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2013-03-23documentation parsing: when providing code completion commentFariborz Jahanian
for a getter used in property-dot syntax, if geter has its own comment use it. // rdar://12791315 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177797 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-23[analyzer] Warn when a nil key or value are passed to NSMutableDictionary ↵Anna Zaks
and ensure it works with subscripting. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177789 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-23If a .syms file is available alongside a sanitizer runtime, pass it to theRichard Smith
linker via --dynamic-list instead of using --export-dynamic. This reduces the size of the dynamic symbol table, and thus of the binary (in some cases by up to ~30%). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177783 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22Use RequireCompleteType() instead of isIncompleteType().Bill Wendling
isIncompleteType() returns true or false for template types depending on whether the type is instantiated yet. In this context, that's arbitrary. The better way to check for a complete type is RequireCompleteType(). Thanks to Eli Friedman for noticing this! <rdar://problem/12700799> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177768 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22Add test case for PR 12921.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177767 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22[analyzer] Fix test to actually test what was intended.Jordan Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177763 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22[ms-cxxabi] Implement member data pointers for non-dynamic classesReid Kleckner
Summary: For non-dynamic classes (no virtual bases), member data pointers are simple offsets from the base of the record. Dynamic classes use an aggregate for member data pointers and are therefore currently unsupported. Unlike Itanium, the ms ABI uses 0 to represent null for polymorphic classes. Non-polymorphic classes use -1 like Itanium, since 0 is a valid field offset. Reviewers: rjmccall CC: timurrrr, cfe-commits Differential Revision: http://llvm-reviews.chandlerc.com/D558 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177753 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22documentation parsing. Provide code completion comment Fariborz Jahanian
for self.GetterName where GetterName is the getter method for a property with name different from the property name (declared via a property getter attribute) // rdar://12791315 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177744 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22These tests fail on our Window64 machine.Fariborz Jahanian
Feel free to revert them (or let me know and I will revert) if they shouldn't be. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177743 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22Fix DeclRefExpr::getFoundDecl() for usages by reference.Daniel Jasper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177721 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22OpenMP threadprivate directive parsing and semantic analysisAlexey Bataev
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177705 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22test commitAlexey Bataev
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177701 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22Warn about attempts to reinterpret_cast between two types that areJohn McCall
hierarchy-related at a possibly nonzero offset. Patch by Alexander Zinenko! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177698 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22Fix a crash-on-valid where a block capture copy expression wasJohn McCall
picking up cleanups from earlier in the statement. Also fix a crash-on-invalid where a reference to an invalid decl from an enclosing scope was causing an expression to fail to build, but only *after* a cleanup was registered from that statement, causing an assertion downstream. The crash-on-valid is rdar://13459289. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177692 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22ubsan: Pass floating-point arguments to the runtime by value if they fit theRichard Smith
value argument. If not, be sure we don't accidentally use a dynamic alloca. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177690 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-22<rdar://problem/13479214> Make Clang's <stddef.h> robust against system ↵Douglas Gregor
headers defining size_t/ptrdiff_t/wchar_t. Clang's <stddef.h> provides definitions for the C standard library types size_t, ptrdiff_t, and wchar_t. However, the system's C standard library headers tend to provide the same typedefs, and the two generally avoid each other using the macros _SIZE_T/_PTRDIFF_T/_WCHAR_T. With modules, however, we need to see *all* of the places where these types are defined, so provide the typedefs (ignoring the macros) when modules are enabled. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177686 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-21Update debug info test case for more incoming DIBuilder changesDavid Blaikie
Switching the DIFile field in DISubprogram to refer to the raw filename/directory pair instead of a DIFile. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177676 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-21Update debug info test case for an incoming change to DIBuilder in LLVMDavid Blaikie
(this will produce some transient test failure/skew) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177673 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-21<rdar://problem/13477190> Give the Clang module cache directory some ↵Douglas Gregor
structure, so it's easier to find. We now put the Clang module cache in <system-temp-directory>/org.llvm.clang/ModuleCache. Perhaps some day there will be other caches under <system-temp-directory>/org.llvm.clang>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177671 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-21Objective-C: Tighten the rules when warningFariborz Jahanian
