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2012-04-04Add feature check "cxx_local_type_template_args" describing supportDouglas Gregor
for templates with local template arguments, from Michel Morin! Fixes PR12337. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153983 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09User-defined literals are done.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152396 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08When checking the encoding of an 8-bit string literal, don't just check theRichard Smith
first codepoint! Also, don't reject empty raw string literals for spurious "encoding" issues. Also, don't rely on undefined behavior in ConvertUTF.c. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152344 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-06User-defined literals: reject string and character UDLs in all places where theRichard Smith
grammar requires a string-literal and not a user-defined-string-literal. The two constructs are still represented by the same TokenKind, in order to prevent a combinatorial explosion of different kinds of token. A flag on Token tracks whether a ud-suffix is present, in order to prevent clients from needing to look at the token's spelling. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152098 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-03Add a pile of tests for unrestricted unions, and advertise support for them.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151992 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-01Merge __has_attribute tests. Patch by Jonathan Sauer!Jean-Daniel Dupas
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151819 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-25Initializer lists are now supported.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151458 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-25Accept __has_feature(__feature__) as a synonym for __has_feature(feature) (andRichard Smith
likewise for __has_extension). Patch by Jonathan Sauer! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151445 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-23Clang now supports lambda expressions.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151231 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14Advertize support for constexpr.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150524 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-11Implement warning for non-wide string literals with an unexpected encoding. ↵Eli Friedman
Downgrade error for non-wide character literals with an unexpected encoding to a warning for compatibility with gcc and older versions of clang. <rdar://problem/10837678>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150295 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-08Fixing hex floating literal support so that it handles 0x.2p2 properly.Aaron Ballman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150072 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-07Hex literals without a significand no longer crash the lexer. Fixes bug 7910Aaron Ballman
Patch by Eitan Adler git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149984 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Improve the error message slightly for files that aren't using the expected ↵Eli Friedman
UTF-8 encoding. Patch by Seth Cantrell. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148991 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-18Add and update tests for character literalsSeth Cantrell
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148392 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-16Some improvements to the handling of C11 atomic types:David Chisnall
- Add atomic-to/from-nonatomic cast types - Emit atomic operations for arithmetic on atomic types - Emit non-atomic stores for initialisation of atomic types, but atomic stores and loads for every other store / load - Add a __atomic_init() intrinsic which does a non-atomic store to an _Atomic() type. This is needed for the corresponding C11 stdatomic.h function. - Enables the relevant __has_feature() checks. The feature isn't 100% complete yet, but it's done enough that we want people testing it. Still to do: - Make the arithmetic operations on atomic types (e.g. Atomic(int) foo = 1; foo++;) use the correct LLVM intrinsic if one exists, not a loop with a cmpxchg. - Add a signal fence builtin - Properly set the fenv state in atomic operations on floating point values - Correctly handle things like _Atomic(_Complex double) which are too large for an atomic cmpxchg on some platforms (this requires working out what 'correctly' means in this context) - Fix the many remaining corner cases git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148242 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-04Add __has_feature(modules) to indicate when modules are available (inDouglas Gregor
any language variant), and restrict __has_feature(objc_modules) to mean that we also have the Objective-C @import syntax. I anticipate __has_feature(cxx_modules) and/or __has_feature(c_modules) for when we nail down the module syntax for C/C++. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147548 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-03Add __has_feature(objc_modules)Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147482 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-22In Lexer::getCharAndSizeSlow[NoWarn] if we come up againstArgyrios Kyrtzidis
\<newline><newline> don't consume the second newline. Thanks to David Blaikie for pointing out the crash! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147138 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-21In Lexer::getCharAndSizeSlow[NoWarn] make sure we don't go over the end of ↵Argyrios Kyrtzidis
the buffer when the end of the buffer is immediately after an escaped newline. Fixes http://llvm.org/PR10153. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147091 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-15Modify how the -verify flag works. Currently, the verification string andRichard Trieu
diagnostic message are compared. If either is a substring of the other, then no error is given. This gives rise to an unexpected case: // expect-error{{candidate function has different number of parameters}} will match the following error messages from Clang: candidate function has different number of parameters (expected 1 but has 2) candidate function has different number of parameters It will also match these other error messages: candidate function function has different number of parameters number of parameters This patch will change so that the verification string must be a substring of the diagnostic message before accepting. Also, all the failing tests from this change have been corrected. Some stats from this cleanup: 87 - removed extra spaces around verification strings 70 - wording updates to diagnostics 40 - extra leading or trailing characters (typos, unmatched parens or quotes) 35 - diagnostic level was included (error:, warning:, or note:) 18 - flag name put in the warning (-Wprotocol) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146619 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-03Implement support for the __is_final type trait, to determine whetherDouglas Gregor
