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2012-01-25Fix a crash for an edge case of the GNU ?: extension.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148923 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Fix r148920 to what I actually meant to commit.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148921 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Add missing check for placeholders.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148920 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Represent 256-bit unaligned loads natively and remove the builtins. Similar ↵Craig Topper
change was made for 128-bit versions a while back. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148919 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25In TreeTransform<Derived>::TransformBlockExpr, call ActOnBlockError for errors,Argyrios Kyrtzidis
patch by Dmitri Gribenko. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148915 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Revert 148902 which was part of 148901 which was reverted in r148906.Argyrios Kyrtzidis
Original log: use the new ConstantVector::getSplat method where it makes sense. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148907 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Fix PR11848: decree that an alias template contains an unexpanded parameter packRichard Smith
iff its substitution contains an unexpanded parameter pack. This has the effect that we now reject declarations such as this (which we used to crash when expanding): template<typename T> using Int = int; template<typename ...Ts> void f(Int<Ts> ...ints); The standard is inconsistent on how this case should be treated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148905 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Refactor the record decl forward declaration code a bit.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148904 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Typo.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148903 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25use the new ConstantVector::getSplat method where it makes sense.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148902 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25With a little more work in the tentative parse determining whether a statementNick Lewycky
is a declaration-stmt or an expression, we can discern a subset of cases where the user erred in omitting the typename keyword before a dependent type name. Fixes PR11358! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148896 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Introduce a generation number for selector lookups in the globalDouglas Gregor
method pool, so that we don't perform the same lookups into the same PCH/module file repeatedly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148895 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Only try to import a definition if there is an definition to import.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148894 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Make sure we correctly treat __is_convertible_to as an unevaluated context. ↵Eli Friedman
PR11833. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148893 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Fix test on cygwin (where va_list expands to a different type)Jean-Daniel Dupas
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148892 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Whenever Sema attempts to look in the global method pool, try to loadDouglas Gregor
additional data from the external Sema source. This properly copes with modules that are imported after we have already searched in the global method pool for a given selector. For PCH, it's a slight pessimization to be fixed soon. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148891 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Add "multiple format attributes" support on block.Jean-Daniel Dupas
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148890 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Rework the external Sema source's ReadMethodPool() so that it doesn'tDouglas Gregor
return pre-built lists. Instead, it feeds the methods it deserializes to Sema so that Sema can unique them, which keeps the chains shorter. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148889 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Reduce peak memory usage of the static analyzer on sqlite3 (when using ↵Ted Kremenek
inlining) by 30%. This is accomplished by periodically reclaiming nodes in the graph. This was an optimization done before the CFG was linearized, but the CFG linearization destroyed that optimization since each freshly created node couldn't be reclaimed and we only looked at a window of nodes created between each ProcessStmt. This optimization can be reclaimed my merely expanding the window to N number of nodes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148888 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25arc migrator: Provide infrastructure to add optionsFariborz Jahanian
specific to migrator. Use its first option to warn migrating from GC to arc when NSAllocateCollectable/NSReallocateCollectable is used. // rdar://10532541 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148887 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Factor out the addition of a method into the global method pool, andDouglas Gregor
teach it to always add the new method at the *end* of the list rather than as the second element in the list. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148886 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Fix NSLog format string checking for %@.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148885 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Switch PerformImplicitConversion over to use DefaultLvalueConversion for ↵Eli Friedman
lvalue-to-rvalue conversion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148874 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Replace a hack to handle NSLog/NSLogv in sema by declaring them as Library ↵Jean-Daniel Dupas
Builtins. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148873 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Remove trailing slash in front of header name of ObjC builtins.Jean-Daniel Dupas
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148872 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24[analyzer] Add the HTML file to the SATest diagnostic diff.Anna Zaks
(Uses the functionality which has been in CmpRuns long before.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148868 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24[analyzer] Testing: make diagnostic diffs more informative (addAnna Zaks
diagnostic message). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148867 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24[libclang] In clang::getCursorKindForDecl() don't return "UnexposedDecl"Argyrios Kyrtzidis
for forward references of classes and protocols, this breaks libclang API usage. rdar://10747438. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148861 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Teach scanf/printf checking about '%Ld' and friends (a GNU extension). ↵Ted Kremenek
Fixes PR 9466. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148859 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Force triple on these tests to pacify the windows tester.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148858 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Add a new warning, -Wover-aligned, which detects attempts to use the defaultNick Lewycky
allocator to construct an object which declares more alignment than the default allocator actually provides. Fixes PR9527! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148857 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Fix one of the (larger) FIXMEs where we were misusing the Driver's ideaChandler Carruth
