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2012-11-12Per discussion on cfe-dev, re-enable suppression of -Wimplicit-fallthrough ↵Ted Kremenek
on C, but also include dialects of C++ earlier than C++11. There was enough consensus that we *can* get a good language solution to have an annotation outside of C++11, and without this annotation this warning doesn't quite mean's completeness criteria for this kind of warning. For now, restrict this warning to C++11 (where an annotation exists), and make this the behavior for the LLVM 3.2 release. Afterwards, we will hammer out a language solution that we are all happy with. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167749 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12Update testcase to show that we don't emit an error for sizes <= 32-bits.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167748 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12If we encounter a fatal error, call the interrupt handler to ensure anyChad Rosier
temporary files are removed. rdar://12282296 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167741 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-1280 cols & unnecessary braces from r167736.David Blaikie
Post-commit review feedback by Eli Friedman. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167739 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12Correct printing of nested anonymous type member accesses.David Blaikie
Patch by Florent Bruneau! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167736 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12The register constraint could mean a 16- or 8-bit register.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167735 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12Check that the input size is correct for the given constraint.Bill Wendling
The 'a', 'c', and 'd' constraints on i386 mean a 32-bit register. We cannot place a 64-bit value into the 32-bit register. Error out instead of causing the compiler to spew general badness. <rdar://problem/12415959> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167717 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12Remove calls to getMostRecentDecl. The case they were added for in r117526 areRafael Espindola
now covered by attribute merging. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167714 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12In Sema::MergeVarDecl we handle merging of storage classes and visibilityRafael Espindola
attributes. In cases where the merged declaration is fully equivalent to the two original ones, some of the code was getLVForDecl was duplicated. Cases that are still handled in getLVForDecl are things like __private_extern__ int N; int N; For which we cannot produce a single merged decl with all the information. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167703 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12[NVPTX] Fix const modifier on builtinsJustin Holewinski
Some NVVM intrinsics were incorrectly labeled. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167700 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11Fix binding of nodes in case of forEach..() matchers.Daniel Jasper
When recursively visiting the generated matches, the aggregated bindings need to be copied during the recursion. Otherwise, we they might not be properly overwritten (which is shown by the test), or there might be bound nodes present that were bound on a different matching branch. Review: http://llvm-reviews.chandlerc.com/D112 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167695 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11Remove unneeded includes from IdentifierTableNico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167694 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11Delete comment reference to non-existent methodNico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167692 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11s/BCPLComment/LineComment/Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167690 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11FileCheckize testNico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167680 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-11Fix a typo which Matt pointed out.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167679 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10objective-C blocks: Change BLOCK_HAS_EXTENDED_LAYOUT to be 1<<31.Fariborz Jahanian
lower 24bit is currently being used. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167678 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10Rework my implementation of circular-reference finding to not useDouglas Gregor
CXXRecordDecl::forallBases, which does *not* do what I need. Fixes the failure introduced in r167651. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167668 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10Add clang support of RTM from TSXMichael Liao
- New options '-mrtm'/'-mno-rtm' are added to enable/disable RTM feature - Builtin macro '__RTM__' is defined if RTM feature is enabled - RTM intrinsic header is added and introduces 3 new intrinsics, namely '_xbegin', '_xend', and '_xabort'. - 3 new builtins are added to keep compatible with gcc, namely '__builtin_ia32_xbegin', '__builtin_ia32_xend', and '__builtin_ia32_xabort'. - Test cases for pre-defined macro and new intrinsic codegen are added. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167665 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10-momit-leaf-frame-pointer is a -m option, not a -f option.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167664 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10Revert "Disable -Wimplicit-fallthrough when not using C++.", pending further ↵Ted Kremenek
discussion on cfe-dev. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167662 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10Add a few more test cases for verifying -fno-builtin.Meador Inge
Some holes in testing where discovered while working on the LLVM library call simplifiers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167661 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10Disable -Wimplicit-fallthrough when not using C++.Ted Kremenek
The rationale is that there is no good workflow to silence the warning for specific cases, other than using pragmas. This is because the attribute to decorate an explicit fall through is only available in C++11. By that argument, this should probably also be disabled unless one is using C++11, but apparently there is an explicit test case for this warning when using C++98. This will require further discussion on cfe-commits. Fixes: <rdar://problem/12584746> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167655 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10[analyzer] When invalidating symbolic offset regions, take fields into account.Jordan Rose
Previously, RegionStore was being VERY conservative in saying that because p[i].x and p[i].y have a concrete base region of 'p', they might overlap. Now, we check the chain of fields back up to the base object and check if they match. This only kicks in when dealing with symbolic offset regions because RegionStore's "base+offset" representation of concrete offset regions loses all information about fields. In cases where all offsets are concrete (s.x and s.y), RegionStore will already do the right thing, but mixing concrete and symbolic offsets can cause bindings to be invalidated that are known to not overlap (e.g. p[0].x and p[i].y). This additional refinement is tracked by <rdar://problem/12676180>. <rdar://problem/12530149> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167654 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10Handle redeclarations of catch variables in catch blocks.David Blaikie
