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2013-01-26Fix mismatch between pointer and pointee type when diagnosing an incorrectRichard Smith
object argument type for a member call. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173554 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-26Remove function that is newly dead as of r173538.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173550 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-26Revert r172285 (suppressing a 'redundant' -Wc++98-compat warning) and add aRichard Smith
testcase for a situation it caused us to miss. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173540 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-26Preserve Sema::UndefinedInternals across PCH boundaries. FixesNick Lewycky
-Wundefined-internal warnings with PCH. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173538 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-25patch for PR9027 and // rdar://11861085Fariborz Jahanian
Title: [PR9027] volatile struct bug: member is not loaded at -O; This is caused by last flag passed to @llvm.memcpy being false, not honoring that aggregate has at least one 'volatile' data member (even though aggregate itself has not been qualified as 'volatile'. As a result, optimization optimizes away the memcpy altogether. Patch review by John MaCall (I still need to fix up a test though). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173535 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-25The standard ARM C++ ABI dictates that inline functions areJohn McCall
never key functions. We did not implement that rule for the iOS ABI, which was driven by what was implemented in gcc-4.2. However, implement it now for other ARM-based platforms. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173515 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-25First pass at abstracting out a class for the target C++ ABI.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173514 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-25Silence unintended fallthrough diagnostic on a case label preceded with a ↵Alexander Kornienko
normal label. Summary: It's unlikely that a fallthrough is unintended in the following code: switch (n) { ... label: case 1: ... goto label; ... } Reviewers: rsmith, doug.gregor Reviewed By: doug.gregor CC: cfe-commits Differential Revision: http://llvm-reviews.chandlerc.com/D329 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173486 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-25Don't suggest to insert [[clang::fallthrough]] before empty cases. Fix for ↵Alexander Kornienko
multiple case labels. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173458 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-25Sync 'in class initialization of static const double' extension up with GCC,Richard Smith
and split it out of -Wgnu into its own warning flag. * In C++11, this is now a hard error (GCC has no extension here in C++11 mode). The error can be disabled with -Wno-static-float-init, and has a fixit to add 'constexpr'. * In C++98, this is still an ExtWarn, but is now controlled by -Wstatic-float-init as well as -Wgnu. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173414 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-25Clean up: since we have FunctionDecl::IsInline, make it store the right valueRichard Smith
for template instantiations, and use it to simplify the implementation of FunctionDecl::isInlined(). This incidentally changes the result of isInlined on a declared-but-not-defined non-inline member function from true to false. This is sort of a bug fix, but currently isInlined is only called on function definitions, so it has no visible effects. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173397 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-24Patch to check for integer overflow. It has beenFariborz Jahanian
commented on and approved by Richard Smith. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173377 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-24[ms-inline asm] Add an error when trying to compile MS-style inline assemblyChad Rosier
for an unsupported architecture. rdar://13063988 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173364 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-24PR14922: when printing an attribute, use the real syntax of the attribute ↵Michael Han
(GNU, C++11, MS Declspec) instead of hardcoded GNU syntax. Introduce a spelling index to Attr class, which is an index into the attribute spelling list of an attribute defined in Attr.td. This index will determine the actual spelling used by an attribute, as it incorporates both the syntax and naming of the attribute. When constructing an attribute AST node, the spelling index is computed based on attribute kind, scope (if it's a C++11 attribute), and name, then passed to Attr that will use the index to print itself. Thanks to Richard Smith for the idea and review. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173358 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-24Start checking nonnull (as well as format and argument_with_type_tag) onNick Lewycky
overloaded binary operators. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173315 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-24Fix some wonky formatting, remove spurious emacs major mode marker. NoNick Lewycky
functionality change! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173314 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-23Micro cleanup: use an array of const char, rather than an array of char, as theRichard Smith
type of the string literal implicitly used for a raw user-defined literal call. No test; this has no semantic impact. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173309 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-23Implement -Wvla correctlyDmitri Gribenko
GCC implements -Wvla as "warn on every VLA" (this is useful to find every VLA, for example, if they are forbidden by coding guidelines). Currently Clang implements -Wvla as "warn on VLA when it is an extension". The attached patch makes our behavior match GCC. The existing vla extwarn is moved under -Wvla-extension and is still included into -Wgnu. This fixes PR5953. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173286 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-23Use 'const Decl *' throughout code completion in SemaDmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173277 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-23Add a new LangOpt NativeHalfType. This option allows for native half/fp16Joey Gouly
operations (as opposed to storage only half/fp16). Also add some semantic checks for OpenCL half types. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173254 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-23Make __attribute__((nonnull)) use the general expression evaluator to search forNick Lewycky
