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2012-11-27Add -fsanitize=integer for reporting suspicious integer behaviors.Will Dietz
Introduces new sanitizer "unsigned-integer-overflow". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168701 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-27Fix the definition of the vfork() builtin on Haiku. PR14378.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168674 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-27This patch addresses an incompatibility relative to the 64-bit PowerPCBill Schmidt
ELF ABI. Complex values are to be passed in registers as though the real and imaginary parts were passed as separate parameters. Prior to this patch, complex values were passed as byval aggregates. It turns out that specifying getDirect() for all complex types when classifying the argument type results in the desired behavior. The new Clang test case verifies that the correct LLVM IR is generated for caller and callee for each of the underlying types for _Complex. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168673 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-27Revert r168411 for now.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168667 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-27Frontend: Create a virtual file for named pipe inputs.Daniel Dunbar
- This ensures we see the right buffer size for the file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168636 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-26Improve diagnostic on C++11 attribute specifiers that appear at wrong ↵Michael Han
syntactic locations around class specifiers. This change list implemented logic that explicitly detects several combinations of locations where C++11 attribute specifiers might be incorrectly placed within a class specifier. Previously we emit generic diagnostics like "expected identifier" for such cases; now we emit specific diagnostic against the misplaced attributes, this also fixed a bug in old code where attributes appear at legitimate locations were incorrectly rejected. Thanks to Richard Smith for reviewing! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168626 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-26Add missing "break". Thanks to Craig for spotting it.Eli Friedman
I'm looking at ways to fix the relevant test so it can catch this sort of mistake. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168618 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-26[analyzer] Fix a crash reported in PR 14400.Anna Zaks
The AllocaRegion did not have the superRegion (based on LocationContext) as part of it's hash. As a consequence, the AllocaRegions from different frames were uniqued to be the same region. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168599 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-26MSPGCC renamed ISR vectors from vector_<address> to __isr_<number>. This ↵Anton Korobeynikov
patch makes Clang reflect this scheme. Patch by Job Noorman! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168598 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-26Fix PR14413 - incorrect mangling of anonymous namespaces with -cxx-abi microsoftTimur Iskhodzhanov
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168583 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-26PR14428: When instantiating a 'new' expression, if we had a non-dependentRichard Smith
initialization, don't rebuild it. Remove a couple of hacks which were trying to work around this. Fix the special case for one-argument CXXConstructExprs to not apply if the one argument is a default argument. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168582 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-25Add r168519 back, but with a fix to also merge the used flag in variables.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168564 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-24Revert r168519, "Merge used flags so that we don't have to iterate on ↵NAKAMURA Takumi
isUsed. With this change" It brought bunch of (possibly false) warnings. llvm/unittests/VMCore/PassManagerTest.cpp:60:22: warning: variable 'ID' is not needed and will not be emitted [-Wunneeded-internal-declaration] char ModuleNDNM::ID=0; ^ llvm/unittests/VMCore/PassManagerTest.cpp:86:22: warning: variable 'ID' is not needed and will not be emitted [-Wunneeded-internal-declaration] char ModuleNDM2::ID=0; ^ llvm/unittests/VMCore/PassManagerTest.cpp:106:21: warning: variable 'ID' is not needed and will not be emitted [-Wunneeded-internal-declaration] char ModuleDNM::ID=0; ^ llvm/unittests/VMCore/PassManagerTest.cpp:217:16: warning: variable 'initcount' is not needed and will not be emitted [-Wunneeded-internal-declaration] int LPass::initcount=0; ^ llvm/unittests/VMCore/PassManagerTest.cpp:218:16: warning: variable 'fincount' is not needed and will not be emitted [-Wunneeded-internal-declaration] int LPass::fincount=0; ^ llvm/unittests/VMCore/PassManagerTest.cpp:259:16: warning: variable 'inited' is not needed and will not be emitted [-Wunneeded-internal-declaration] int BPass::inited=0; ^ llvm/unittests/VMCore/PassManagerTest.cpp:260:16: warning: variable 'fin' is not needed and will not be emitted [-Wunneeded-internal-declaration] int BPass::fin=0; ^ llvm/unittests/VMCore/PassManagerTest.cpp:283:24: warning: variable 'ID' is not needed and will not be emitted [-Wunneeded-internal-declaration] char OnTheFlyTest::ID=0; ^ 8 warnings generated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168549 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-23Sema: Provide a valid source location when instantiating templates based on ↵Benjamin Kramer
a CXXDefaultArgExpr. Fixes PR13758. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168521 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-23Merge used flags so that we don't have to iterate on isUsed. With this changeRafael Espindola
