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2012-12-21Change checkUnsafeAssignLiteral() to use the new Sema::CheckLiteralKind().Ted Kremenek
Along the way, fix a bug in CheckLiteralKind(), previously in diagnoseObjCLiteralComparison, where we didn't ignore parentheses in boxed expressions for purpose of classification. In other words, both @42 and @(42) should be classified as numeric literals. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170931 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-21Extend checkUnsafeAssigns() to also handle assigning an object literal to a ↵Ted Kremenek
weak reference. Thanks to Jordan Rose and John McCall for their sage code review. Fixes <rdar://problem/12569201>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170864 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Revert "Warn if a __weak variable is initialized with an Objective-C object ↵Ted Kremenek
literal." Per code feedback, I want to see if there is a more general way to do this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170777 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Warn if a __weak variable is initialized with an Objective-C object literal.Ted Kremenek
Such variables may immediately become nil or may have unpredictable behavior. Fixes <rdar://problem/12569201>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170763 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Move operator precedence calculation to new headerDaniel Jasper
Thereby, it can be reused by clang-format and others. Review: http://llvm-reviews.chandlerc.com/D229 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170757 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Attribute 'cf_returns_autoreleased' doesn't really exist.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170723 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Revert r170500. It over-zealously converted *ALL* things named Attributes, ↵Bill Wendling
which is wrong here. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170721 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Fix code that attempted to produce a diagnostic with one DiagnosticEngine, thenRichard Smith
produce a note for that diagnostic either with a different DiagnosticEngine or after calling DiagnosticEngine::Reset(). That didn't make any sense, and did the wrong thing if the original diagnostic was suppressed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170636 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19[driver] Have -isysroot warn on nonexistent paths.Chad Rosier
rdar://12282267 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170611 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Rename the 'Attributes' class to 'Attribute'. It's going to represent a ↵Bill Wendling
single attribute in the future. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170500 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Attempt to clarify a vexing-parse diagnostic.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170492 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18CodeGen: Expand creal and cimag into complex field loadsMeador Inge
PR 14529 was opened because neither Clang or LLVM was expanding calls to creal* or cimag* into instructions that just load the respective complex field. After some discussion, it was not considered realistic to do this in LLVM because of the platform specific way complex types are expanded. Thus a way to solve this in Clang was pursued. GCC does a similar expansion. This patch adds the feature to Clang by making the creal* and cimag* functions library builtins and modifying the builtin code generator to look for the new builtin types. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170455 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18Re-commit r170428 changes with Linux style file endings.Guy Benyei
Add OpenCL images as clang builtin types. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170432 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18Revert changes from r170428, as I accidentally changed the line endings of ↵Guy Benyei
these files to Windows style. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170431 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18Add OpenCL images as clang builtin types.Guy Benyei
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170428 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18When warning about a missing prototype because a function declaration is ↵Anders Carlsson
missing 'void', insert a fixit to add the void. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170399 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18Use the correct return type (size_t) for these builtins.Bill Wendling
<rdar://problem/12646344> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170393 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18Add an expected parameter for the size of the destination.Bill Wendling
<rdar://problem/12622659> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170392 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-17Reapply r170344, this time without forgetting to commit the header changes.David Chisnall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170354 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13Dont use/link ARCMT, StaticAnalyzer and Rewriter to clang when the userRoman Divacky
specifies not to. Dont build ASTMatchers with Rewriter disabled and StaticAnalyzer when it's disabled. Without all those three, the clang binary shrinks (x86_64) from ~36MB to ~32MB (unstripped). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170135 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13ubsan: Add -fsanitize=bool and -fsanitize=enum, which check for loads ofRichard Smith
bit-patterns which are not valid values for enumerated or boolean types. These checks are the ubsan analogue of !range metadata. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170108 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12[objc] For the ARC error that is emitted when a synthesized property ↵Argyrios Kyrtzidis
implementation has inconsistent ownership with the backing ivar, point the error location to the ivar. Pointing to the ivar (instead of the @synthesize) is better since this is where a fix is needed. Also provide the location of @synthesize via a note. This also fixes the problem where an auto-synthesized property would emit an error without any location. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170039 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11Use @import rather than @__experimental_modules_import, since theDouglas Gregor
latter is rather a mess to type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169919 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11Extend stat query APIs to explicitly specify if the query is forArgyrios Kyrtzidis
a file or directory, allowing just a stat call if a file descriptor is not needed. Doing just 'stat' is faster than 'open/fstat/close'. This has the effect of cutting down system time for validating the input files of a PCH. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169831 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-09Virtual method overrides can no longer have mismatched calling conventions. ↵Aaron Ballman
This fixes PR14339. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169705 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-09PR14550: If a system header contains a bogus constexpr function definition,Richard Smith
don't mark the function as invalid, since we suppress the error. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169689 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-08Properly compute triviality for explicitly-defaulted or deleted special members.Richard Smith
