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2012-07-09objective-c: yank any use of "non-fragile abi" phraseFariborz Jahanian
from diagnostics. // rdar://9657485 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159943 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-09Downgrade the "direct comparison" error for ObjC literals to a warning.Jordan Rose
Chris pointed out that while the comparison is certainly problematic and does not have well-defined behavior, it isn't any worse than some of the other abuses that we merely warn about and doesn't need to make the compilation fail. Revert the release notes change (r159766) now that this is just a new warning. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159939 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-08MIPS: Mark arguments of __builtin_mips_wrdsp / __builtin_mips_rddsp as a ↵Simon Atanasyan
constant expression. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159910 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-07Re-apply r159875 with fixes.Ted Kremenek
- Split pedantic driver flag test into separate test file, and XFAIL on cygwin,mingw32 - Fix bug in tablegen logic where a missing '{' caused errors to be included in -Wpedantic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159892 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-07Revert rr159875, "Implement -Wpedantic and --no-pedantic to complement ↵NAKAMURA Takumi
-Weverything." It broke several builds. I suspect FileCheck might match assertion failure, even if clang/test/Misc/warning-flags.c passed the test. > 0. Program arguments: bin/./clang -### -pedantic -Wpedantic clang/test/Driver/warning-options.cpp git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159886 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-06Implement -Wpedantic and --no-pedantic to complement -Weverything.Ted Kremenek
This patch introduces some magic in tablegen to create a "Pedantic" diagnostic group which automagically includes all warnings that are extensions. This allows a user to suppress specific warnings traditionally under -pedantic used an ordinary warning flag. This also allows users to use #pragma to silence specific -pedantic warnings, or promote them to errors, within blocks of text (just like any other warning). -Wpedantic is NOT an alias for -pedantic. Instead, it provides another way to (a) activate -pedantic warnings and (b) disable them. Where they differ is that -pedantic changes the behavior of the preprocessor slightly, whereas -Wpedantic does not (it just turns on the warnings). The magic in the tablegen diagnostic emitter has to do with computing the minimal set of diagnostic groups and diagnostics that should go into -Wpedantic, as those diagnostics that already members of groups that themselves are (transitively) members of -Wpedantic do not need to be included in the Pedantic group directly. I went back and forth on whether or not to magically generate this group, and the invariant was that we always wanted extension warnings to be included in -Wpedantic "some how", but the bookkeeping would be very onerous to manage by hand. -no-pedantic (and --no-pedantic) is included for completeness, and matches many of the same kind of flags the compiler already supports. It does what it says: cancels out -pedantic. One discrepancy is that if one specifies --no-pedantic and -Weverything or -Wpedantic the pedantic warnings are still enabled (essentially the -W flags win). We can debate the correct behavior here. Along the way, this patch nukes some code in TextDiagnosticPrinter.cpp and CXStoredDiagnostic.cpp that determine whether to include the "-pedantic" flag in the warning output. This is no longer needed, as all extensions now have a -W flag. This patch also significantly reduces the number of warnings not under flags from 229 to 158 (all extension warnings). That's a 31% reduction. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159875 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-06Constify the argument to SourceLocation::getFromPtrEncoding.Jordan Rose
This allows SourceLocations to be stored in generic "data" fields that are typed as "const void *" and are also used to point to const objects. Really we should probably be returning a const pointer from getPtrEncoding as well, but in some places we want to store SourceLocations in the same generic "data" field as proper pointers to /mutable/ objects. Oh well. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159868 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-06objc-arc: warn when assigning retained object toFariborz Jahanian
a 'weak' property just as we do the same for 'weak' variables. // rdar://11814185 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159859 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-06Forgot to rename one use of FPContractModeTyLang Hames
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159796 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-06Add -ffp-contract = { fast | on | off } command line option support.Lang Hames
This flag sets the 'fp-contract' mode, which controls the formation of fused floating point operations. Available modes are: - Fast: Form fused operations anywhere. - On: Form fused operations where allowed by FP_CONTRACT. This is the default mode. - Off: Don't form fused operations (in future this may be relaxed to forming fused operations where it can be proved that the result won't be affected). Currently clang doesn't support the FP_CONTRACT pragma, so the 'On' and 'Off' modes are equivalent. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159794 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-06Implement AST classes for comments, a real parser for Doxygen comments and aDmitri Gribenko
very simple semantic analysis that just builds the AST; minor changes for lexer to pick up source locations I didn't think about before. Comments AST is modelled along the ideas of HTML AST: block and inline content. * Block content is a paragraph or a command that has a paragraph as an argument or verbatim command. * Inline content is placed within some block. Inline content includes plain text, inline commands and HTML as tag soup. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159790 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-04Hoist the logic for selecting the Objective-C dispatch method into the runtimeDavid Chisnall
