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2013-01-21Introduce a fast path for the ASTReader's name lookup within aDouglas Gregor
DeclContext. When the DeclContext is of a kind that can only be defined once and never updated, we limit the search to the module file that conatins the lookup table. Provides a 15% speedup in one modules-heavy source file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173050 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-21AST/VTableBuilder.h: Suppress a warning. [-Wunused-private-field]NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173041 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-21First step towards vftable generation with -cxx-abi microsoft PR13231Timur Iskhodzhanov
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173035 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
2013-01-20Prune unused diagnostics.Benjamin Kramer
Courtesy of utils/find-unused-diagnostics.sh. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172988 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Add top-level Clang flag -f(no-)sanitize-address-zero-base-shadow that makes ↵Alexey Samsonov
AddressSanitizer use bottom of the address space for the shadow memory. On Linux it can be used with -fPIE/-pie to improve performance. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172974 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
2013-01-20Nuke SetUpBuildDumpLog.Sean Silva
Also, it was the only reason that `argc` and `argv` were being passed into createDiagnostics, so remove those parameters and clean up callers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172945 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20convert some more stuff over to use new cursor APIs.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172932 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
2013-01-19[PCH/Modules] Revert r172843, it caused a module to fail building.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172884 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19[analyzer] Suppress warnings coming out of macros defined in sys/queue.hAnna Zaks
Suppress the warning by just not emitting the report. The sink node would get generated, which is fine since we did reach a bad state. Motivation Due to the way code is structured in some of these macros, we do not reason correctly about it and report false positives. Specifically, the following loop reports a use-after-free. Because of the way the code is structured inside of the macro, the analyzer assumes that the list can have cycles, so you end up with use-after-free in the loop, that is safely deleting elements of the list. (The user does not have a way to teach the analyzer about shape of data structures.) SLIST_FOREACH_SAFE(item, &ctx->example_list, example_le, tmpitem) { if (item->index == 3) { // if you remove each time, no complaints assert((&ctx->example_list)->slh_first == item); SLIST_REMOVE(&ctx->example_list, item, example_s, example_le); free(item); } } git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172883 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
2013-01-18Fix mismatched #endif.Jordan Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172860 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
2013-01-18[PCH/Modules] Re-apply r172620 and r172629, now with 100% less infinite loops!Argyrios Kyrtzidis
Makes sure that a deserialized macro is only added to the preprocessor macro definitions only once. Unfortunately I couldn't get a reduced test case. rdar://13016031 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172843 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
2013-01-18Revert Clang r172620 and r172629, which caused a hang when buildingDouglas Gregor
complicated modules (<rdar://problem/13038265>). Unfortunately, this un-fixes <rdar://problem/13016031>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172783 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
2013-01-17We want the dwarf AT_producer for assembly source files to match clang'sKevin Enderby
AT_producer. Which includes clang's version information so we can tell which version of the compiler was used. This is second of the two steps to allow us to do this. The first was a change to llvm-mc with revision 172630 to provide a method to set the AT_producer string. This second step has the clang driver passing the value of getClangFullVersion() via the new flag -dwarf-debug-producer when invoking the integrated assembler on assembly source files. Then using the new setDwarfDebugProducer() method to set the AT_producer string. rdar://12888242 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172758 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
2013-01-17Revert most of r172140.Nico Weber
r172140 changed the formatter to produce "-(id) foo" instead of "- (id)foo" in google style, with a link to http://google-styleguide.googlecode.com/svn/trunk/objcguide.xml#Method_Declarations_and_Definitions as reference. But now that I look at that link again, it seems I didn't read it very carefully the first time round. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172703 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
2013-01-17Implement 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
2013-01-17Fix a typo introduced in r172665.Matt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172682 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-16[objcmt] Rewrite a NSDictionary dictionaryWithObjects:forKeys: to a ↵Argyrios Kyrtzidis
