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2013-01-19Reword warning about using a *static* variable within its own initialization.Ted Kremenek
The warning is still under -Wuninitialized (although technically this is defined behavior), but under a subgroup -Wstatic-self-init. This addresses PR 10265. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172878 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18Fix mismatched #endif.Jordan Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172860 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18[ubsan] Add support for -fsanitize-blacklistWill Dietz
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172808 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17Some builtins do not evaluate their arguments. Teach EvaluatedExprVisitor notRichard Smith
to visit them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172769 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17In Objective-C ARC, completely ignore ownership qualifiers on theDouglas Gregor
return type of a function by canonicalizing them away. They are useless anyway, and conflict with our rules for template argument deduction and __strong. Fixes <rdar://problem/12367446>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172768 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17Parsing support for C11's _Noreturn keyword. No semantics yet.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172761 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17Add some semantic checks for OpenCL. Variadic macros, VLAs and bitfields are ↵Joey Gouly
not supported. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172732 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17Implement C++11 semantics for [[noreturn]] attribute. This required splittingRichard Smith
it apart from [[gnu::noreturn]] / __attribute__((noreturn)), since their semantics are not equivalent (for instance, we treat [[gnu::noreturn]] as affecting the function type, whereas [[noreturn]] does not). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172691 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17Add -Wunsequenced (with compatibility alias -Wsequence-point) to warn onRichard Smith
expressions which have undefined behavior due to multiple unsequenced modifications or an unsequenced modification and use of a variable. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172690 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17Implement a fixit for -Wmain-return-typeDmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172684 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-16No longer crashing with an assert when __has_include or __has_include_next ↵Aaron Ballman
is used outside of a preprocessor directive. This fixes PR14837. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172639 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-16First step in implementation of mips16 and nomips16 attributes.Reed Kotler
Waiting for new llvm attribute code for the next step. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172626 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-15When checking availability attributes for consistency between anDouglas Gregor
overriding and overridden method, allow the overridden method to have a narrower contract (introduced earlier, deprecated/obsoleted later) than the overriding method. Fixes <rdar://problem/12992023>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172567 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-15Add -fopenmp -cc1 option and wire it up to define _OPENMP, from Alexey Bataev!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172509 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14Multiprecision subtraction builtins.Michael Gottesman
We lower these into 2x chained usub.with.overflow intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172476 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14Infer "link" lines for top-level frameworks. Essentially, a frameworkDouglas Gregor
will have a shared library with the same name as its framework (and no suffix!) within its .framework directory. Detect this both when inferring the whole top-level framework and when parsing a module map. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172439 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14Implement parsing, AST, (de-)serialization, and placeholder globalDouglas Gregor
metadata for linking against the libraries/frameworks for imported modules. The module map language is extended with a new "link" directive that specifies what library or framework to link against when a module is imported, e.g., link "clangAST" or link framework "MyFramework" Importing the corresponding module (or any of its submodules) will eventually link against the named library/framework. For now, I've added some placeholder global metadata that encodes the imported libraries/frameworks, so that we can test that this information gets through to the IR. The format of the data is still under discussion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172437 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14Accept [[gnu::*]] for all __attribute__((*))s which are:Richard Smith
1) Supported by Clang, and 2) Supported by GCC, and 3) Documented in GCC's manual. g++ allows its C++11-style attributes to appertain only to the entity being declared, and never to a type (even for a type attribute), so we do the same. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172382 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-13Fix LLP64 build.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172357 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-13Added builtins for multiprecision adds.Michael Gottesman
We lower all of these intrinsics into a 2x chained usage of uadd.with.overflow. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172341 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Prune an unused diagnostic, detected after improving the script in r172330Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172331 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Remove unused diagnosticsDmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172326 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Remove useless 'llvm::' qualifier from names like StringRef and others that areDmitri Gribenko
brought into 'clang' namespace by clang/Basic/LLVM.h git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172323 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Add missing includes and forward declarations so that headers don't depend onDmitri Gribenko
other headers included before them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172320 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Provide Decl::getOwningModule(), which determines the (sub)module inDouglas Gregor
