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2013-03-13Really fix the MIPS test.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176991 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-13Attempt to fix test.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176987 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-13Cause the mips16/nomips16 attribute to be passed to LLVM from ClangReed Kotler
in the LLVM assembly language output. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176971 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-13[analyzer] BugReporter - more precise tracking of C++ referencesAnna Zaks
When BugReporter tracks C++ references involved in a null pointer violation, we want to differentiate between a null reference and a reference to a null pointer. In the first case, we want to track the region for the reference location; in the second, we want to track the null pointer. In addition, the core creates CXXTempObjectRegion to represent the location of the C++ reference, so teach FindLastStoreBRVisitor about it. This helps null pointer suppression to kick in. (Patch by Anna and Jordan.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176969 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-13[analyzer] Handle Objc Fast enumeration for "loop is executed 0 times".Ted Kremenek
Fixes <rdar://problem/12322528> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176965 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-13relax check to allow for attributes (fix buildbot for elf-ppc64)Adrian Prantl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176954 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-13Add llvm-symbolizer as test dependency.Evgeniy Stepanov
It is required when building tests with ASan or MSan. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176942 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-13Set symbolizer path in the test environment.Evgeniy Stepanov
This is needed to get symbolized stack traces when running Clang tests under (A|M)San. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176934 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-13Tighten up the rules for precise lifetime and documentJohn McCall
the requirements on the ARC optimizer. rdar://13407451 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176924 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Test for LLVM r176911Matt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176912 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Objective-C: In my last path, also checkFariborz Jahanian
for existence of user setter before issuing the warning about non-synthesizable property. // rdar://13388503 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176906 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Make modules.m test portable, now that autolinking is dependent on whether ↵Ted Kremenek
or not the target uses the integrated assembler. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176902 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Eliminate backend dependency in CFE testcase.Adrian Prantl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176901 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12[driver] Only enable -fmodules-autolink if we are using the integrated ↵Ted Kremenek
assembler. Fixes <rdar://problem/13289240> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176897 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Force column info to be generated for call expressions so we canAdrian Prantl
differentiate multiple inlined call sites on the same line in the debug info. Fixes rdar://problem/13036237 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176895 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Driver: -ccc-install-dir should affect cc1 -resource-dirJim Grosbach
-ccc-install-dir is supposed to cause the compiler to behave as-if it were installed in the indicated location. It almost does, but misses anything that's relying on the resource directory (libc++ header search, in particular). The resource dir is resolved too early, before command line args are handled. The fix is simply to move handling of the resource dir until after we know if a -ccc-install-dir is present. rdar://13402696 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176894 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Revert "Revert r166370 and r166540 now that Xcode 4.6 has been available for ↵Bob Wilson
a while." This reverts commit 176887. Nico asked for more time to move to Xcode 4.6. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176892 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Add an interesting testcase we already handle correctly.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176890 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Objective-C: Issue warning in couple of obscure casesFariborz Jahanian
when property autosynthesis does not synthesize a property. When property is declared 'readonly' in a super class and is redeclared 'readwrite' in a subclass. When a property autosynthesis causes it to share 'ivar' with another property. // rdar://13388503 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176889 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Move the extern "C" sema tests to a new file.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176888 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Revert r166370 and r166540 now that Xcode 4.6 has been available for a while.Bob Wilson
Those changes were added as a temporary workaround for Xcode 4.5 passing the -Wno-arc-abi option. Xcode 4.6 does not pass that option so this should no longer be necessary. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176887 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Revert "Disallow using -fmodules with -no-integrated-as."Ted Kremenek
Per comment from Benjamin Kramer, this isn't portable (yet). I'll come up with a better fix. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176876 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12We already reported an error forRafael Espindola