dictionary literal if we can see the elements of the arrays. for example: NSDictionary *dict = [NSDictionary dictionaryWithObjects:[NSArray arrayWithObjects:@"1", @"2", nil] forKeys:[NSArray arrayWithObjects:@"A", @"B", nil]]; --> NSDictionary *dict = @{ @"A" : @"1", @"B" : @"2" }; rdar://12428166 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172679 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-16Rework the traversal of Objective-C categories and extensions toDouglas Gregor
consider (sub)module visibility. The bulk of this change replaces myriad hand-rolled loops over the linked list of Objective-C categories/extensions attached to an interface declaration with loops using one of the four new category iterator kinds: visible_categories_iterator: Iterates over all visible categories and extensions, hiding any that have their "hidden" bit set. This is by far the most commonly used iterator. known_categories_iterator: Iterates over all categories and extensions, ignoring the "hidden" bit. This tends to be used for redeclaration-like traversals. visible_extensions_iterator: Iterates over all visible extensions, hiding any that have their "hidden" bit set. known_extensions_iterator: Iterates over all extensions, whether they are visible to normal name lookup or not. The effect of this change is that any uses of the visible_ iterators will respect module-import visibility. See the new tests for examples. Note that the old accessors for categories and extensions are gone; there are *Raw() forms for some of them, for those (few) areas of the compiler that have to manipulate the linked list of categories directly. This is generally discouraged. Part two of <rdar://problem/10634711>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172665 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
2013-01-16[PCH/Modules] Change how macro [re]definitions are de/serialized.Argyrios Kyrtzidis
Previously we would serialize the macro redefinitions as a list, part of the identifier, and try to chain them together across modules individually without having the info that they were already chained at definition time. Change this by serializing the macro redefinition chain and then try to synthesize the chain parts across modules. This allows us to correctly pinpoint when 2 different definitions are ambiguous because they came from unrelated modules. Fixes bogus "ambiguous expansion of macro" warning when a macro in a PCH is redefined without undef'ing it first. rdar://13016031 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172620 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-16Add option to avoid "bin-packing" of parameters.Daniel Jasper
"Bin-packing" here means allowing multiple parameters on one line, if a function call/declaration is spread over multiple lines. This is required by the Chromium style guide and probably desired for the Google style guide. Not making changes to LLVM style as I don't have enough data. With this enabled, we format stuff like: aaaaaaaaaaaaaaa(aaaaaaaaaa, aaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaa).aaaaaaaaaaaaaaaaaa(); git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172617 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-16[analyzer] Refactor: parameter rename.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172595 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-16Add -fmodules-autolink/-fno-modules-autolink (defaults to on) so thatDouglas Gregor
users can explicitly enable/disable modules autolinking. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172592 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
2013-01-15[driver] Warnings for warning options are handled by the frontend. The ↵Chad Rosier
driver needs to process the warning options to setup diagnostic state, but should not be emitting warnings as these would be rudndant with what the frontend emits. rdar://13001556 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172497 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14Refactor to call ActOnFinishFullExpr on every full expression. TeachRichard Smith
ActOnFinishFullExpr that some of its checks only apply to discarded-value expressions. This adds missing checks for unexpanded variadic template parameter packs to a handful of constructs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172485 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
2013-01-14[analyzer] Add ProgramStatePartialTrait<const void *>.Jordan Rose
This should fix cast-away-const warnings reported by David Greene. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172446 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14[analyzer] Fix cast-away-const warning by using const_cast.Jordan Rose
Patch by David Greene, modified by me. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172445 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
2013-01-14Make single-line if statements optional.Daniel Jasper
Now, "if (a) return;" is only allowed, if this option is set. Also add a Chromium style which is currently identical to Google style except for this option. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172431 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14Custom DiagnosticConsumer parameter of reformat() + silence diagnostics in ↵Alexander Kornienko
unit tests. Summary: Added tests for clang-format diagnostics. Added DiagnosticConsumer argument to clang::format::reformat(). Reviewers: klimek, djasper Reviewed By: djasper CC: cfe-commits, thakis, rafael.espindola Differential Revision: http://llvm-reviews.chandlerc.com/D290 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172399 91177308-0d34-0410-b5e6-96231b3b80d8
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