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2012-12-17Fix PR14625 by teaching the driver to detect PWD for assembly files.Chandler Carruth
This also requires adding support to -cc1as for passing the detecting PWD down through LLVM's debug info (which in turn required the LLVM change in r170371). The test case is weak (we only test the driver behavior) because there is currently to infrastructure for running cc1as in the test suite. So those four lines are untested (much like all other lines in that file), but we have a test for the same pattern using llvm-mc in the LLVM repository. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170373 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-17[analyzer] Tweak the NumFunctionsAnalyzed stat so that it's more useful.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170362 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-17[analyzer] Implement "do not inline large functions many times"Anna Zaks
performance heuristic After inlining a function with more than 13 basic blocks 32 times, we are not going to inline it anymore. The idea is that inlining large functions leads to drastic performance implications. Since the function has already been inlined, we know that we've analyzed it in many contexts. The following metrics are used: - Large function is a function with more than 13 basic blocks (we should switch to another metric, like cyclomatic complexity) - We consider that we've inlined a function many times if it's been inlined 32 times. This number is configurable with -analyzer-config max-times-inline-large=xx This heuristic addresses a performance regression introduced with inlining on one benchmark. The analyzer on this benchmark became 60 times slower with inlining turned on. The heuristic allows us to analyze it in 24% of the time. The performance improvements on the other benchmarks I've tested with are much lower - under 10%, which is expected. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170361 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-17Reapply r170344, this time without forgetting to commit the header changes.David Chisnall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170354 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-17Revert "Added support for new property helpers (GNUstep runtime)."Benjamin Kramer
This reverts commit r170344. Doesn't even compile. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170351 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-17Added support for new property helpers (GNUstep runtime).David Chisnall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170344 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-17tsan: add __has_feature(thread_sanitizer)Dmitry Vyukov
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170314 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-17This patch fixes PR13624, which notes a 64-bit PowerPC ELF ABIBill Schmidt
incompatibility with how complex values are returned. It is sufficient to flag all complex types as direct rather than indirect. A new test case is provided that checks correct IR generation for the various supported flavors of _Complex. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170302 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-15[ubsan] Emit branch weight metadata to hint towards common case.Will Dietz
Results in better block placement that helps close the performance gap when making ubsan checks recoverable. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170263 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-14Don't hit an assertion failure when calculating the __PRETTY_FUNCTION__Argyrios Kyrtzidis
of a member function with parenthesized declarator. Like this test case: class Foo { const char *(baz)() { return __PRETTY_FUNCTION__; } }; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170233 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-14[preprocessor] For errors at a function macro invocation, also includeArgyrios Kyrtzidis
a note about where the macro is defined. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170228 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-14Don't require a space between the two ">" in "vector<id<protocol>>" in objc++11.Nico Weber
C++11 allowed writing "vector<vector<int>>" without a space between the two ">". This change allows this for protocols in template lists too in -std=c++11 mode, and improves the diagnostic in c++98 mode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170223 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-14Have Sema::ActOnStartOfFunctionDef return the declaration that was passed it.Argyrios Kyrtzidis
This fixes the missing warning here: struct S { template <typename T> void meth() { char arr[3]; arr[4] = 0; // warning: array index 4 is past the end of the array } }; template <typename T> void func() { char arr[3]; arr[4] = 0; // no warning } git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170180 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-14clang/test/CodeGenCXX/lambda-expressions.cpp: Relax expression for -Asserts.NAKAMURA Takumi
"entry:" is not met in -Asserts build. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170175 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-14Make the test less sensitive to the inline threshold.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170164 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13Make sure the __invoke function for lambdas returns properly. Per bug ↵Eli Friedman
report on IRC> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170160 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13Debug Info: Emit vtables pointer members as artificial.David Blaikie
I wasn't sure where to put the test case for this, but this seemed like as good a place as any. I had to reorder the tests here to make them legible while still matching the order of metadata output in the IR file (for some reason making it virtual changed the ordering). Relevant commit to fix up LLVM to actually respect 'artificial' member variables is coming once I write up a test case for it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170154 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13Revert 170049 because it fails with an assertion on one of the spec2000 ↵Nadav Rotem
workloads. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170143 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13ubsan: Add -fsanitize=bool and -fsanitize=enum, which check for loads ofRichard Smith
bit-patterns which are not valid values for enumerated or boolean types. These checks are the ubsan analogue of !range metadata. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170108 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13Initial support for FreeBSD on ARM.Rafael Espindola
Patch by Andrew Turner. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170096 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13[analyzer] Generalize ObjCMissingSuperCallChecker.Jordan Rose
We now check a few methods for UIResponder, NSResponder, and NSDocument. Patch by Julian Mayer! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170089 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13Using CanQualType::getAs<ArrayType> is unsafe; fix the code currently using it,Eli Friedman
and make sure additional uses don't get introduced. <rdar://problem/12858424>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170081 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13[analyzer] Fix a self-init checker false positive.Anna Zaks
This is a Band-Aid fix to a false positive, where we complain about not initializing self to [super init], where self is not coming from the init method, but is coming from the caller to init. The proper solution would be to associate the self and it's state with the enclosing init. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170059 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13objc: DOn't complain if a (SEL) expression is typecastFariborz Jahanian
to (SEL). Fixes // rdar://12859590 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170058 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13Add missing check for error return from DefaultLvalueConversion. Fixes ↵Eli Friedman
<rdar://problem/12857416>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170056 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13More hacking on mapDiagnosticRanges to make it handle more cases.Eli Friedman