which a particular declaration resides. Use this information to customize the "definition of 'blah' must be imported from another module" diagnostic with the module the user actually has to import. Additionally, recover by importing that module, so we don't complain about other names in that module. Still TODO: coming up with decent Fix-Its for these cases, and expand this recovery approach for other name lookup failures. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172290 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Fix -Wunused-comparison for comparisons in arguments to function-like macros.Matt Beaumont-Gay
Previously, -Wunused-comparison ignored comparisons in both macro bodies and macro arguments, but we would still emit a -Wunused-value warning for either. Now we correctly emit -Wunused-comparison for expressions in macro arguments. Also, add isMacroBodyExpansion to SourceManager, to go along with isMacroArgExpansion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172279 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Improve diagnostic per Richard's suggestionFariborz Jahanian
(which may yet change if we move the diagnostic outside case value). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172242 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10In my last patch use InGroup<Switch> (per Dmitri's comment).Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172103 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10Provide a better warning when case value overflows.Fariborz Jahanian
// rdar://11577384 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172102 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10Diagnostics: name all implicit groups used more than once.Jordan Rose
This will be a new style requirement going forwards: a diagnostic can only use the implicit InGroup<DiagGroup<"foo">> syntax if "foo" is not used by any other diagnostics; as soon as it is, it needs an explicit group. This also brings some stray "conversion" diagnostics into the "Value Conversion Issue" category, instead of the more generic "Semantic Issue" category. I consider this an improvement! - warn_impcast_complex_scalar - warn_impcast_float_integer - warn_impcast_float_precision - warn_impcast_integer_precision - warn_impcast_vector_scalar git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172088 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10Enable intel_ocl_bicc for x86_64 target only. Remove fix from 171969 that ↵Guy Benyei
enabled this extension for multiple targets. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172052 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Enable intel_ocl_bicc for x86_64 target. This was missed in r171056.Guy Benyei
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171969 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09put back diagnostics when flexible members are capturedFariborz Jahanian
in lambdas. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171921 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Remove lambda from my last patch.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171915 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08objectiveC blocks: It is impractical to capture Fariborz Jahanian
struct variables with flexiable array members in blocks (and lambdas). Issue error instead of crashing in IRGen. // rdar://12655829 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171912 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Remove on-by-default warning from -Wmost.David Blaikie
-Wint-to-pointer-cast, added to match GCC's warning by the same name, doesn't need to be in any other groups (as it isn't in any groups in GCC either). Found in post-commit review by Ted Kremenek. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171893 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Add support for attribute((mode(unwind_word))).Rafael Espindola
Patch by Nick Lewycky. Fixes pr8703. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171781 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Simplify. No behavior change.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171680 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-04Add the module name to the 'incomplete umbrella header' warning.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171497 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-04Fix up various builtin declaration of objc_msgSend familiesFariborz Jahanian
to match those foung in objc.h an avoid spurious warnings. // rdar://12489098 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171492 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-04Remove -Wmodule-build; it was a dumb idea anyway. <rdar://problem/12957525>Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171478 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-03Fix capitalization of Objective-C in diagnostic.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171440 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-02s/CXX0X/CXX11/g, except for __GNU_EXPERIMENTAL_CXX0X__, and update a few ↵Richard Smith
nearby 'C++0x' comments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171372 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-02s/CPlusPlus0x/CPlusPlus11/gRichard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171367 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-28Improve diagnostic wording for when an implicitly-deleted special memberRichard Smith
function is selected by overload resolution. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171190 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27Implement dcl.link paragraph 5.Rafael Espindola
The language linkage of redeclarations must match. GCC was already reporting an error for this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171139 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-25Produce an actual error before attempting to attach notes to it when bailing outRichard Smith
due to FORCE_CLANG_DIAGNOSTICS_CRASH=1. Also add a test for that env var. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171074 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-25Add intel_ocl_bicc calling convention as a function attribute to clang. The ↵Guy Benyei
calling convention is already implemented in LLVM. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171056 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-22Add back -Wduplicate-enum which I mistakenly removed.Ted Kremenek
This was removed with -Wunique-enum, which is still removed. The corresponding thread on cfe-comments for that warning is here: http://lists.cs.uiuc.edu/pipermail/cfe-dev/2012-September/024224.html If we get specific user feedback for -Wduplicate-enum we can evaluate whether or not to keep it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170974 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-21Tweak Sema::CheckLiteralKind() to also include block literalsTed Kremenek
This simplifies some diagnostic logic in checkUnsafeAssignLiteral(), hopefully making it less error prone. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170945 91177308-0d34-0410-b5e6-96231b3b80d8
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