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2012-11-16[driver] Add the missing TY_PP_ObjCXX_Alias case to the isCXX function.Chad Rosier
This was causing different behavior when using -x objective-c++-cpp-output as compared to -x objc++-cpp-output. Specifically, the driver was not adding the -fcxx-exceptions flag in the latter case. rdar://12680312 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168212 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16StmtDumper: remove incomplete support for limiting the maximum dump depth.Dmitri Gribenko
There are better ways of limiting the amount of information if there is a need for that. Patch by Philip Craig. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168206 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16Fix partial-match-bind-behavior with forEachDescendant() matchers.Daniel Jasper
The problem is that a partial match of an (explicit or implicit) allOf matcher binds results, i.e. recordDecl(decl().bind("x"), hasName("A")) can very well bind a record that is not named "A". With this fix, the common cases of stumbling over this bug are fixed by the BoundNodesMap overwriting the results of a partial match. An error can still be created with a weird combination of anyOf and allOf (see inactive test). We need to decide whether this is worth fixing, as the fix will have performance impact. Review: http://llvm-reviews.chandlerc.com/D124 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168177 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16Make libASTMatchers link its dependencies. libRewriteFrontend depends on ↵Benjamin Kramer
libRewriteCore. LLVM_USED_LIBS does nothing here. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168172 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16UBSan: enable proper linking with UBsan runtime on Darwin. Turn on building ↵Alexey Samsonov
ubsan on OS X in 'make' build system. Patch by Jean-Daniel Dupas. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168168 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16Store this Decl* as a Decl* instead of a uintptr_t. No functionality change.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168145 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16Since CreateTargetInfo is taking ownership of the target options, passDouglas Gregor
it as a pointer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168136 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16[libclang] When caching code-completion results, pass the ↵Argyrios Kyrtzidis
CachedCompletionAllocator to the CodeCompletionTUInfo that is going to be used to get the results. Previously we would use ASTUnit's CodeCompletionTUInfo which has its own allocator that will go away when we reparse. That could result in a use-after-free bug when getting the parent context name from a CodeCompletionString. Addresses rdar://12568377. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168133 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16CPP Output: Do not emit an enter file marker for the main file.Daniel Dunbar
- This diverges from gcc, and confuses tools (like dtrace) which track # line markers as a way to determine which content is in the context of the main file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168128 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16Take into account the zero sign bit for positive numbers when computing the bitRichard Trieu
width of an enum with negative values in IntRange. Include a test for -Wtautological-constant-out-of-range-compare where this had manifested. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168126 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16Fix PR14321, a crash when Clang is built with GCC 4.7 at -O1 or greater.Matt Beaumont-Gay
GCC 4.7 reuses stack slots fairly aggressively, which exposes more temporary lifetime bugs. No new test, this was caught by the existing CodeGenCXX/mangle-ms-templates.cpp. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168124 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16A step towards sorting out handling of triviality of special members in C++11.Richard Smith
Separate out the notions of 'has a trivial special member' and 'has a non-trivial special member', and use them appropriately. These are not opposites of one another (there might be no special member, or in C++11 there might be a trivial one and a non-trivial one). The CXXRecordDecl predicates continue to produce incorrect results, but do so in fewer cases now, and they document the cases where they might be wrong. No functionality changes are intended here (they will come when the predicates start producing the right answers...). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168119 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Make sure CodeGenTypes correctly reconverts function types. Fixes PR14355, ↵Eli Friedman
a crash in IR generation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168112 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15PR9903: Recover from a member functon declared with the 'typedef' specifier byRichard Smith
dropping the specifier, just like we do for non-member functions and function templates declared 'typedef'. Patch by Brian Brooks! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168108 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15[analyzer] Fix a use-after-free introduced in r168019.Jordan Rose