is issused for on overriding 'readwrite' property which is not auto-synthesized. Buttom line is that if hueristics determine that there will be a user implemented setter, no warning will be issued. // rdar://13388503 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177662 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-21Generalize debug info tests to be forward compatible with future ↵David Blaikie
DISubprogram changes git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177659 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-21This ugly regex is required because on Windows, the paths come out as \\ ↵Aaron Ballman
delimited instead of / delimited. Fixes a test breakage since r176894. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177658 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-21Delayed template parsing is not supported by the AST serialization system ↵Aaron Ballman
yet, so turning it off. This fixes a test breakage caused by r177336. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177655 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-21<rdar://problem/13037793> Allow the names of modules to differ from the name ↵Douglas Gregor
of their subdirectory in the include path. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177621 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-21Further weaken block conversion rules to permit blocks withJohn McCall
enum return type to be converted to blocks with any integer type of the same size. rdar://13463504 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177613 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-21Add more testing cases for tbaa.structManman Ren
Testing cases for structs of structs and unions of structs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177612 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20Debug info - generalize namespace test to not depend on a DW_TAG_file_type entryDavid Blaikie
This isn't necessary & with the next change to LLVM the DW_TAG_file_type entry won't be emitted at all - only the raw filename/directory pair, so match on that directly instead. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177609 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20Split ubsan runtime into three pieces (clang part):Richard Smith
* libclang_rt-san-* is sanitizer_common, and is linked in only if no other sanitizer runtime is present. * libclang_rt-ubsan-* is the piece of the runtime which doesn't depend on a C++ ABI library, and is always linked in. * libclang_rt-ubsan_cxx-* is the piece of the runtime which depends on a C++ ABI library, and is only linked in when linking a C++ binary. This change also switches us to using -whole-archive for the ubsan runtime (which is made possible by the above split), and switches us to only linking the sanitizer runtime into the main binary and not into DSOs (which is made possible by using -whole-archive). The motivation for this is to only link a single copy of sanitizer_common into any binary. This is becoming important now because we want to share more state between multiple sanitizers in the same process (for instance, we want a single shared output mutex). The Darwin ubsan runtime is unchanged; because we use a DSO there, we don't need this complexity. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177605 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20[ms-cxxabi] Mangle function pointer template arguments correctlyReid Kleckner
Reviewers: rjmccall CC: timurrrr, llvm-commits Differential Revision: http://llvm-reviews.chandlerc.com/D554 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177589 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20<rdar://problem/12368093> Extend module maps with a 'conflict' declaration, ↵Douglas Gregor
and warn when a newly-imported module conflicts with an already-imported module. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177577 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20[analyzer] Don't invalidate globals when there's no call involved.Jordan Rose
This fixes some mistaken condition logic in RegionStore that caused global variables to be invalidated when /any/ region was invalidated, rather than only as part of opaque function calls. This was only being used by CStringChecker, and so users will now see that strcpy() and friends do not invalidate global variables. Also, add a test case we don't handle properly: explicitly-assigned global variables aren't being invalidated by opaque calls. This is being tracked by <rdar://problem/13464044>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177572 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20[analyzer] Track malloc'd memory into struct fields.Jordan Rose
Due to improper modelling of copy constructors (specifically, their const reference arguments), we were producing spurious leak warnings for allocated memory stored in structs. In order to silence this, we decided to consider storing into a struct to be the same as escaping. However, the previous commit has fixed this issue and we can now properly distinguish leaked memory that happens to be in a struct from a buffer that escapes within a struct wrapper. Originally applied in r161511, reverted in r174468. <rdar://problem/12945937> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177571 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20[analyzer] Invalidate regions indirectly accessible through const pointers.Jordan Rose
In this case, the value of 'x' may be changed after the call to indirectAccess: struct Wrapper { int *ptr; }; void indirectAccess(const Wrapper &w); void test() { int x = 42; Wrapper w = { x }; clang_analyzer_eval(x == 42); // TRUE indirectAccess(w); clang_analyzer_eval(x == 42); // UNKNOWN } This is important for modelling return-by-value objects in C++, to show that the contents of the struct are escaping in the return copy-constructor. <rdar://problem/13239826> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177570 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20refactoring file/directory for namespace debug infoDavid Blaikie
(this is a paired commit with an LLVM change to DIBuilder - expect some buildbot skew/fallout) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177565 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20Enhance debug info namespace test to check for context/scope referenceDavid Blaikie
