468 / f4cf6b10f863b9bc716a09b2b2a8c497dcc6aa9b. Conflicts: lib/StaticAnalyzer/Core/BugReporter.cpp git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177765 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22[analyzer] Fix ExprEngine::ViewGraph to handle C++ initializers.Jordan Rose
Debugging aid only, no functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177762 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22[PCH/Modules] De/Serialize MacroInfos separately than MacroDirectives.Argyrios Kyrtzidis
-Serialize the macro directives history into its own section -Get rid of the macro updates section -When de/serializing an identifier from a module, associate only one macro per submodule that defined+exported it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177761 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22[modules] When a MacroInfo object is deserialized, allocate and store its ↵Argyrios Kyrtzidis
submodule ID. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177760 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22<rdar://problem/13479539> Simplify ModuleManager/GlobalModuleIndex ↵Douglas Gregor
interaction to eliminate a pile of extraneous stats(). The refactoring in r177367 introduced a serious performance bug where the "lazy" resolution of module file names in the global module index to actual module file entries in the module manager would perform repeated negative stats(). The new interaction requires the module manager to inform the global module index when a module file has been loaded, eliminating the extraneous stat()s and a bunch of bookkeeping on both sides. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177750 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22documentation parsing. Provide code completion comment Fariborz Jahanian
for self.GetterName where GetterName is the getter method for a property with name different from the property name (declared via a property getter attribute) // rdar://12791315 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177744 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22Fix DeclRefExpr::getFoundDecl() for usages by reference.Daniel Jasper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177721 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22OpenMP threadprivate directive parsing and semantic analysisAlexey Bataev
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177705 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22Warn about attempts to reinterpret_cast between two types that areJohn McCall
hierarchy-related at a possibly nonzero offset. Patch by Alexander Zinenko! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177698 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22Fix a crash-on-valid where a block capture copy expression wasJohn McCall
picking up cleanups from earlier in the statement. Also fix a crash-on-invalid where a reference to an invalid decl from an enclosing scope was causing an expression to fail to build, but only *after* a cleanup was registered from that statement, causing an assertion downstream. The crash-on-valid is rdar://13459289. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177692 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-21Objective-C: Tighten the rules when warningFariborz Jahanian
is issused for on overriding 'readwrite' property which is not auto-synthesized. Buttom line is that if hueristics determine that there will be a user implemented setter, no warning will be issued. // rdar://13388503 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177662 91177308-0d34-0410-b5e6-96231b3b80d8
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