a class is marked 'final', from Alberto Ganesh Barbati! Fixes PR11462. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145775 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-22implement __has_feature(address_sanitizer); also use ↵Kostya Serebryany
LangOpts.AddressSanitizer instead of CodeGenOpts.AddressSanitizer git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145054 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-01Tests for UTF-8 encoding in strings in source code. Patch by Seth Cantrell.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143418 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-01Add __has_feature(cxx_raw_string_literals) andDouglas Gregor
__has_feature(cxx_unicode_literals), from Michel Morin! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143412 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-01Add __has_feature(cxx_defaulted_functions) for querying "defaultedDouglas Gregor
functions", from Michel Morin! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143411 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-28Give __STDC_VERSION__ the value 201001L when we're in C1x mode. TheDouglas Gregor
committee hasn't set a value for __STDC_VERSION__ yet, so this is a placeholder. But at least it's > 199901L. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143245 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
2011-10-24Make -fms-compatibility imply -fms-extensions. Fixes PR11204.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142797 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Add c_alignas and cxx_alignas featuresPeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142020 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13Update all tests other than Driver/std.cpp to use -std=c++11 rather thanRichard Smith
-std=c++0x. Patch by Ahmed Charles! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141900 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12We do parse hexfloats in C++11; make it actually work.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141798 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-12Handle Perforce-style conflict markers like normal conflict markers. PerforceRichard Smith
swaps over the <<<< and >>>> markers, and uses shorter markers than traditional tools. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141751 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Fix test: don't use __thread without a target triple.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141719 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Add a -Wc++0x-compat warning for C++11 keywords used as identifiers when inRichard Smith
C++98 mode. Only the first occurrence of each keyword will produce a warning. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141700 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-02Make -fobjc-nonfragile-abi the -cc1 default, since it's theJohn McCall
increasingly prevailing case to the point that new features like ARC don't even support the fragile ABI anymore. This required a little bit of reshuffling with exceptions because a check was assuming that ObjCNonFragileABI was only being set in ObjC mode, and that's actually a bit obnoxious to do. Most, though, it involved a perl script to translate a ton of test cases. Mostly no functionality change for driver users, although there are corner cases with disabling language-specific exceptions that we should handle more correctly now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140957 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-27When parsing a character literal, extract the characters from theDouglas Gregor
buffer as an 'unsigned char', so that integer promotion doesn't sign-extend character values > 127 into oblivion. Fixes <rdar://problem/10188919>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140608 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-06Advertise support for cxx_range_for as an extension in C++98 mode. Patch by ↵Richard Smith
Jean-Daniel Dupas! Also provide a modicum of test coverage for ranged for in C++98. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139149 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-05Speed up BCPL comment lexing by looking aggressively for newlines and then ↵Benjamin Kramer
scannig backwards to see if the newline is escaped. 3% speedup in preprocessing all of clang with -Eonly. Also includes a small testcase for coverage. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139116 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-04Add test case for defaulted copy and move structure validation.Sebastian Redl
Fix bug this uncovered. Address minor comments from Doug. Enable cxx_implicit_moves feature. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139101 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-25Make Lexer::ComputePreamble accept a LangOptions parameter, otherwise it may beArgyrios Kyrtzidis
out-of-sync how a file is compiled. Patch by Matthias Kleine! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138580 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-19Warn about and truncate UCNs that are too big for their character literal type.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138031 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-12Fix a couple raw string literal testsCraig Topper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137422 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-11Add tests for string literal concatenation.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137302 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-11Add support for C++0x raw string literals.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137298 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Add support for C++0x unicode string and character literals, from Craig Topper!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136210 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-22Expose no newline at end of file warning under Wnewline-eof flag.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135822 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-18Remember to add a has_feature macro for __underlying_type now that it isSean Hunt
correctly impelmented git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135401 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-06Change the driver's logic about Objective-C runtimes: abstract out aJohn McCall
structure to hold inferred information, then propagate each invididual bit down to -cc1. Separate the bits of "supports weak" and "has a native ARC runtime"; make the latter a CodeGenOption. The tool chain is still driving this decision, because it's the place that has the required deployment target information on Darwin, but at least it's better-factored now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134453 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-15Automatic Reference Counting.John McCall
Language-design credit goes to a lot of people, but I particularly want to single out Blaine Garst and Patrick Beard for their contributions. Compiler implementation credit goes to Argyrios, Doug, Fariborz, and myself, in no particular order. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133103 91177308-0d34-0410-b5e6-96231b3b80d8
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