The #line directive is mostly for backend testing (keeping these files matching should simplify maintenance somewhat) though the corresponding backend test improvement/update doesn't verify the file information directly just yet. Coming in a later iteration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177559 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20Do the error recovery for @end only.Fariborz Jahanian
I am not sure how much we can improve for when a randon ObjC keyword is thrown into the ivar decl. block. // rdar://6854840 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177553 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20Objective-C [qoi] more gracefull recovery when Fariborz Jahanian
'}' is missing for the ivar declarations. // rdar://6854840 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177549 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20PR7256: Provide a fixit for incorrect destructor declarationsDavid Blaikie
Fix by Ismail Pazarbasi (ismail.pazarbasi@gmail.com), review by Dmitri Gribenko. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177546 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20Exploit this-return of a callsite in a this-return function.Manman Ren
For constructors/desctructors that return 'this', if there exists a callsite that returns 'this' and is immediately before the return instruction, make sure we are using the return value from the callsite. We don't need to keep 'this' alive through the callsite. It also enables optimizations in the backend, such as tail call optimization. Updated from r177211. rdar://12818789 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177541 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20Fix redundant comparison in gcc::Common::ConstructJob.Hans Wennborg
We were checking "Arch == llvm::Triple::x86_64 || Arch == llvm::Triple::x86_64", but the rhs should actually check for powerpc64. Found while experimenting with a potential new Clang warning. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177496 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20Make front-end debug info namespace test frontend-only & more specific ↵David Blaikie
without overconstraining it The backend portion of this test will be committed to LLVM's test suite. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177485 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20Teach statement / declaration disambiguation about C++11-style generalized ↵Richard Smith
initializers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177480 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20The flag "-coverage-function-names-in-data" is actually backwards -- we doNick Lewycky
emit function names in .gcda files by default, and the flag turns that off! Rename the flag to make it match what it actually does. This keeps the default format compatible with gcc 4.2. Also add a test for this flag. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177475 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20Don't look outside the innermost enclosing namespace whenJohn McCall
performing unqualified lookup for a friend class declaration. rdar://13393749 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177473 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20Make clang emit linkage names in debug info for subprograms when coverage infoNick Lewycky
is enabled. Also add a new -test-coverage cc1 flag which makes testing coverage possible and add our first clang-side coverage test. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177470 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20<rdar://problem/10796651> Introduce configuration macros into module maps.Douglas Gregor
Configuration macros are macros that are intended to alter how a module works, such that we need to build different module variants for different values of these macros. A module can declare its configuration macros, in which case we will complain if the definition of a configation macro on the command line (or lack thereof) differs from the current preprocessor state at the point where the module is imported. This should eliminate some surprises when enabling modules, because "#define CONFIG_MACRO ..." followed by "#include <module/header.h>" would silently ignore the CONFIG_MACRO setting. At least it will no longer be silent about it. Configuration macros are eventually intended to help reduce the number of module variants that need to be built. When the list of configuration macros for a module is exhaustive, we only need to consider the settings for those macros when building/finding the module, which can help isolate modules for various project-specific -D flags that should never affect how modules are build (but currently do). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177466 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-19Simplify/generalize some debug info test casesDavid Blaikie
Mostly, try to depend on the annotation comments more so these tests are more legible, brief, and agnostic to schema changes in the future (sure, they're not agnostic to changes to the comment annotations but since they're easier to read they should be easier to update if that happens). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177457 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-19[analyzer] Add an integer version of the Circle tests in uninit-vals.m.Jordan Rose
A floating-point version is nice for testing unknown values, but it's good to be able to check all parts of the structure as well. Test change only, no functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177455 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-19[analyzer] Do not believe lazy binding when symbolic region types do not matchAnna Zaks
This fixes a crash when analyzing LLVM that was exposed by r177220 (modeling of trivial copy/move assignment operators). When we look up a lazy binding for “Builder”, we see the direct binding of Loc at offset 0. Previously, we believed the binding, which led to a crash. Now, we do not believe it as the types do not match. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177453 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-19[analyzer] Add a test case for diagnostic suppression on a graph with cycles.Jordan Rose
(see previous commit) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177449 91177308-0d34-0410-b5e6-96231b3b80d8
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