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2011-10-30Add support for lazily linking bitcode files (using a newPeter Collingbourne
-mlink-bitcode-file flag), and more generally llvm::Modules, before running optimisations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143314 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-29Start work on SerializedDiagnosticPrinter, a new DiagnosticConsumer that ↵Ted Kremenek
serializes out the diagnostics for a given translation unit to a bit code file. This is a WIP. The motivation for this new DiagnosticConsumer is to provide a way for tools invoking the compiler to get its diagnostics via a libclang interface, rather than textually parsing the compiler output. This gives us flexibility to change the compiler's textual output, but have a structured data format for clients to use to get the diagnostics via a stable API. I have no tests for this, but llvm-bcanalyzer so far shows that the emitted file is well-formed. More work to follow. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143259 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-29objc-arc: desugar certain type and improve on diagnostic forFariborz Jahanian
ownership qualifier cast which won't work. // rdar://10244607 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143258 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-28Move -Wc++11-compat out of -Wall. It causes trouble for clients thatDouglas Gregor
define their own "nullptr" class in C++98 and build with -Wall. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143248 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-28objective-c arc: type-casting of an objc pointer toFariborz Jahanian
an rvalue retainable object type with life-time qualifier has no effect and wil be diagnosed as error. // rdar://10244607 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143219 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-28Fix for PR9751 to change the behavior of -Wformat warnings. If the formatRichard Trieu
string is part of the function call, then there is no difference. If the format string is not, the warning will point to the call site and a note will point to where the format string is. Fix-it hints for strings are moved to the note if a note is emitted. This will prevent changes to format strings that may be used in multiple places. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143168 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27Make the loading of information attached to an IdentifierInfo from anDouglas Gregor
AST file more lazy, so that we don't eagerly load that information for all known identifiers each time a new AST file is loaded. The eager reloading made some sense in the context of precompiled headers, since very few identifiers were defined before PCH load time. With modules, however, a huge amount of code can get parsed before we see an @import, so laziness becomes important here. The approach taken to make this information lazy is fairly simple: when we load a new AST file, we mark all of the existing identifiers as being out-of-date. Whenever we want to access information that may come from an AST (e.g., whether the identifier has a macro definition, or what top-level declarations have that name), we check the out-of-date bit and, if it's set, ask the AST reader to update the IdentifierInfo from the AST files. The update is a merge, and we now take care to merge declarations before/after imports with declarations from multiple imports. The results of this optimization are fairly dramatic. On a small application that brings in 14 non-trivial modules, this takes modules from being > 3x slower than a "perfect" PCH file down to 30% slower for a full rebuild. A partial rebuild (where the PCH file or modules can be re-used) is down to 7% slower. Making the PCH file just a little imperfect (e.g., adding two smallish modules used by a bunch of .m files that aren't in the PCH file) tips the scales in favor of the modules approach, with 24% faster partial rebuilds. This is just a first step; the lazy scheme could possibly be improved by adding versioning, so we don't search into modules we already searched. Moreover, we'll need similar lazy schemes for all of the other lookup data structures, such as DeclContexts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143100 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Handle redundant 'typename' on base class specifications.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142937 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Fix erroneous name-specifiers prior to decltypes better/correctly as per ↵David Blaikie
Doug's feedback. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142935 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Restore r142914 and r142915, now with missing file and apparentJohn McCall
GCC compiler workaround. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142931 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Revert r142914 and r142915, due to possibly missing file.NAKAMURA Takumi
r142914: "Introduce a placeholder type for "pseudo object"" r142915: "Pull the pseudo-object stuff into its own file." git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142921 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Introduce a placeholder type for "pseudo object"John McCall
expressions: expressions which refer to a logical rather than a physical l-value, where the logical object is actually accessed via custom getter/setter code. A subsequent patch will generalize the AST for these so that arbitrary "implementing" sub-expressions can be provided. Right now the only client is ObjC properties, but this should be generalizable to similar language features, e.g. Managed C++'s __property methods. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142914 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Check for unexpanded parameter packs in the name that guards aDouglas Gregor
Microsoft __if_exists/__if_not_exists statement. Also note that we weren't traversing DeclarationNameInfo *at all* within the RecursiveASTVisitor, which would be rather fatal for variadic templates. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142906 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Make the -Wc++11-compat warnings ignored by default, so we don't breakDouglas Gregor
valid C++98/03 code. However, add these warnings to -Wall, for those who obviously already like clean code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142903 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Implement support for dependent Microsoft __if_exists/__if_not_existsDouglas Gregor
statements. As noted in the documentation for the AST node, the semantics of __if_exists/__if_not_exists are somewhat different from the way Visual C++ implements them, because our parsed-template representation can't accommodate VC++ semantics without serious contortions. Hopefully this implementation is "good enough". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142901 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25[PCH] When visiting preprocessed entities, make it possible to avoid ↵Argyrios Kyrtzidis
deserializing preprocessed entities that are #included in the range that we are interested. This is useful when we are interested in preprocessed entities of a specific file, e.g when we are annotating tokens. There is also an optimization where we cache the last result of PreprocessingRecord::getPreprocessedEntitiesInRange and we re-use it if there is a call with the same range as before. rdar://10313365 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142887 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24Rework Microsoft __if_exists/__if_not_exists parsing and semanticDouglas Gregor
