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2012-05-03modern objc translator: used size_t in coupleFariborz Jahanian
of places. // rdar://11375908 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156106 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03modern objc translation. objc_getClass() and objc_getMetaClass()Fariborz Jahanian
prototypes should both return `struct objc_class *`. // rdar://11375495 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156097 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03[analyzer] When promoting constant integers in a comparison, use the larger ↵Jordy Rose
width of the two to avoid truncation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156089 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Add -Wimplicit-fallthrough warning flag, which warns on fallthrough betweenRichard Smith
cases in switch statements. Also add a [[clang::fallthrough]] attribute, which can be used to suppress the warning in the case of intentional fallthrough. Patch by Alexander Kornienko! The handling of C++11 attribute namespaces in this patch is temporary, and will be replaced with a cleaner mechanism in a subsequent patch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156086 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03[analyzer] CString Checker: Do not split the path unless the userAnna Zaks
specifically checks for equality to null. Enforcing this general practice, which keeps the analyzer less noisy, in the CString Checker. This change suppresses "Assigned value is garbage or undefined" warning in the added test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156085 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03objective-c: warn for properties being default synthesizedFariborz Jahanian
under -Wobjc-missing-property-synthesis which must be opted-in. // rdar://11295716 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156078 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Test case Clang::Driver/debug-options-as.c depends on the integrated ↵Simon Atanasyan
assembler. Turn it on explicitly on all platforms by the "-integrated-as" option. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156063 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03[analyzer] Equality ops are like relational ops in that the arguments ↵Jordy Rose
shouldn't be converted to the result type. Fixes PR12206 and dupe PR12510. This was probably the original intent of r133041 (also me, a year ago). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156062 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03[analyzer] Fix RUN line and general cleanup for additive folding tests.Jordy Rose
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156061 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03[PCH] Clear switch case IDs when deserializing a objc method body.Argyrios Kyrtzidis
Fixes rdar://11353109 & http://llvm.org/bugs/show_bug.cgi?id=12689 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156056 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03[analyzer] Conjure a symbol to ensure we can identify pointer arithmeticAnna Zaks
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); git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156052 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03[analyzer] Do not assert on constructing SymSymExpr with diff types.Anna Zaks
The resulting type info is stored in the SymSymExpr, so no reason not to support construction of expression with different subexpression types. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156051 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03[analyzer] Add a complexity bound on history tracking.Anna Zaks
(Currently, this is only relevant for tainted data.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156050 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03[analyzer] Revert the functional part of r155944. Anna Zaks
The change resulted in multiple issues on the buildbot, so it's not ready for prime time. Only enable history tracking for tainted data(which is experimental) for now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156049 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Merge x86-64-abi-sret-vs-2word-struct-param.cpp into the genericJohn McCall
x86_64-arguments.cpp test file and be sure to test the coerced case as well. Thanks to Wei-Ren Chen for bringing this test to my attention. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156047 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-03Fix a note without a SourceLocation.Richard Trieu
#define TEST int y; int x = y; void foo() { TEST } -Wuninitialized gives this warning: invalid-loc.cc:4:3: warning: variable 'y' is uninitialized when used here [-Wuninitialized] TEST ^~~~ invalid-loc.cc:2:29: note: expanded from macro 'TEST' #define TEST int y; int x = y; ^ note: initialize the variable 'y' to silence this warning 1 warning generated. The second note lacks filename, line number, and code snippet. This change will remove the fixit and only point to variable declaration. invalid-loc.cc:4:3: warning: variable 'y' is uninitialized when used here [-Wuninitialized] TEST ^~~~ invalid-loc.cc:2:29: note: expanded from macro 'TEST' #define TEST int y; int x = y; ^ invalid-loc.cc:4:3: note: variable 'y' is declared here TEST ^ invalid-loc.cc:2:14: note: expanded from macro 'TEST' #define TEST int y; int x = y; ^ 1 warning generated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156045 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-02Add commas to for loop warning to separate variable names.Richard Trieu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156033 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
2012-05-02Driver: 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
2012-05-02Fix 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
2012-05-02Disable 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
2012-05-02Refine 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
2012-05-01Add 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
2012-05-01Teach 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
2012-05-01Fix test cases broken by 155936.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155948 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01[analyzer] Test case reported for a reported false positive, now fixed.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155945 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
2012-05-01We don't need a lengthy quote from the wrong standard.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155942 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Add test cases for r155935.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155940 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
2012-05-01Test verified.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155932 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
2012-05-01modern 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
2012-05-01Restructure some of the member-pointer tests, implicitlyJohn McCall
removing some that were added without a triple (and moving their tests into files that appropriately test multiple architectures). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155920 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
2012-05-01clang/test/CodeGenCXX: Fix two tests, destructors.cpp and ↵NAKAMURA Takumi
microsoft-abi-array-cookies.cpp, for -Asserts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155913 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01clang/test/Rewriter: Remove XFAIL and add -U__declspec to other 9 tests. ↵NAKAMURA Takumi
mingw32 tends to define built-in __declspec. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155911 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01clang/test/Rewriter/rewrite-modern-extern-c-func-decl.mm: Remove XFAIL and ↵NAKAMURA Takumi
add -U__declspec. mingw32 tends to define built-in __declspec. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155910 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-01Add a disclaimer to the new test, plus a user-declared ctorJohn McCall
to force the emission of vtordisps. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155906 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
2012-05-01Abstract 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
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