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2012-01-29Also require a proper shellDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149201 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-29Ensure that we clean up after a failed module build and cope with theDouglas Gregor
results in libclang. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149200 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-29Implement code completion support for module import declarations, e.g.,Douglas Gregor
@import <complete with module names here> or @import std.<complete with submodule names here> Addresses <rdar://problem/10710117>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149199 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-29Rework HeaderSearch's interface for getting a module from a name andDouglas Gregor
for getting the name of the module file, unifying the code for searching for a module with a given name (into lookupModule()) and separating out the mapping to a module file (into getModuleFileName()). No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149197 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-29Test module lookup within a subdirectory of a normal include directory.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149196 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-29When emitting an ARC epilogue that looks like a return of 'self',John McCall
kill the retain from the return site. This has the workaround nature. It's badness all around. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149193 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-29Get a little bit smarter about killing off the ReturnValue allocaJohn McCall
in the presence of straight-line cleanups. This is a simple but important case, particularly for ARC. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149190 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-29Complain about attempts to use 'protected' visibility on targetsJohn McCall
like Darwin that don't support it. We should also complain about invalid -fvisibility=protected, but that information doesn't seem to exist at the most appropriate time, so I've left a FIXME behind. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149186 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-28objc-arc: Perform null check on receiver before sending methods whichFariborz Jahanian
consume one or more of their arguments. If not done, this will cause a leak as method will not consume the argument when receiver is null. // rdar://10444474 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149184 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-28Make the __builtin_c[lt]zs builtins target independent.Benjamin Kramer
There is really no reason to have these only available on x86. It's just __builtin_c[tl]z for shorts. Modernize the test while at it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149183 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-28Use defined-at-zero behavior for CLZ/CTZ builtins on PowerPC.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149181 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-28StaticAnalyzer: Move ObjC- and CXX-specific methods out of line so checkers ↵Benjamin Kramer
that don't care about the language don't have to pull in all the headers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149178 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-28Added tests for template keyword presence.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149177 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-28DiagnosticsEngine::setMappingToAllDiagnostics() does not need to return bool,Argyrios Kyrtzidis
caught by Chad. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149173 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-28Allow the external AST source to provide a layout without specifyingDouglas Gregor
the alignment (because it's not encoded in DWARF). In this case, make an educated guess at the alignment. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149161 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-27Remove the "C" in "implicitly declaring C library function" diagnosticJean-Daniel Dupas
because all functions are not C functions (i.e. NSLog). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149150 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-27Introduce module attributes into the module map grammar, along with aDouglas Gregor
single attribute ("system") that allows us to mark a module as being a "system" module. Each of the headers that makes up a system module is considered to be a system header, so that we (for example) suppress warnings there. If a module is being inferred for a framework, and that framework directory is within a system frameworks directory, infer it as a system framework. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149143 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-27Added source location for the template keyword in AST template-id expressions.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149127 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-27Remove redundant checks.Jean-Daniel Dupas
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149125 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-27Avoid redundant NNS qualification in constructor/destructor names.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149124 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-27Add test for -Wno-everything.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149123 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-27Due to a bug, -Wno-everything works like -Weverything. Fix the bug by havingArgyrios Kyrtzidis
-Wno-everything remap all warnings to ignored. We can now use "-Wno-everything -W<warning>" to ignore all warnings except specific ones. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149121 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-27In FixItRecompile::BeginInvocation() reset the diagnostics before executingArgyrios Kyrtzidis
the original action. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149120 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-27Reimplement (de-)serialization of Objective-C categories to eliminateDouglas Gregor
the direct serialization of the linked-list structure. Instead, use a scheme similar to how we handle redeclarations, with redeclaration lists on the side. This addresses several issues: - In cases involving mixing and matching of many categories across many modules, the linked-list structure would not be consistent across different modules, and categories would get lost. - If a module is loaded after the class definition and its other categories have already been loaded, we wouldn't see any categories in the newly-loaded module. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149112 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-27Be sure to emit delayed diagnostics after parsing the declarationJohn McCall
of a for-range variable. Fixes PR11793. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149109 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-27constexpr: Implement the [dcl.constexpr]p5 check for whether a constexprRichard Smith
function definition can produce a constant expression. This also provides the last few checks for [dcl.constexpr]p3 and [dcl.constexpr]p4. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149108 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-27In FixItRecompile::BeginInvocation(), check the return value of ↵Argyrios Kyrtzidis
BeginSourceFile(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149107 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-27Placate gcc's -Wreturn-typeMatt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149104 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-27test/Driver/prefixed-tools.c: Disable this on win32 hosts, msvc and mingw.NAKAMURA Takumi
It had failed on Win32 due to inability of executing shell scripts. Still it fails even with mingw MSYS bash. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149100 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-27test/Driver/prefixed-tools.c: Fix newline at end-of-file.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149099 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Turn off implicit truncation warning for compound assignment to bitfields; ↵Eli Friedman