"clang -cc1 -fsyntax-only" on the preprocessed output of #define M extern int a; #define M2 M M #define M4 M2 M2 #define M8 M4 M4 #define M16 M8 M8 #define M32 M16 M16 #define M64 M32 M32 #define M128 M64 M64 #define M256 M128 M128 #define M512 M256 M256 #define M1024 M512 M512 #define M2048 M1024 M1024 #define M4096 M2048 M2048 #define M8192 M4096 M4096 #define M16384 M8192 M8192 M16384 goes from 2.994s to 1.416s. GCC is at 0.022s, so we still have a long way to go. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168519 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-23Remove redundant check.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168515 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-23PR14306: Move -fbounds-checking to -fsanitize=bounds.Joey Gouly
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168510 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-23Reapply a subset of r167567 to clean up Darwin-specific code for invoking gcc.Bob Wilson
Unlike my previous attempt at this, this patch leaves intact the check for whether clang can handle the input file type, and for non-Darwin toolchains it will invoke gcc for things it cannot handle. For Darwin toolchains, the behavior reported in pr14338 still occurs with this patch, but that is a definite improvement from what happens currently, where it just crashes with an assertion failure. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168505 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-22Make helpers static/anonymous.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168500 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-22Fix regression in r168477. Use canonical decl when looking for base classRichard Smith
specified as a qualified name. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168479 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-22Fix CXXRecordDecl::forallBases to not look through bases which are dependentRichard Smith
and defined within the current instantiation, but which are not part of the current instantiation. Previously, it would look at bases which could be specialized separately from the current template. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168477 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-21Fix the '-fuse-init-array' option to actually be an option.Chandler Carruth
Previously, this flag to CC1 was never exposed at the clang driver layer, and if you happened to enable it (by being on Android or GCC 4.7 platform), you couldn't *disable* it, because there was no 'no' variant. The whole thing was confusingly implemented. Now, the target-specific flag processing gets the driver arg list, and we use standard hasFlag with a default based on the GCC version and/or Android platform. The user can still pass the 'no-' variant to forcibly disable the flag, or pass the positive variant to clang itself to enable the flag. The test has also been substantially cleaned up and extended to cover these use cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168473 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-21SemaCXX: an enumeral type can be of character or boolean type in a C++11 ↵Benjamin Kramer
enum class. Make sure we create a literal of the right type. Fixes PR14386. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168441 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-21Test commit: Remove blank line.Joey Gouly
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168436 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-21[Sanitizer] force linking with static sanitizer runtimes on Darwin even if ↵Alexey Samsonov
they are not found in resource directory. Add test checking sanitizer linker flags on Darwin. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168428 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-21Use color for -ast-dump-filter only when it is supportedDmitri Gribenko
Patch by Philip Craig. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168420 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-21Remove redundant code.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168411 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-21Remove redundant code.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168410 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-20Update method calls to the new interface re r168354.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168355 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-19Fix some trailing whitespace (on a blank line) to cycle/test bots.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168340 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-19PR14381: Never skip constexpr function bodies when code-completing. We may needRichard Smith
them in order to parse the rest of the file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168327 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-19When adding a NamedDecl to a correction, add the underlying Decl (viaKaelyn Uhrain
getUnderlyingDecl()) so that derivatives of CorrectionCandidateCallback::ValidateCandidate(...) don't have to worry about being thrown by UsingDecls and such. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168317 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-19Add -ldl for non-static libgcc in Android.Logan Chien
According to Android ABI, we have to link with libdl.so, if we are linking with non-static libgcc. Besides, this also fixes MIPS link error of undefined references to `_Unwind_Find_FDE' and `dl_iterate_phdr'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168310 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-19Enable -fuse-init-array for Android X86/MIPS.Logan Chien
The dynamic linker of Android does not support .ctors/.dtors. We should emit .init_array and .fini_array regardless the gcc version. NOTE: This patch does not affect the ARM backend, because it is required to generate .init_array and .fini_array for program targeting ARM AAPCS and AEABI. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168309 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-19Completely re-work how the Clang driver interprets PIC and PIE options.Chandler Carruth