class, from the target. No functionality change, just less duplicated logic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159710 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-04A few more cleanups for the GNU family of ObjC runtimes.David Chisnall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159708 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-03Rename the GCC Objective-C runtime to gcc from gnu-fragile and the GNUstepDavid Chisnall
runtime to gnustep from gnu. Fix EH for the GCC runtime. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159684 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-03Share ConvertUTF8toWide() between Lex and CodeGen.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159634 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-03Rename -Wself-assign-memvar to -Wself-assign-field to improve local ↵Nico Weber
consistency a bit. (cf -Wunused-private-field and several other existing -field diagnostics.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159633 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-02Documentation cleanup:James Dennett
* Primarily, added \brief to most of include/clang/Basic, instead of prefixing the comments with "DeclaredName - "; * Made some brief summaries significantly briefer; * Fixed up some erroneous uses of \see and \arg; * Fixed up some extraneous backslashes in \code...\endcode blocks; * Fixed up some typos/spelling errors. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159616 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-02Thread safety analysis: fixed incorrect error message at the end of a ↵DeLesley Hutchins
locks_required function. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159607 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-02Add a warning flag for "'extern' variable has an initializer".Matt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159600 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-02Reduce default template instantiation depth to 512; we're blowing outDouglas Gregor
the stack too often with 1024. Fixes <rdar://problem/11678534>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159573 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-02Documentation cleanup: reformatting/fixing up file comments so that they haveJames Dennett
\file and \brief markup and appear in Doxygen's summaries (and eventually at http://clang.llvm.org/doxygen/files.html). Fixed up another couple of minor glitches in the docs at the same time. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159517 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-30Add support for the C11 _Alignof keyword.Jordan Rose
This behaves like the existing GNU __alignof and C++11 alignof keywords; most of the patch is simply adding the third token spelling to various places. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159494 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-30Add a missing argument index, wordsmith a little, and 80(ish) columnsMatt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159478 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-29Fix typos from r159463 and update tests. Added Matt Beaumont-Gay's suggestionRichard Trieu
to improve wording of a diagnostic message. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159473 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-29Use -frewrite-includes for crash reports.David Blaikie
In future changes we should: * use __builtin_trap rather than derefing 'random' volatile pointers. * avoid dumping temporary files into /tmp when running tests, instead preferring a location that is properly cleaned up by lit. Review by Chandler Carruth. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159469 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-29Update the %diff modifer to have an alternate string print when a template treeRichard Trieu
is selected. This will allow more flexibility when converting diagnostics to use template type diffing. Also updated the internal manual and test cases for correctly keeping the bold attribute and for tree printing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159463 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-29Add a fix-it hint note to -Wunique-enum to suggest that the last element getsRichard Trieu
initialized with the next to last element to silence the warning. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159458 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-29objc diagnostic: pass IdentifierInfo* to the diagnostic systemFariborz Jahanian
to produce quotes instead of adding qoute to the test. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159450 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-29X86: add more GATHER intrinsics in ClangManman Ren
Corrected type for index of _mm256_mask_i32gather_pd from 256-bit to 128-bit Corrected types for src|dst|mask of _mm256_mask_i64gather_ps from 256-bit to 128-bit Support the following intrinsics: _mm_mask_i32gather_epi64, _mm256_mask_i32gather_epi64, _mm_mask_i64gather_epi64, _mm256_mask_i64gather_epi64, _mm_mask_i32gather_epi32, _mm256_mask_i32gather_epi32, _mm_mask_i64gather_epi32, _mm256_mask_i64gather_epi32 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159403 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-28Warn on self-assignment to member variables. PR13104.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159394 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-28Only print a semicolon after "no known conversion for Nth argument" if thereMatt Beaumont-Gay
is a following clause. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159369 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-28Now that we use the GCC builtin <-> llvm intrinsic, dead code eliminate the ↵Benjamin Kramer
handwritten emitter. The generated code uncovered an invalid prototype for __builtin_mips_shilo, fix it along the way. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159368 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-28Support MIPS DSP Rev1 intrinsics. Simon Atanasyan