nulls instead of limiting itself to the language-defined "null pointer constant". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173227 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-22Small code change to improve performanceFariborz Jahanian
in my last patch, suggested by Argyrios. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173182 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-22objectiveC (take two): don't warn when in -Wselector mode andFariborz Jahanian
an unimplemented selector is consumed by "respondsToSelector:". // rdar://12938616 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173179 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-21objectiveC: don't warn when in -Wselector mode andFariborz Jahanian
an unimplemented selector is consumed by "respondsToSelector:". // rdar://12938616 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173097 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-21Eliminate Sema::CompareProperties(), which was walking over a pile ofDouglas Gregor
lexical declarations looking for properties when we could more efficiently check for property mismatches at property declaration time. Good for ~1% of -fsyntax-only time when most of the properties we're checking against come from an AST file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173079 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-21Eliminate the oddly-named Sema::ComparePropertiesInBaseAndSuper, whichDouglas Gregor
did a redundant traversal of the lexical declarations in the superclass. Instead, when we declare a new property, look into the superclass to see whether we're redeclaring the property. Goot for 1% of -fsyntax-only time on Cocoa.h and a little less than 3% on my modules test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173073 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-21Replace some unnecessary O(N^2) lookups for properties withDouglas Gregor
DeclContext lookups. The performance win is negligible in my tests, but it's the Right Thing To Do (TM). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173068 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-21Add a fixit for _Noreturn main,Dmitri Gribenko
add tests for fixits removing static and inline from main git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173024 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Implement OpenCL event_t as Clang builtin type, including event_t related ↵Guy Benyei
OpenCL restrictions (OpenCL 1.2 spec 6.9) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172973 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Fixed trailing whitespace.Michael Gottesman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172939 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19Reapply r172878 with test case.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172888 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19Whitespace.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172881 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19Revert r172878, "Reword warning about using a *static* variable within its ↵NAKAMURA Takumi
own initialization." It broke, at least, linux, msvc and mingw bots. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172879 91177308-0d34-0410-b5e6-96231b3b80d8
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
2013-01-18Remove windows line endings.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172865 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18Once we've collected the template arguments for aDouglas Gregor
partially-substituted parameter pack in a template, forget about the partially-substituted parameter pack: it is now completed. Fixes <rdar://problem/12176336>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172859 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18When checking the parameter types of an Objective-C method, don'tDouglas Gregor
decay the parameter type immediately; let CheckParameter() do its job. Fixes <rdar://problem/12071218>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172780 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17One can override an Objective-C ARC ownership qualifier that came fromDouglas Gregor
a template parameter; make that also include one that came from 'auto'. Fixes <rdar://problem/12078752>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172770 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
2013-01-17Defer checking for unsequenced operations on the RHS of && and || in order toRichard Smith
reduce stack usage and hopefully bring back the linux x86_64 buildbot. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172765 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
2013-01-17-Wunsequenced: if the LHS of an &&, || or ?: is not constant, check forRichard Smith
unsequenced operations in the RHS. We don't compare the RHS with the rest of the expression yet; such checks will need care to avoid diagnosing unsequenced operations which are both in conditionally-evaluated subexpressions which actually can't occur together, such as in '(b && ++x) + (!b && ++x)'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172760 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17[ms-inline asm] Extend the Sema interface to get the size and length of aChad Rosier
VarDecl. Part of rdar://12576868 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172742 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
2013-01-17Improve -Wreorder to handle cases of anonymous class member orderingDavid Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172707 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17ArrayRef-ize some ctor initializer related APIsDavid Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172701 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17Remove some unnecessary castsDavid Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172700 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17Suppress all -Wunused-value warnings from macro body expansions.Matt Beaumont-Gay
This is inspired by a number of false positives in real code, including PR14968. I've added test cases reduced from these false positives to test/Sema/unused-expr.c, as well as corresponding test cases that pass the offending expressions as arguments to a no-op macro to ensure that we do warn there. This also removes my previous tweak from r166522/r166534, so that we warn on unused cast expressions in macro arguments. There were several test cases that were using -Wunused-value to test general diagnostic emission features; I changed those to use other warnings or warn on a macro argument expression. I stared at the test case for PR14399 for a while with Richard Smith and we believe the new test case exercises the same codepaths as before. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172696 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17Attempt to work around bug in older GCCs to fix buildbot.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172693 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
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