There were numerous issues here that were all entangled, and so I've tried to do a general simplification of the logic. 1) The logic was mimicing actual GCC bugs, rather than "features". These have been fixed in trunk GCC, and this fixes Clang as well. Notably, the logic was always intended to be last-match-wins like any other flag. 2) The logic for handling '-mdynamic-no-pic' was preposterously unclear. It also allowed the use of this flag on non-Darwin platforms where it has no actual meaning. Now this option is handled directly based on tests of how llvm-gcc behaves, and it is only supported on Darwin. 3) The APIs for the Driver's ToolChains had the implementation ugliness of dynamic-no-pic leaking through them. They also had the implementation details of the LLVM relocation model flag names leaking through. 4) The actual results of passing these flags was incorrect on Darwin in many cases. For example, Darwin *always* uses PIC level 2 if it uses in PIC level, and Darwin *always* uses PIC on 64-bit regardless of the flags specified, including -fPIE. Darwin never compiles in PIE mode, but it can *link* in PIE mode. 5) Also, PIC was not always being enabled even when PIE was. This isn't a supported mode at all and may have caused some fallout in builds with complex PIC and PIE interactions. The result is (I hope) cleaner and clearer for readers. I've also left comments and tests about some of the truly strage behavior that is observed on Darwin platforms. We have no real testing of Windows platforms and PIC, but I don't have the tools handy to figure that out. Hopefully others can beef up our testing here. Unfortunately, I can't test this for every platform. =/ If folks have dependencies on these flags that aren't covered by tests, they may break. I've audited and ensured that all the changes in behavior of the existing tests are intentional and good. In particular I've tried to make sure the Darwin behavior (which is more suprising than the Linux behavior) also matches that of 'gcc' on my mac. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168297 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-18Remove redundant (duplicated) check.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168293 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-18Documentation parsing: propely handle a lone '\endverbatim' and emit a warning.Dmitri Gribenko
We actually used to assert on this. Thanks to NAKAMURA Takumi for noticing this! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168277 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17Clean up code according to coding standardsAndy Gibbs
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168274 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17objective-C: Do not issue deprecated warning about implementationFariborz Jahanian
of a deprecated method in original class (or category), only in overrides. // rdar://12717705 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168270 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17Fix crash on end-of-file after \ in a char literal, fixes PR14369.Nico Weber
This makes LexCharConstant() look more like LexStringLiteral(), which doesn't have this bug. Add tests for eof after \ for several other cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168269 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17Prevent premature macro expansion in __has_builtin, __has_feature,Andy Gibbs
__has_attribute, __has_extension, making them behave more akin to conventional macros. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168268 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17Made the "expected string literal" diagnostic more expressiveAndy Gibbs
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168267 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17Refactored duplicate string literal lexing code within Preprocessor, into aAndy Gibbs
common LexStringLiteral function. In doing so, some consistency problems have been ironed out (e.g. where the first token in the string literal was lexed with macro expansion, but subsequent ones were not) and also an erroneous diagnostic has been corrected. LexStringLiteral is complemented by a FinishLexStringLiteral function which can be used in the situation where the first token of the string literal has already been lexed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168266 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17Fix handling of invalid uses of the __has_warning builtin macroAndy Gibbs
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168265 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17Enable inlining of 4 byte atomic ops on ppc32, 8 byte atomic ops on ppc64.Benjamin Kramer
Also fixes a bit/byte mismatch when checking if a target supports atomic ops of a certain size. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168260 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17Further reduce "-fsyntax-only -Wuninitialized" time on sqlite3.c by another ↵Ted Kremenek
2.5% using intelligent pruning of blocks during the final reporting pass. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168257 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17Switch -Wuninitialized to use a reverse-post order traversal asTed Kremenek
an initial baseline for enqueued blocks, but use a simple DFS stack for propagating changes quickly up back edges. This provides a 3.5% reduction in -fsyntax-only time on sqlite3.c. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168241 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17Add missing features for misc x86 CPUs to CPU feature translation. Patch by ↵Eli Friedman
Jung-uk Kim. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168239 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17Clean up X86 target feature translation code slightly. No intended ↵Eli Friedman
functional change. Patch by Jung-uk Kim. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168237 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-16Revert r167799. It's not really correct, and it doesn't fix the problem that ↵Bill Wendling
it was intended to fix. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168217 91177308-0d34-0410-b5e6-96231b3b80d8
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