of the target triple to stand in for the "host" triple. Thanks to a great conversation with Richard Smith, I'm now much more confident in how this is proceeding. In all of the places where we currently reason about the "host" architecture or triple, what we really want to reason about in the detected GCC installation architecture or triple, and the ways in which that differs from the target. When we find a GCC installation with a different triple from our target *but capable of targeting our target* through an option such as '-m64', we want to detect *that* case and change the paths within the GCC installation (and libstdc++ installation) to reflect this difference. This patch makes one function do this correctly. Subsequent commits will hoist the logic used here into the GCCInstallation utility, and then reuse it through the rest of the toolchains to fix the remaining places where this is currently happening. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148852 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Small code cleanup/simplification in Sema::ClassifyName.Kaelyn Uhrain
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148850 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24[libclang] When calling clang_getCursorReferenced on a class or protocolArgyrios Kyrtzidis
forward reference, do give an interface or protocol cursor back, don't give an 'UnexposedDecl' one. rdar://10743193 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148848 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24objc: Issue a generic diagnostic assigning to Fariborz Jahanian
an objc object in any abi mode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148847 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24[analyzer] Add more C taint sources/sinks.Anna Zaks
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148844 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Address one part of the FIXME I introduced my switching the tripleChandler Carruth
inside of GCCInstallation to be a proper llvm::Triple. This is still a touch ugly because we have to use it as a string in so many places, but I think on the whole the more structured representation is better. Comments of course welcome if this tradeoff isn't working for folks. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148843 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24The following patch adds __attribute__((no_address_safety_analysis)) which ↵Kostya Serebryany
will allow to disable address safety analysis (such as e.g. AddressSanitizer or SAFECode) for a specific function. When building with AddressSanitizer, add AddressSafety function attribute to every generated function except for those that have __attribute__((no_address_safety_analysis)). With this patch we will be able to 1. disable AddressSanitizer for a particular function 2. disable AddressSanitizer-hostile optimizations (such as some cases of load widening) when AddressSanitizer is on. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148842 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24At least within these classes, consistently spell 'GCC' as 'GCC'.Chandler Carruth
I can't read Java-style 'Gcc' acronyms. ;] No functionality changed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148840 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Start hoisting the logic for computing the target triple into its ownChandler Carruth
function. The logic for this, and I want to emphasize that this is the logic for computing the *target* triple, is currently scattered throughout various different HostInfo classes ToolChain factoring functions. Best part, it is largely *duplicated* there. The goal is to hoist all of that up to here where we can deal with it once, and in a consistent manner. Unfortunately, this uncovers more fun problems: the ToolChains assume that the *actual* target triple is the one passed into them by these factory functions, while the *host* triple is the one in the driver. This already was a lie, and a damn lie, when the '-target' flag was specified. It only really worked when the difference stemmed from '-m32' and '-m64' flags. I'll have to fix that (and remove all the FIXMEs I've introduced here to document the problem) before I can finish hoisting the target-calculation logic. It's bugs all the way down today it seems... git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148839 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Promote the extension warning for attempts to catch a reference orDouglas Gregor
pointer to incomplete type from an ExtWarn to an error. We put the ExtWarn in place as part of a workaround for Boost (PR6527), but it (1) doesn't actually match a GCC extension and (2) has been fixed for two years in Boost, and (3) causes us to emit code that fails badly at run time, so it's a bad idea to keep it. Fixes PR11803. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148838 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24When importing a RecordDecl as a DeclContext, make sure that we pullDouglas Gregor
in the definition as well. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148831 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24objc: issue error if assigning objects in fragile-abi too.Fariborz Jahanian
// rdar://10731065 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148823 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Teach the AST importer about redeclaration chains for Objective-CDouglas Gregor
classes and protocols, implementing lazy-import semantics for both. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148816 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Only mark an IdentifierInfo as having changed since deserializationDouglas Gregor
when it actually has changed (and not, e.g., when we've simply attached a deserialized macro definition). Good for ~1.5% reduction in module file size, mostly in the identifier table. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148808 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24On Darwin, use the system's <unwind.h> whenever it isDouglas Gregor
available. Clang's <unwind.h> isn't ready for prime time. Fixes <rdar://problem/10733587>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148807 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Remove HostInfo::useDriverDriver(). This was only used in two placesChandler Carruth
inside the innards of the Driver implementation, and only ever implemented to return 'true' for the Darwin OSes. Instead use a more direct query on the target triple and a comment to document why the target matters here. If anyone is worried about this predicate getting wider use or improper use, I can make it a local or private predicate in the driver. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148797 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Hoist the targeted triple object into an actual object in the Driver.Chandler Carruth
The Driver has a fixed target, whether we like it or not, the DefaultTargetTriple is not a default. This at least makes things more honest. I'll eventually get rid of most (if not all) of DefaultTargetTriple with this proper triple object. Bit of a WIP. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148796 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Support decltype in member initializers.David Blaikie
This is the last piece of N3031 (decltype in weird places) - supporting the use of decltype in a class ctor's member-initializer-list to specify the base classes to initialize. Reviewed by Richard Smith. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148789 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Support decltype as a simple-type-specifier.David Blaikie
This makes all sorts of fun examples work with decltype. Reviewed by Richard Smith. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148787 91177308-0d34-0410-b5e6-96231b3b80d8
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