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2012-05-02Revert most of r154844, which was disabled in r155975. Keep around theRichard Smith
refactorings in that revision, and some of the subsequent bugfixes, which seem to be relevant even without delayed exception specification parsing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156031 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Thread safety analysis: additional support for smart pointers in lock ↵DeLesley Hutchins
expressions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156030 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Walk the decls looking for the last one that has an attribute. We do have to ↵Rafael Espindola
walk them, otherwise we cannot produce an error for both struct HIDDEN test4; // canonical struct test4; struct DEFAULT test4; and struct test5; // canonical struct HIDDEN test5; struct DEFAULT test5; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156016 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Thread Safety Analysis: fixed attribute handling for lock_returned attribute.DeLesley Hutchins
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156005 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Modern objective-c translation: Fixing couple of bugsFariborz Jahanian
related to laying out ivar structs and accessing non-fragile-ivar in more compilated cases. // rdar://11323187 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156004 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Replace the StringSwitch in AttributeList::getKind() with aDouglas Gregor
TableGen-generated StringMatcher, for a 1.2% speedup in -fparse-only time in <rdar://problem/11004361>. Thanks to Benjamin for pointing me at StringMatcher! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156003 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Introduce the notion of 'ignored' attributes, so that all attributesDouglas Gregor
we accept are not modeled somehow via Attr.td. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155998 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Introduce the notion of an attribute that has no direct representationDouglas Gregor
as an AST node, and fold a number of such attributes into Attr.td. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155995 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Implement the alternate spellings of attributes aligned (as "align")Douglas Gregor
and const (as "__const") using tblgen, rather than explicitly hacking them in. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155991 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Driver: Turn the default value for -fmath-errno into a proper target hook ↵Benjamin Kramer
and disable it by default on more platforms. For now -fno-math-errno is the default on BSD-derived platforms (Darwin, DragonFlyBSD, FreeBSD, NetBSD, OpenBSD). If the default is not right for your platform, please yell. I only verified the result with the default compilers on Darwin and FreeBSD. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155990 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Revert my optimization to AttributeList::getKind() in r155987;Douglas Gregor
Benjamin has suggested a better approach. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155989 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Replace a ConsumeAnyToken() call with ConsumeToken() when we knowDouglas Gregor
we're looking at a normal token. Tiny positive impact -fsyntax-only time for <rdar://problem/11004361>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155988 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Replace the StringSwitch in AttributeList::getKind(constDouglas Gregor
IdentifierInfo *) with a static StringMap, improving -fsyntax-only performance by 1% for the example in <rdar://problem/11004361>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155987 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Fix forwarding of -fpack-struct from driver to CC1, and add a test.James Molloy
-fpack-struct's handling has changed in CC1 (one of only two flags that needed changing) because the driver treats "-fpack-struct" as a boolean flag, and CC1 (did) treat it as an option with a separated value. This change causes -fpack-struct=X to be forwarded correctly to -fpack-struct=X instead of erroneously to "-fpack-struct X" git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155981 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Fix cmake. Remaining two ClangCC1Options deps.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155977 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Disable our non-standard delayed parsing of exception specifications. DelayingRichard Smith
the parsing of such things appears to be a conforming extension, but it breaks libstdc++4.7's std::pair. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155975 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Speculatively fix windows cmake builders.Andrew Trick
Really just a wild stab in the dark. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155974 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Refine analyzer diagnostics by adding an expression "cone-of-influence" to ↵Ted Kremenek
reverse track interesting values through interesting expressions. This allows us to map from interesting values in a caller to interesting values in a caller, thus recovering some precision in diagnostics lost from IPA. Fixes <rdar://problem/11327497> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155971 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02[analyzer] RetainRelease: Self assignment should not suppress a leakAnna Zaks
warning. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155966 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Try harder to recognize hidden tag type names in potential declarations insteadKaelyn Uhrain
of giving unhelpful errors about undeclared identifers and missing semicolons. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155965 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02[analyzer] Fix an assertion failure triggered by the analyzer buildbot.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155964 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02[analyzer] Fix the 'ptr = ptr' false negative in the Malloc checker.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155963 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Eliminate Sema::CompareMethodParamsInBaseAndSuper() entirely, byDouglas Gregor
folding its one check into the normal path for checking overridden Objective-C methods. Good for another 3.6% speedup on the test case in <rdar://problem/11004361>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155961 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01The semantic checking that verifies whether an Objective-C methodDouglas Gregor
declared in a subclass has consistent parameter types with a method having the same selector in a superclass performs a significant number of lookups into the class hierarchy. In the example in <rdar://problem/11004361>, we spend 4.7% of -fsyntax-only time in these lookups. Optimize away most of the calls to this routine (Sema::CompareMethodParamsInBaseAndSuper) by first checking whether we have ever seen *any* method with that selector (using the global selector table). Since most selectors are unique, we can avoid the cost of this name lookup in many cases, for a 3.3% speedup. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155958 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Add a missing RequireCompleteType call when synthesizing properties. ↵Eli Friedman
<rdar://problem/11333367>. While I'm here, fix source locations for other diagnostics related to property synthesis. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155953 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Utilize getLocStart()/getLocEnd() on my recent change.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155952 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Teach SValBuilder to handle casts of symbolic pointer values to an integer ↵Ted Kremenek