In code like this: void foo() { bar(); baz(); } ...the location for the call to 'bar()' was being used as a backup location for the call to 'baz()'. This is fine unless the call to 'bar()' is deemed uninteresting and that part of the path deleted. (This looks like a logic error as well, but in practice the only way 'baz()' could have an invalid location is if the entire body of 'foo()' is synthesized, meaning the call to 'bar()' will be using the location of the call to 'foo()' anyway. Nevertheless, the new version better matches the intent of the code.) Found by Matt Beaumont-Gay using ASan. Thanks, Matt! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168080 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15If an excluded header does not exist, just ignore itDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168077 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15[analyzer] Report leaks at the closing brace of a function body.Jordan Rose
This fixes a few cases where we'd emit path notes like this: +---+ 1| v p = malloc(len); ^ |2 +---+ In general this should make path notes more consistent and more correct, especially in cases where the leak happens on the false branch of an if that jumps directly to the end of the function. There are a couple places where the leak is reported farther away from the cause; these are usually cases where there are several levels of nested braces before the end of the function. This still matches our current behavior for when there /is/ a statement after all the braces, though. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168070 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15[analyzer] StreamChecker: Remove now-unnecessary check::EndPath callback.Jordan Rose
Also, don't bother to stop tracking symbols in the return value, either. They are now properly considered live during checkDeadSymbols. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168069 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15[analyzer] MacOSKeychainAPIChecker: Remove now-unnecessary check::EndPath.Jordan Rose
Also, don't bother to stop tracking symbols in the return value, either. They are now properly considered live during checkDeadSymbols. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168068 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15[analyzer] MallocChecker: Remove now-unnecessary check::EndPath callback.Jordan Rose
Also, don't bother to stop tracking symbols in the return value, either. They are now properly considered live during checkDeadSymbols. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168067 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15[analyzer] Mark symbol values as dead in the environment.Jordan Rose
This allows us to properly remove dead bindings at the end of the top-level stack frame, using the ReturnStmt, if there is one, to keep the return value live. This in turn removes the need for a check::EndPath callback in leak checkers. This does cause some changes in the path notes for leak checkers. Previously, a leak would be reported at the location of the closing brace in a function. Now, it gets reported at the last statement. This matches the way leaks are currently reported for inlined functions, but is less than ideal for both. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168066 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15block extended signatur option. Change previous optionFariborz Jahanian
to a cc1 -fencode-extended-block-signature and pass it to cc1 and recognize this option to produce extended block type signature. // rdar://12109031 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168063 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15[modules] Use a memory buffer directly as input for the module includes,Argyrios Kyrtzidis
instead of messing with virtual files. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168062 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15[modules] Setup the import location of a module file and use itArgyrios Kyrtzidis
as the include location of the main file of an imported module. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168061 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Simplify code. No functionality change.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168047 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Do not cache a pointer to ExprEvalContexts.back().Benjamin Kramer
It may become a dangling pointer if the underlying SmallVector reallocates. Sadly the testcase is really large and doesn't reduce well because of SmallVector's reallocation patterns. Fixes PR14336. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168045 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Use empty parens for empty function parameter list instead of '(void)'.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168041 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Teach the uninitialized field warning about anonymous structs and union members.Nick Lewycky
Fixes PR14073! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168031 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Make -ffp-contract a codegen option, rather than a laguage option. This makesLang Hames
more sense anyway - it determines how expressions are codegen'd. It also ensures that -ffp-contract=fast has the intended effect when compiling LLVM IR. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168027 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Revert r167567, restoring the ability of clang to run gcc in cases where itNick Lewycky
can't handle the input file type. This resulted in PR14338. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168024 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Fix an off-by-one error by switching < to <= in ↵Richard Trieu
-Wtautological-constant-out-of-range-compare and added test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168023 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Do not use data recursion in ASTMatchFinder.Daniel Jasper
The matchers rely on the complete AST being traversed as shown by the new test cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168022 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15[analyzer] Make sure calls in synthesized functions have valid path locations.Jordan Rose