it might be reasonable in some cases, but it clearly doesn't make sense in some cases, like the included testcase. <rdar://problem/10238797>, part 2. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149095 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Teach ccc-analyzer about -fobjc-abi-version.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149094 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Make the bitfield implicit truncation warning slightly more aggressive, and ↵Eli Friedman
make the printed warning a bit more accurate. The new behavior matches gcc's -Wconversion. <rdar://problem/10238797>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149089 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Remove the ToolTriple logic in NetBSD, which was completely broken byJoerg Sonnenberger
the recent refactoring. All interesting NetBSD release have a GNU as version on i386 that supports --32, so don't bother with the conditional setting of it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149087 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Make clz/ctz builtins defined for zero on ARM targets. rdar://10732455Bob Wilson
ARM supports clz and ctz directly and both operations have well-defined results for zero. There is no disadvantage in performance to using the defined-at-zero versions of llvm.ctlz/cttz intrinsics. We're running into ARM-specific code written with the assumption that __builtin_clz(0) == 32, even though that value is technically undefined. The code is failing now because of llvm optimizations that are taking advantage of the undef behavior (specifically svn r147255). There's nothing wrong with that optimization on x86 where any incorrect assumptions about __builtin_clz(0) will quickly be exposed. For ARM, though, optimizations based on that undef behavior are likely to cause subtle bugs. Other targets with defined-at-zero clz/ctz support may want to override the default behavior as well. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149086 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Remove obviously incorrect branch.Joerg Sonnenberger
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149084 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Keep track of the original target the user specified beforeJoerg Sonnenberger
normalization. This used to be captured in DefaultTargetTriple and is used for the (optional) $triple-$tool lookup for cross-compilation. Do this properly by making it an attribute of the toolchain and use it in combination with the computed triple as index for the toolchain lookup. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149083 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Change references to 'const ProgramState *' to typedef 'ProgramStateRef'.Ted Kremenek
At this point this is largely cosmetic, but it opens the door to replace ProgramStateRef with a smart pointer that more eagerly acts in the role of reclaiming unused ProgramState objects. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149081 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26objc-arc: introduce -no-finalize-removal which in gc mode,Fariborz Jahanian
leaves "finalize' behind and in arc mode, does not include it. This allows the migrated source to be compiled in both gc and arc mode. // rdar://10532441 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149079 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Don't suppress access-control or invalid-type diagnostics from aJohn McCall
declarator just because we were able to build an invalid decl for it. The invalid-type diagnostics, in particular, are still useful to know, and may indicate something about why the decl is invalid. Also, recover from an illegal pointer/reference-to-unqualified-retainable type using __strong instead of __autoreleasing; in general, a random object is much more likely to be __strong, so this avoids unnecessary cascading errors in the most common case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149074 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Try harder to get X7 definedDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149072 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Change HasMutableFields to HasOnlyCMembers and consider that a tag insideArgyrios Kyrtzidis
another tag does not break C-like-ness. rdar://10756831 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149071 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Don't separately serialize the list of instance variables in anDouglas Gregor
Objective-C class. The AST reader just throws away this data anyway! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149067 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Force layout of more of the unions and structures in this testDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149066 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26objc: 'id' and block pointer compare in mergeTypes isFariborz Jahanian
made symmetrical. // rdar://10734265 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149065 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26AST/ExprConstant.cpp: Silence a warning on ms cl.exe. "bool" does not prefer ↵NAKAMURA Takumi
to be compared to integer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149059 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Suppress any warnings from this test. They aren't interesting, and theyChandler Carruth
end up in the same output file as the layout stuff. There may even be a race condition which is causing this output to confuse the FileCheck in some cases. I actually don't know how on earth the parsing of the layout file even works given that there are diagnostics in the middle of it. ;] git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149058 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Extend the ExternalASTSource interface to allow the AST source toDouglas Gregor
provide the layout of records, rather than letting Clang compute the layout itself. LLDB provides the motivation for this feature: because various layout-altering attributes (packed, aligned, etc.) don't get reliably get placed into DWARF, the record layouts computed by LLDB from the reconstructed records differ from the actual layouts, and badness occurs. This interface lets the DWARF data drive layout, so we don't need the attributes preserved to get the answer write. The testing methodology for this change is fun. I've introduced a variant of -fdump-record-layouts called -fdump-record-layouts-simple that always has the simple C format and provides size/alignment/field offsets. There is also a -cc1 option -foverride-record-layout=<file> to take the output of -fdump-record-layouts-simple and parse it to produce a set of overridden layouts, which is introduced into the AST via a testing-only ExternalASTSource (called LayoutOverrideSource). Each test contains a number of records to lay out, which use various layout-changing attributes, and then dumps the layouts. We then run the test again, using the preprocessor to eliminate the layout-changing attributes entirely (which would give us different layouts for the records), but supplying the previously-computed record layouts. Finally, we diff the layouts produced from the two runs to be sure that they are identical. Note that this code makes the assumption that we don't *have* to provide the offsets of bases or virtual bases to get the layout right, because the alignment attributes don't affect it. I believe this assumption holds, but if it does not, we can extend LayoutOverrideSource to also provide base offset information. Fixes the Clang side of <rdar://problem/10169539>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149055 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Use createRecordFwdDecl here since that's what we're doing.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149051 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-26Revert previous patch unifying all of the C++ record prep in one area,Eric Christopher
the gdb testsuite complains too much about the ordering of items printed, even if the offsets in the debug info are correct. This reverts commit 027cb30af828f07750f9185782822297a5c57231. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149049 91177308-0d34-0410-b5e6-96231b3b80d8
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