twice. Fixes <rdar://problem/11212866>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155950 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Clean up changes suggested by Douglas Gregor:Patrick Beard
BuildObjCNumericLiteral() and BuildObjCBoxedExpr() now both using PerformCopyInitialization() rather than PerformImplicitConversion(), which suppresses errors. In BuildObjCBoxedExpr(): no longer calling .getCanonicalType(), ValueType->getAs() will remove the minimal amount of sugar. Using ValueType->isBuiltinType() instead of isa<BuiltinType>(ValueType). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155949 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01[analyzer] Construct a SymExpr even when the constraint solver cannotAnna Zaks
reason about the expression. This essentially keeps more history about how symbolic values were constructed. As an optimization, previous to this commit, we only kept the history if one of the symbols was tainted, but it's valuable keep the history around for other purposes as well: it allows us to avoid constructing conjured symbols. Specifically, we need to identify the value of ptr as ElementRegion (result of pointer arithmetic) in the following code. However, before this commit '(2-x)' evaluated to Unknown value, and as the result, 'p + (2-x)' evaluated to Unknown value as well. int *p = malloc(sizeof(int)); ptr = p + (2-x); This change brings 2% slowdown on sqlite. Fixes radar://11329382. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155944 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Extend the error about incompatible visibility attributes in differentRafael Espindola
decls to work on function templates specializations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155943 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Workaround a miscompile in 483.xalancbmk while we figure it out.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155938 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01During block layout, after padding up to the max field alignment,John McCall
the alignment might actually exceed the max field alignment; don't assert in this case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155937 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01In C++11 mode, implement the C++11 semantics forDouglas Gregor
[basic.lookup.classref]p1 and p4, which concerns name lookup for nested-name-specifiers and template names, respectively, in a member access expression. C++98/03 forces us to look both in the scope of the object and in the current scope, then compare the results. C++11 just takes the result from the scope of the object, if something is found. Fixes <rdar://problem/11328502>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155935 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Spacing.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155931 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Implement simplify_type traits for redecl_iterator.David Blaikie
Based on Chandler Carruth's feedback on r155869. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155929 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Remove variables made dead by r155923David Blaikie
This makes Clang's build warning free again. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155928 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Get rid of storelv4si builtin as it can be expressed directly. This is generalChad Rosier
goodness because it provides opportunites to cleanup things. For example, uint64_t t1(__m128i vA) { uint64_t Alo; _mm_storel_epi64((__m128i*)&Alo, vA); return Alo; } was generating movq %xmm0, -8(%rbp) movq -8(%rbp), %rax and now generates movd %xmm0, %rax rdar://11282581 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155924 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Remove dead code found by static analyzer.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155923 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Push variable declaration into nested scope (the only place where it is ↵Ted Kremenek
used). Found by static analyzer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155922 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01modern objective-c translation of private ivars.Fariborz Jahanian
// rdar://11351299 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155921 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Unify Options.td and CC1Options.td, in a first step towards unifying the ↵James Molloy
serialization logic in Frontend and Driver. Reviewed by Eric, Doug and Chandler, and here: http://llvm.org/reviews/r/7/ git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155916 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Make some helper functions static.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155914 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Add support for laying out vtordisps according to our currentJohn McCall
working knowledge of the Microsoft ABI. Based on a patch by Dmitry Sokolov. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155905 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Enable AVX on AMD Bulldozer processors.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155900 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Abstract the emission of global destructors into ABI-specific codeJohn McCall
and only consider using __cxa_atexit in the Itanium logic. The default logic is to use atexit(). Emit "guarded" initializers in Microsoft mode unconditionally. This is definitely not correct, but it's closer to correct than just not emitting the initializer. Based on a patch by Timur Iskhodzhanov! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155894 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01PR12710 - broken default argument handling for templates.David Blaikie
I broke this in r155838 by not actually instantiating non-dependent default arg expressions. The motivation for that change was to avoid producing duplicate conversion warnings for such default args (we produce them once when we parse the template - there's no need to produce them at each instantiation) but without actually instantiating the default arg, things break in weird ways. Technically, I think we could still get the right diagnostic experience without the bugs if we instantiated the non-dependent args (for non-dependent params only) immediately, rather than lazily. But I'm not sure if such a refactoring/ change would be desirable so here's the conservative fix for now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155893 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Teach RetainCountchecker about IORegistryEntrySearchCFProperty returning ↵Ted Kremenek
retained objects. I know there is an SDK enhancement request for this to have the cf_returns_retained annotation, so this is just a stop gap. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155887 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Refactor the C++ ABI code a little bit to take advantage ofJohn McCall
what I'm going to treat as basically universal properties of array-cookie code. Implement MS array cookies on top of that. Based on a patch by Timur Iskhodzhanov! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155886 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Fix use of uninitialized variable caught by GCC's -Wmaybe-uninitialized.David Blaikie
Review by Doug Gregor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155880 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01When mangling a synthetic function declaration, we might not haveJohn McCall
type-source information for its parameters. Don't crash when mangling them in the MS C++ ABI. Patch by Timur Iskhodzhanov! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155879 91177308-0d34-0410-b5e6-96231b3b80d8
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