We do this by using the "most recent" good location: if a synthesized function 'A' calls another function 'B', the path notes for the call to 'B' will be placed at the same location as the path note for calling 'A'. Similarly, the call to 'A' will have a note saying "Entered call from...", and now we just don't emit that (since the user doesn't have a body to look at anyway). Previously, we were doing this for the "Calling..." notes, but not for the "Entered call from..." or "Returning to caller". This caused a crash when the path entered and then exiting a call within a synthesized body. <rdar://problem/12657843> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168019 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Fix a trivial bool-related bug I spotted while skimming David Fang'sEli Friedman
current list of powerpc-darwin8 failures. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168016 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Per [basic.lookup.classref]p3, in an expression of the form p->~type-name, theRichard Smith
type-name is looked up in the context of the complete postfix-expression. Don't forget to pass the scope into this lookup when the type-name is a template-id; it might name an alias template which can't be found within the class itself. Bug spotted by Johannes Schaub on #llvm. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168011 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Fix DiagnoseBitwisePrecedence so it doesn't cast "-1" to the typeEli Friedman
BinaryOperator::Opcode. This is bad form, and the behavior of the static_cast in this case is unspecified according to the standard. Fixes a warning that showed up from r167992 on self-host. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168010 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Make template diffing handle integral expressions of various widths correctly.Eli Friedman
PR14342. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168005 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Add -cc1 option -fno-diagnostics-use-presumed-location, a handy mode forRichard Smith
working with preprocessed testcases. This causes source locations in diagnostics to point at the spelling location instead of the presumed location, while still keeping the semantic effects of the line directives (entering and leaving system-header mode, primarily). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168004 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14objective-C blocks: under cc1 flag -encode-extended-block-signature,Fariborz Jahanian
generate expanded signature encoding to include types as we already do this for protocol method lists. // rdar://12109031 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167997 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Improve -Wtautological-constant-out-of-range-compare by taking into accountRichard Trieu
type conversion between integers. This allows the warning to be more accurate. Also, turned the warning off in an analyzer test. The relavent test cases are covered by the tests in Sema. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167992 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Teach the AST importer to merge enumerator constants. FixesDouglas Gregor
<rdar://problem/12676166>, and tested on the LLDB side of the world. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167990 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14When evaluating variably modified types for function parameters, dig out theEli Friedman
type as written from the ParmVarDecl; it's unclear whether the standard (C99 6.9.1p10) requires this, but we're following the precedent set by gcc, and hopefully nobody will ever ask about this again. PR9559 / <rdar://problem/12621983>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167985 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Remove the cellspu port.Eric Christopher
Approved by Chris Lattner. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167983 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14ParseTemplate.cpp: Prune obsolete descriptions in ↵NAKAMURA Takumi
ParseSingleDeclarationAfterTemplate(), for now. [-Wdocumentation] /// \param TemplateParams if non-NULL, the template parameter lists /// that preceded this declaration. In this case, the declaration is a /// template declaration, out-of-line definition of a template, or an /// explicit template specialization. When NULL, the declaration is an /// explicit template instantiation. /// /// \param TemplateLoc when TemplateParams is NULL, the location of /// the 'template' keyword that indicates that we have an explicit /// template instantiation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167982 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14The ObjC++-to-C++ personality trick is only necessary on NeXT runtimes,John McCall
which is not coincidentally the only place it works, either (because of how it tests for EH_TYPE symbols). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167935 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14fixes a buildbot failure.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167934 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Fix 80-column violation.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167932 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14objective-C blocks: Provide layout map for byrefFariborz Jahanian
variables captured in a block. // rdar://12184410 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167931 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14s/tranform/transform/Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167929 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-14Move some GNUStep-specific code out of CGObjCGNU.John McCall
Patch by Jonathan Schleifer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167925 91177308-0d34-0410-b5e6-96231b3b80d8
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