extern "C" { void test5_f() { extern int test5_b; } } static float test5_b; This patch makes us report one for extern "C" { void test6_f() { extern int test6_b; } } extern "C" { static float test6_b; } Not because we think the declaration would be extern C, but because of the rule: An entity with C language linkage shall not be declared with the same name as an entity in global scope... We were just not looking past the extern "C" to see if the decl was in global scope. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176875 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Modify comment in user test.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176870 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Correctly compute linkage of decls forward declared extern C.Rafael Espindola
This fixes a crash in namespace { struct X {}; } extern "C" X test2_b; X test2_b before we would assign different linkages to each of the test2_b decls. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176869 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Error if an extern C declaration matches a previous hidden extern C declaration.Rafael Espindola
Without this patch we produce an error for extern "C" { void f() { extern int b; } } extern "C" { extern float b; } but not for extern "C" { void f() { extern int b; } } extern "C" { float b; } git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176867 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Remove a bogus assert so we don't crash inRafael Espindola
namespace { struct X {}; } extern "C" { X b = X(); } git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176866 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Remove driver support for Hexagon V2 and V3Matthew Curtis
Driver will now error when trying to compile for V2 or V3. Removal of V2 and V3 support will allow us to simplify the hexagon back-end. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176859 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-11Objective-C: When using super.prop, property should beFariborz Jahanian
looked up the current class's super class. // rdar://13349296 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176832 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-11Disallow using -fmodules with -no-integrated-as.Ted Kremenek
Modules enables features such as auto-linking, and we simply do not want to support a matrix of subtly enabled/disabled features depending on whether or not a user is using the integrated assembler. It isn't clear if this is the best place to do this check. For one thing, these kind of errors are not caught by the serialized diagnostics. Fixes <rdar://problem/13289240> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176826 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-11Improve the caching of debuginfo Objective C interface types.Adrian Prantl
Generate forward declarations that are RAUW'd by finalize(). We thus avoid outputting the same type several times in multiple stages of completion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176820 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-11Add -Wc99-compat warning for C11 unicode string and character literals.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176817 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-11Partly revert "Move clang tests that depend on llvm/ADT/Statistic.h to a ↵Jan Wen Voung
subdir". This reverts commit 176730, and uses "REQUIRES: asserts" instead. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176815 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-11[libclang] Fix a test and a warning on windows.Argyrios Kyrtzidis
Patch by Guy Benyei! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176806 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-11Add a test case for the 'vec_type_hint' attribute that was introduced inJoey Gouly
r176686. I missed this file in the previous commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176803 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-10PR15480: fixed second parameter types of vec_lde, vec_lvebx, vec_lvehx, and ↵Anton Yartsev
vec_lvewx according to AltiVec Programming Interface Manual git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176789 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-10Fix indirect byval passing of records in address spaced memory. Allocate ↵Guy Benyei
memory on stack, and memcpy the actual value before the call. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176786 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-09When lexing in C11 mode, accept unicode character and string literals, per C11Richard Smith
6.4.4.4/1 and 6.4.5/1. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176780 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-09Handle _Pragma on a u8, u, or U string literal per the C11 specification. AlsoRichard Smith
handle raw string literals here. C++11 doesn't yet specify how they will behave, but discussion on core suggests that we should just strip off everything but the r-char-sequence. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176779 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-09[analyzer] Make Suppress IDC checker aware that it might not start from the ↵Anna Zaks
same node it was registered at The visitor used to assume that the value it’s tracking is null in the first node it examines. This is not true. If we are registering the Suppress Inlined Defensive checks visitor while traversing in another visitor (such as FindlastStoreVisitor). When we restart with the IDC visitor, the invariance of the visitor does not hold since the symbol we are tracking no longer exists at that point. I had to pass the ErrorNode when creating the IDC visitor, because, in some cases, node N is neither the error node nor will be visible along the path (we had not finalized the path at that point and are dealing with ExplodedGraph.) We should revisit the other visitors which might not be aware that they might get nodes, which are later in path than the trigger point. This suppresses a number of inline defensive checks in JavaScriptCore. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176756 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-09[analyzer] Rename AttrNonNullChecker -> NonNullParamCheckerAnna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176755 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-09[analyzer] Add test case for reference to null pointer param checkAnna Zaks