This still isn't quite right, but it fixes a crash. I factored out findCommonParent because we need it on the result of getImmediateExpansionRange: for a function macro, the beginning and end of an expansion range can come out of different macros/macro arguments, which means the resulting range is a complete mess to handle consistently. I also made some changes to how findCommonParent works; it works somewhat better in some cases, and somewhat worse in others, but I think overall it's a better balance. I'm coming to the conclusion that mapDiagnosticRanges isn't using the right algorithm, though: chasing the caret is fundamentally more complicated than any algorithm which only considers one FileID for the caret can handle because each SourceLocation doesn't really have a single parent. We need to follow the same path of choosing expansion locations and spelling locations which the caret used to come up with the correct range in the general case. Fixes <rdar://problem/12847524>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170049 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12[objc] For the ARC error that is emitted when a synthesized property ↵Argyrios Kyrtzidis
implementation has inconsistent ownership with the backing ivar, point the error location to the ivar. Pointing to the ivar (instead of the @synthesize) is better since this is where a fix is needed. Also provide the location of @synthesize via a note. This also fixes the problem where an auto-synthesized property would emit an error without any location. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170039 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12[ms-inline asm] Test case for r170037.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170038 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12Rewrite calls to bitcast unprototyped functions when emitting a definition.John McCall
My variadics patch, r169588, changed these calls to typically be bitcasts rather than calls to a supposedly variadic function. This totally subverted a hack where we intentionally dropped excess arguments from such calls in order to appease the inliner and a "warning" from the optimizer. This patch extends the hack to also work with bitcasts, as well as teaching it to rewrite invokes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170034 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12[analyzer] Don't crash running destructors for multidimensional arrays.Jordan Rose
We don't handle array destructors correctly yet, but we now apply the same hack (explicitly destroy the first element, implicitly invalidate the rest) for multidimensional arrays that we already use for linear arrays. <rdar://problem/12858542> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170000 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12Marking the objc_autoreleaseReturnValue and objc_retainAutoreleaseReturnValue Chad Rosier
call sites as tail calls unconditionally. While it's theoretically true that this is just an optimization, it's an optimization that we very much want to happen even at -O0, or else ARC applications become substantially harder to debug. See r169796 for the llvm/fast-isel side of things. rdar://12553082 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169996 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12Don't warn about disabled macro expansion if we see the name of a ↵Richard Smith
function-like macro which isn't immediately followed by '('. FreeBSD's stdio.h #defines foo(x) to (foo)(x), apparently. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169960 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12[libclang] Make sure tokens from preprocessor directives are annotated as such,Argyrios Kyrtzidis
even if the directive is inside a declaration. Fixes rdar://11548788 & http://llvm.org/PR12970 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169949 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12Fix line ending is tests. No functional change.Richard Trieu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169947 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12clang/test: Suppress two tests on win32 for now, since, not sure, in r169829 ↵NAKAMURA Takumi
to r169831. "ansi-escape-sequences" is easy convenient to exclude win32. Please be patient. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169945 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11Try to fix Win32 failuresDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169923 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11Don't use 'touch' in this test; it may be the cause of Windows-related failures.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169922 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11Use @import rather than @__experimental_modules_import, since theDouglas Gregor
latter is rather a mess to type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169919 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11Add SPIR32/SPIR64 targets to ClangGuy Benyei
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169917 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11Add -fslp-vectorize to enable bb-vectorizeHal Finkel
Add -fslp-vectorize (with -ftree-slp-vectorize as an alias for gcc compatibility) to provide a way to enable the basic-block vectorization pass. This uses the same acronym as gcc, superword-level parallelism (SLP), also common in the literature, to refer to basic-block vectorization. Nadav suggested this as a follow-up to the adding of -fvectorize. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169909 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11objective-C blocks: Check for record type when deciding if Fariborz Jahanian
byref variable requires extended layout info. to prevent a crash involving arrays declared __block. // rdar://12787751 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169908 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11Don't complain about incomplete implementations for methods that areDouglas Gregor
unavailable due to availability attributes. <rdar://problem/12798237> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169903 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11[driver] Add the -ftree-vectorize flag as a alias of -fvectorize to maintainChad Rosier
compatibility with gcc. rdar://12839978 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169888 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11[driver] Add the -fvectorize flag to enable the loop vectorization passes.Chad Rosier
rdar://12839978 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169885 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11clang/test/Driver/linker-opts.c: Fix XFAIL that I removed win32.NAKAMURA Takumi
Sorry for my 3rd commit :( git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169827 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11clang/test/Driver/debug-options-as.c: Fixup not to use prefix=S. I didn't ↵NAKAMURA Takumi
know "REQUIRES:" would match --check-prefix=S ... git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169826 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11clang/test/Driver: Introduce the feature "clang-driver", set if gcc driver ↵NAKAMURA Takumi
is not used. It is not set at targetting cygming. See PR12920. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169824 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11Add tests for a corner case of when to relax all instructions:Rafael Espindola
We don't want to relax all instructions in $ clang -c test.s since most users don't pass -O when using the driver to assemble. On the other hand, -save-temps should not change the output unnecessary, so in $ clang -c test.c -save-temps we should relax all instructions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169815 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11PR14558: Compute triviality of special members (etc) at the end of the classRichard Smith
definition, rather than at the end of the definition of the set of nested classes. We still defer checking of the user-specified exception specification to the end of the nesting -- we can't check that until we've parsed the in-class initializers for non-static data members. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169805 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11[analyzer] Don't generate a summary for "freeWhenDone" if method isAnna Zaks
inlined. Fixes a false positive that occurs if a user writes their own initWithBytesNoCopy:freeWhenDone wrapper. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169795 91177308-0d34-0410-b5e6-96231b3b80d8
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