Remove pre-standard restriction on explicitly-defaulted copy constructors with 'incorrect' parameter types, and instead just make those special members non-trivial as the standard requires. This required making CXXRecordDecl correctly handle classes which have both a trivial and a non-trivial special member of the same kind. This also fixes PR13217 by reimplementing DiagnoseNontrivial in terms of the new triviality computation technology. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169667 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-08Implement C++03 [dcl.init]p5's checking for value-initialization of referencesRichard Smith
properly, rather than faking it up by pretending that a reference member makes the default constructor non-trivial. That leads to rejects-valids when putting such types inside unions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169662 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-07Fix analysis based warnings so that all warnings are emitted when compilingDeLesley Hutchins
with -Werror. Previously, compiling with -Werror would emit only the first warning in a compilation unit, because clang assumes that once an error occurs, further analysis is unlikely to return valid results. However, warnings that have been upgraded to errors should not be treated as "errors" in this sense. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169649 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-07Add file missed from r169574!Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169576 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-06Simplify PDiag's move assignment overload a bit, the self-move check isn't ↵Benjamin Kramer
actually necessary. This just empties out the diag, which is fine. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169542 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-06Add move semantics to PartialDiagnostic, which can be very expensive to copy.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169535 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-05[driver, ms-inline asm] MS-Style inline assembly is controlled by theChad Rosier
-fasm-blocks flag, not the -fms-extensions flag. rdar://12808010 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169422 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-05Reuse an existing diagnostic for tsan/msan needing -pie error.Evgeniy Stepanov
Add a diagnosting for -fsanitize=memory conflicting with other sanitizers. Extend tests. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169380 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-05Simplify slightly by seperating out the responsibility for emission of a caretRichard Smith
diagnostic from the emission of macro backtraces. Incidentally, we now get the displayed source location for a diagnostic and the location for the caret from the same place, rather than computing them separately. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169357 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-05Simplify diagnostic emission. No functionality change intended.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169351 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-05Thread safety analysis: Add a new "beta" warning flag: -Wthread-safety-beta.DeLesley Hutchins
As the analysis improves, it will continue to add new warnings that are potentially disruptive to existing users. From now on, such warnings will first be introduced under the "beta" flag. Such warnings are not turned on by default; their purpose is to allow users to test their code against future planned changes, before those changes are actually made. After a suitable migration period, beta warnings will be folded into the standard -Wthread-safety. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169338 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Sort #include lines for all files under include/...Chandler Carruth
This is a simpler sort, entirely automatic with the help of llvm/utils/sort_includes.py -- no manual edits here. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169238 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-03Add -fsanitize=memory.Evgeniy Stepanov
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169124 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-01Fix a typo in comment.Michael Han
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169078 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30Don't warn if the input size is less than the register size. Also don't warn ifBill Wendling
the output size is greater than the register size. No truncation occurs with those. Reword warning to make it clearer what's the problem is. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169054 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30Rename ModuleBuildPath -> ModuleBuildStack. Thanks, Dmitri!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169045 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30When we're emitting a diagnostic with a source location in an importedDouglas Gregor
module, provide a module import stack similar to what we would get for an include stack, e.g., In module 'DependsOnModule' imported from build-fail-notes.m:4: In module 'Module' imported from DependsOnModule.framework/Headers/DependsOnModule.h:1: Inputs/Module.framework/Headers/Module.h:15:12: note: previous definition is here @interface Module <rdar://problem/12696425> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169042 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-30When an error occurs while building a module on demand, provide "WhileDouglas Gregor
building module 'Foo' imported from..." notes (the same we we provide "In file included from..." notes) in the diagnostic, so that we know how this module got included in the first place. This is part of <rdar://problem/12696425>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169021 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29This patch exposes to Clang users three more sanitizers are experimental ↵Alexey Samsonov
features of ASan: 1) init-order sanitizer: initialization-order checker. Status: usable, but may produce false positives w/o proper blacklisting. 2) use-after-return sanitizer Status: implemented, but heavily understed. Should be optional, as it significanlty slows program down. 3) use-after-scope sanitizer Status: in progress. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168950 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29Reject uses of __int128 on platforms that don't support it. Also move the uglyRichard Smith
'getPointerWidth(0) >= 64' test to be a method on TargetInfo, ready to be properly cleaned up. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168856 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29Fix crash-on-invalid. <rdar://problem/12765391>.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168851 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-28Per C++11 [except.spec]p2, rvalue references are not permitted in exception ↵Richard Smith
specifications. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168824 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-28C++ core issue 1344, PR10618: promote "addition of default argument makes thisRichard Smith
a special member" diagnostic from warning to error, and fix the cases where it produced diagnostics with incorrect wording. We don't support this as an extension, and we ban it even in C++98 mode. This breaks too much (for instance, the ABI-specified calling convention for a type can change if it acquires a copy constructor through the addition of a default argument). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168769 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-27Add -fsanitize=integer for reporting suspicious integer behaviors.Will Dietz
Introduces new sanitizer "unsigned-integer-overflow". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168701 91177308-0d34-0410-b5e6-96231b3b80d8
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