This patch was reviewed in the llvm-commits list by Jim Grosbach. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159366 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-28Add warning flag -Winvalid-pp-token for preprocessing-tokens which haveRichard Smith
undefined behaviour, and move the diagnostic for '' from an Error into an ExtWarn in this group. This is important for some users of the preprocessor, and is necessary for gcc compatibility. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159335 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-27patch to suggest 'static' function should be 'static inline' Fariborz Jahanian
when it appears to be unused and occurs in a header. // rdar://11202617 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159282 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-27From Vassil Vassilev:Axel Naumann
add interface for removing a FileEntry from the cache. Forces a re-read the contents from disk, e.g. because a tool (like cling) wants to pick up a modified file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159256 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-26preprocessing: gcc supports #line 0. So, treat thisFariborz Jahanian
as a gcc supported extension with usual treatment with -pedantic (warn) and -pedantic-errors (error). // rdar://11550996 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159226 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-26X86: add GATHER intrinsics (AVX2) in ClangManman Ren
Support the following intrinsics: _mm_mask_i32gather_pd, _mm256_mask_i32gather_pd, _mm_mask_i64gather_pd _mm256_mask_i64gather_pd, _mm_mask_i32gather_ps, _mm256_mask_i32gather_ps _mm_mask_i64gather_ps, _mm256_mask_i64gather_ps git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159222 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-26Add template type diffing to Clang. This feature will provide a betterRichard Trieu
comparison between two templated types when they both appear in a diagnostic. Type elision will remove indentical template arguments, which can be disabled with -fno-elide-type. Cyan highlighting is applied to the differing types. For more formatting, -fdiagnostic-show-template-tree will output the template type as an indented text tree, with differences appearing inline. Template tree works with or without type elision. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159216 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-26objc: adds diagnostic group to several old objc warnings.Fariborz Jahanian
// rdar://11741435 pr13184 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159213 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-25Unrevert r158887, reverted in r158949, along with a fix for the bug whichRichard Smith
resulted in it being reverted. A test for that bug was added in r158950. Original comment: If an object (such as a std::string) with an appropriate c_str() member function is passed to a variadic function in a position where a format string indicates that c_str()'s return type is desired, provide a note suggesting that the user may have intended to call the c_str() member. Factor the non-POD-vararg checking out of DefaultVariadicArgumentPromotion and move it to SemaChecking in order to facilitate this. Factor the call checking out of function call checking and block call checking, and extend it to cover constructor calls too. Patch by Sam Panzer! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159159 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-23Support the tls_model attribute (PR9788)Hans Wennborg
This adds support for the tls_model attribute. This allows the user to choose a TLS model that is better than what LLVM would select by default. For example, a variable might be declared as: __thread int x __attribute__((tls_model("initial-exec"))); if it will not be used in a shared library that is dlopen'ed. This depends on LLVM r159077. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159078 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-23Support L__FUNCTION__ in microsoft mode, PR11789Nico Weber
Heavily based on a patch from Aaron Wishnick <aaron.s.wishnick@gmail.com>. I'll clean up the duplicated function in CodeGen as a follow-up, later today or tomorrow. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159060 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-22Minor improvements to some C99 variadic-macro-related diagnostics.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159054 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-22Perform typo correction for base class specifiers.Kaelyn Uhrain
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159046 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-22Mark Doxygen warnings DefaultIgnore.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159026 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-22Add a warning about almost-Doxygen trailing comments: //< and /*< ... */Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159001 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-22objective-c: improve diagnostic when collection expression isFariborz Jahanian
not a pointer to a fast-enumerable object. // rdar://11488666 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158998 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-22Documentation cleanup:James Dennett
* Primarily fixed \param commands with names not matching any actual parameters of the documented functions. In many cases this consists just of fixing up the parameter name in the \param to match the code, in some it means deleting obsolete documentation and occasionally it means documenting the parameter that has replaced the older one that was documented, which sometimes means some simple reverse-engineering of the docs from the implementation; * Fixed \param ParamName [out] to the correct format with [out] before the parameter name; * Fixed some \brief summaries. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158980 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-22Documentation cleanup:James Dennett
* Add \brief summaries; * Escaped # characters in Doxygen comments; * Added some \see cross-references. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158975 91177308-0d34-0410-b5e6-96231b3b80d8
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