analysis to separate dependent names from non-dependent names. For dependent names, we'll behave differently from Visual C++: - For __if_exists/__if_not_exists at class scope, we'll just warn and then ignore them. - For __if_exists/__if_not_exists in statements, we'll treat the inner statement as a compound statement, which we only instantiate in templates where the dependent name (after instantiation) exists. This behavior is different from VC++, but it's as close as we can get without encroaching ridiculousness. The latter part (dependent statements) is not yet implemented. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142864 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-23Fix grammar for C++11 alignment specifiers, and add a few FIXMEs.Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142760 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-23Fix typo (C++1 -> C++11).Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142759 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-21Thread safety analysis refactoring: invalid lock expressions.DeLesley Hutchins
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142666 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-21Treat the Microsoft/Borland keyword "__except" as a context-sensitiveDouglas Gregor
keyword, because both libstdc++ and libc++ use "__except" as an identifier. Fixes <rdar://problem/10322555>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142636 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-20Add -Wc++98-compat diagnostics for jumps which bypass initialization of non-PODRichard Smith
but trivially constructible and destructible variables in C++11 mode. Also incidentally improve the precision of the wording for jump diagnostics in C++98 mode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142619 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-20'extern template' is a C++11 feature. Add an Extension for C++98 (this matchesRichard Smith
gcc's behaviour), and a -Wc++98-compat-pedantic warning for C++11. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142597 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-20Further refine the diagnostic categories for ARC diagnostics. Addresses ↵Ted Kremenek
<rdar://problem/10245086>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142571 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-20Add -Wc++98-compat warning for enumerations in nested name specifiers.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142568 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-20Add a fixit to remove storage specifiers on anonymous enums.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142565 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-20Fix all 80 col violations in include/clang/Basic, plus any trailing ↵David Blaikie
whitespace in the files I'm touching anyway. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142564 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-19-Wc++98-compat: warn on nontrivial types used in unions and anonymous structs.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142541 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-19-Wc++98-compat: diagnose if a reference is bound to a prvalue which does notRichard Smith
have an unambiguous accessible copying constructor; this is ill-formed in C++98. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142533 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-19Fix the signatures of vfork, __sigsetjmp and sigsetjmp.Rafael Espindola
Patch by Dimitry Andric. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142531 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-19Add a -Wc++98-compat warning for friend functions of class templates which wouldRichard Smith
be implicitly instantiated (resulting in a redefinition) in C++98. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142468 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-19-Wc++98-compat: warn if a SFINAE substitution in C++11 suppresses an accessRichard Smith
control diagnostic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142463 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18[libclang] Make sure we do a correct invalid check in ↵Argyrios Kyrtzidis
clang_getExpansionLocation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142430 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18-Wc++98-compat and -Wc++98-compat-pedantic warnings for Sema, part 2.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142426 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18-Wc++98-compat and -Wc++98-compat-pedantic warnings for Sema, part 1.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142419 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18objc: diagnose invalid argument to anFariborz Jahanian
iboutletcollection attribute intead of crashing. // rdar://10296078 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142364 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18Add -Wc++11-compat warning for an inline specifier on an explicit instantiation.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142333 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18Refactor the checking for explicit template instantiations being performed inRichard Smith
the right namespace in C++11 mode. Teach the code to prefer the 'must be in precisely this namespace' diagnostic whenever that's true, and fix a defect which resulted in the -Wc++11-compat warning in C++98 mode sometimes being omitted. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142329 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17Add -Wc++98-compat warnings for uses of the new keywords 'alignof', 'char16_t',Richard Smith
'char32_t', 'constexpr', 'decltype', 'noexcept', 'nullptr' and 'static_assert'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142302 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17Move about 20 random diagnostics under -W flags. Patch by Ahmed Charles!Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142284 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17Initial implementation of __atomic_is_lock_free. The input is the size of ↵Eli Friedman
an atomic type rather than an atomic type itself just to save some implementation pain; I can change that if it seems worthwhile. I think this is the last hook needed for <atomic> besides defines for ATOMIC_CHAR_LOCK_FREE and friends. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142281 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17Teach the ARC compiler to not require __bridge casts whenJohn McCall
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
2011-10-17For modules, all macros that aren't include guards are implicitlyDouglas Gregor
public. Add a __private_macro__ directive to hide a macro, similar to the __module_private__ declaration specifier. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142188 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-16Add sema checks for calls to functions taking static array parametersPeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142157 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-16Diagnose when omitting braces in direct list-initialization in C++0x.Sebastian Redl
This also applies to C99-style aggregate literals, should they be used in C++11, since they are effectively identical to constructor call list-initialization syntax. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142147 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Add an accessor for all of the ranges in a diagnostic as an ArrayRef.Chandler Carruth
This will simplify a number of calls in the diagnostic printing going forward. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142062 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Add -Wc++98-compat warning for deduced 'auto' type specifier.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142057 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Implement -Wc++98-compat warnings for the parser.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142056 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Use of override keywords in C++98 should produce a warning by default.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142050 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15Rename an ExtWarn to ext_ for consistency.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142049 91177308-0d34-0410-b5e6-96231b3b80d8
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