This tests that we track the original Expr if getDerefExpr fails. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176754 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-09[analyzer] Be more consistent about Objective-C methods that free memory.Jordan Rose
Previously, MallocChecker's pointer escape check and its post-call state update for Objective-C method calls had a fair amount duplicated logic and not-entirely-consistent checks. This commit restructures all this to be more consistent and possibly allow us to be more aggressive in warning about double-frees. New policy (applies to system header methods only): (1) If this is a method we know about, model it as taking/holding ownership of the passed-in buffer. (1a) ...unless there's a "freeWhenDone:" parameter with a zero (NO) value. (2) If there's a "freeWhenDone:" parameter (but it's not a method we know about), treat the buffer as escaping if the value is non-zero (YES) and non-escaping if it's zero (NO). (3) If the first selector piece ends with "NoCopy" (but it's not a method we know about and there's no "freeWhenDone:" parameter), treat the buffer as escaping. The reason that (2) and (3) don't explicitly model the ownership transfer is because we can't be sure that they will actually free the memory using free(), and we wouldn't want to emit a spurious "mismatched allocator" warning (coming in Anton's upcoming patch). In the future, we may have an idea of a "generic deallocation", i.e. we assume that the deallocator is correct but still continue tracking the region so that we can warn about double-frees. Patch by Anton Yartsev, with modifications from me. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176744 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-09Adjust the special non-C++ enum block return type inferenceJohn McCall
so that it looks through certain syntactic forms and applies even if normal inference would have succeeded. There is potential for source incompatibility from this change, but overall we feel that it produces a much cleaner and more defensible result, and the block compatibility rules should curb a lot of the potential for annoyance. rdar://13200889 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176743 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08[analyzer] Look for lvalue nodes when tracking a null pointer.Jordan Rose
r176010 introduced the notion of "interesting" lvalue expressions, whose nodes are guaranteed never to be reclaimed by the ExplodedGraph. This was used in bugreporter::trackNullOrUndefValue to find the region that contains the null or undef value being tracked. However, the /rvalue/ nodes (i.e. the loads from these lvalues that produce a null or undef value) /are/ still being reclaimed, and if we couldn't find the node for the rvalue, we just give up. This patch changes that so that we look for the node for either the rvalue or the lvalue -- preferring the former, since it lets us fall back to value-only tracking in cases where we can't get a region, but allowing the latter as well. <rdar://problem/13342842> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176737 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08Move clang tests that depend on llvm/ADT/Statistic.h to a subdir.Jan Wen Voung
The subdirectory has a lit.local.cfg that marks the tests unsupported if llvm was built without Asserts. There will be a patch in LLVM that disables statistics gathering when built without Asserts so that full Release builds can be faster. Statistics can also be enabled by building with -DLLVM_ENABLE_STATS. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176730 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08Sema: Preserve attributes on parameters in instantiated function templates.Jordan Rose
This was causing correctness issues for ARC and the static analyzer when a function template has "consumed" Objective-C object parameters (i.e. parameters that will be released by the function before returning). The fix is threefold: (1) Actually copy over the attributes from old ParmVarDecls to new ones. (2) Have Sema::BuildFunctionType only work for building FunctionProtoTypes, which it was doing anyway. This allows us to pass an ExtProtoInfo instead of a plain ExtInfo and several flags. (3) Drop param attributes as part of StripImplicitInstantiation, which is used when an implicit instantiation is followed by an explicit one. <rdar://problem/12685622> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176728 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08<rdar://problem/13094134> Don't try to wire up typedef names for invalid ↵Douglas Gregor
anonymous tag declarations encountered during template instantiation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176727 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08<rdar://problem/13140795> Transform the scope type of a pseudo-destructor ↵Douglas Gregor
expression within the object scope. We were transforming the scope type of a pseudo-destructor expression (e.g., the first T in x->T::~T()) as a freestanding type, which meant that dependent template specialization types here would stay dependent even when no template parameters were named. This would eventually mean that a dependent expression would end up in what should be fully-instantiated ASTs, causing IRgen to assert. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176723 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08[PCH] When complaining that a header from the PCH was modified, also mentionArgyrios Kyrtzidis
the filename of the PCH file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176717 91177308-0d34-0410-b5e6-96231b3b80d8
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