Fix to regression caused by r167650, caught by Richard Smith in code review. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167653 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10Diagnostic circular inheritance involving dependent base classes. WeDouglas Gregor
would have diagnosed this at instantiation time anyway, if only we didn't hang on all of these test cases. Fixes <rdar://problem/12629723> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167651 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10PR14296: function parameter name collisions in function try/catchDavid Blaikie
C++11 3.3.3/2 "A parameter name shall not be redeclared in the outermost block of the function definition nor in the outermost block of any handler associated with a function-try-block." It's not totally clear to me whether the "FIXME" case is covered by this, but Richard Smith thinks it probably should be. It's just a bit more involved to fix that case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167650 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-10Make __LDBL_MAX__ etc. have the correct type on targets where long ↵Eli Friedman
double/double/etc. have the same format. PR14285. Based on patch by Jeroen Dobbelaere. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167649 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09-Wobjc-literal-compare: look through implicit casts.Jordan Rose
This warning was failing to fire under ARC because of the implicit lifetime casts added around the object literal expression. <rdar://problem/11300873>, again. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167648 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09[NVPTX] Add __nvvm_* intrinsics as Clang builtinsJustin Holewinski
Fixes bug 13354. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167647 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Document -W in clang --help. Also make the help text more consistent (don't ↵Richard Smith
end descriptions in periods, use | to separate possible values). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167645 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Don't include the help for -mips* in clang --help. These are just aliases ↵Richard Smith
for other options, and not common enough to be worth including here. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167644 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09-Wlarge-by-value-copy may be awesome, but it really shouldn't be the one andRichard Smith
only -W flag which clang --help lists. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167643 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09PR13788: Don't perform checks on the initializer of a dependently-typedRichard Smith
variable. Previously we didn't notice the type was dependent if the only dependence came from an array bound. Patch by Brian Brooks! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167642 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Remove leftover code.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167641 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Add lldb data formatters for clang classes, starting with SourceLocation.Argyrios Kyrtzidis
When installed, instead of getting this: (lldb) p Tok.Loc (clang::SourceLocation) $0 = { (unsigned int) ID = 123582 } you'll get: (lldb) p Tok.Loc (clang::SourceLocation) $4 = "/usr/include/i386/_types.h:37:1" (offset: 123582, file) This depends on r167629. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167640 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Remove --help text for deprecated sanitizer options, add --help text for ↵Richard Smith
-fsanitize=. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167639 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09PR14303: Add a NoDriverOption flag to those options which are not accepted byRichard Smith
the driver (the options defined in CC1Options.td) and exclude their help from "clang --help". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167638 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Add string to try and fix build from r167629.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167631 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Add a SourceLocation::printToString() that returns in a std::string what dump()Argyrios Kyrtzidis
writes to stderr; for debugging purposes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167629 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Add a FileCharacteristic parameter to SourceManager::createFileIDForMemBufferArgyrios Kyrtzidis
for completeness and use it in CompilerInstance::InitializeSourceManager if the input is a memory buffer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167628 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Turn FrontendInputFile into an immutable class and have it also acceptArgyrios Kyrtzidis
a memory buffer instead of only a filename. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167627 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Make CompilerInstance::InitializeSourceManager accept a FrontendInputFile,Argyrios Kyrtzidis
no functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167626 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Don't use so many bits.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167624 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Implement -mstrict-align using '-backend-option -arm-strict-align' as this savesChad Rosier
us from having to make any backend changes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167623 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Add test case for r167619.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167621 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09[driver] Add a -mstrict-align compiler option for ARM targets.Chad Rosier
rdar://12340498 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167619 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Improved support for removing the comma preceding __VA_ARGS__ where __VA_ARGS__Andy Gibbs
is empty in a variadic macro expansion. This fixes a divergence in support for the ", ## __VA_ARGS__" GCC extension which differed in behaviour when in strict C99 mode (note: there is no change in behaviour has been made in the gnu99 mode that clang uses by default). In addition, there is improved support for the Microsoft alternative extension ", __VA_ARGS__". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167613 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Use isInvalidDecl() instead of isStatic() as suggested by dblaikie.Nico Weber
I couldn't think of a way to make an operator() invalid without returning earlier from this function other than making it static, so no new test. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167609 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-09Don't crash on calling static member overloaded operator, PR14120Nico Weber
Patch from Brian Brooks! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167604 91177308-0d34-0410-b5e6-96231b3b80d8
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