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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
2012-01-24Add a test for a diagnostic special case added in r148439, as requested byRichard Smith
Francois Pichet. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148784 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Reword/rename -Wswitch-unreachable-default.David Blaikie
Rewording the diagnostic to be more precise/correct: "default label in switch which covers all enumeration values" and changed the switch to -Wcovered-switch-default git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148783 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Improve -Wswitch-enum diagnostic message.David Blaikie
Changing wording to include the word "explicitly" (as in "enumeration value ... not /explicitly/ handled by switch"), as suggested by Richard Smith. Also, now that the diagnostic text differs between -Wswitch and -Wswitch-enum, I've simplified the test cases a bit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148781 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Revert various template unreachability code I committed accidentally.David Blaikie
r148774, r148775, r148776, r148777 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148780 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24More fixes/tests.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148777 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Test for the previous commit/crash.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148776 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Support undefined dependent bases.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148775 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Simple hack to do unreachable code analysis on template patterns.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148774 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Rename Sema::isNullExpr() -> Sema::isSentinelNullExpr() which is more ↵Argyrios Kyrtzidis
descriptive. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148772 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24Make driver tests more resilient to output trees containing symlinks --Chandler Carruth
the tests are making assertions about the name of the clang binary, so we should ensure that the name is as stable as possible. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148767 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24In CXXRecordDecl::isCLike(), also check for PODness.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148765 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-24objective-c: Ignore with warning forward class declaration whose nameFariborz Jahanian
matches a typedef declaring an object type. // rdar://10733000 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148760 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Make sure the integer type used to align the vaarg address is the same as theAkira Hatanaka
type of pointers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148753 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23fixes location of "availability" attribute so warning is displayed atFariborz Jahanian
its line. // rdar://10711037 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148747 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Ignore return type if its size is zero.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148744 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Remove extraneous ';'.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148739 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Minor fixups for auto deduction of initializer lists.Sebastian Redl
Fix some review comments. Add a test for deduction when std::initializer_list isn't available yet. Fix redundant error messages. This fixes and outstanding FIXME too. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148735 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23[libclang] For:Argyrios Kyrtzidis
@implementation I(cat) suppress subsequent references to 'I'. rdar://10568103 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148730 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Introduce Sema::isNullExpr() that contains the checks thatArgyrios Kyrtzidis
Sema::DiagnoseSentinelCalls() does. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148722 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23In CorrectTypo, use the cached correction as a starting point instead.Kaelyn Uhrain
Previously, for unqualified lookups, a positive cache hit is used as the only non-keyword correction and a negative cache hit immediately returns an empty TypoCorrection. With the new callback objects, this behavior causes false negatives by not accounting for the fact that callback objects alter the set of potential/allowed corrections. The new behavior is to seed the set of corrections with the cached correction (for positive hits) to estabilishing a baseline edit distance. Negative cache hits are only stored or used when either no callback object is provided or when it returns true for a call to ValidateCandidate with an empty TypoCorrection (i.e. when ValidateCandidate does not seem to be doing any checking of the TypoCorrection, such as when an instance of the base callback class is used solely to specify the set of keywords to be accepted). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148720 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23[asan] document the need for -fno-optimize-sibling-callsKostya Serebryany
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148716 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Fix a typo: _MM_FLUSH_ZERO_OFF has the wrong value. rdar://10716672Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148711 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Introduce CXXRecordDecl::isCLike() that is true if the class is C-like,Argyrios Kyrtzidis
without C++-specific features. Use it to set the language to C++ when indexing non-C-like structs. rdar://10732579 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148708 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23[libclang] Index C++ template specializations, rdar://10732708Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148707 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23[libclang] Index namespaces in C++ qualified lookup of members, rdar://10732798Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148706 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23[libclang] Index C++ constructor initializers, rdar://10732164Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148705 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Improve Lexer::getImmediateMacroName to take into account inner macrosArgyrios Kyrtzidis
of macro arguments. For "MAC1( MAC2(foo) )" and location of 'foo' token it would return "MAC1" instead of "MAC2". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148704 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Handle pseudo-object expressions (and any other placeholderDouglas Gregor
expression) when code-completing member access expressions. Fixes <rdar://problem/10717172>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148703 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Add -Wnarrowing as an alias for -Wc++11-narrowing, for better GCCDouglas Gregor
compatibility. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148702 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Downgrade C++11 narrowing conversion errors to warnings default-mappedDouglas Gregor
to an error, so that users can turn them off if necessary. Note that this does *not* change the behavior of in a SFINAE context, where we still flag an error even if the warning is disabled. This matches GCC's behavior. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148701 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Add support for -fno-optimize-sibling-calls. Currently only implemented in theNick Lewycky
X86 backend in LLVM. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148689 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Add a source range to the ms path. Spotted by David Blaikie.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148683 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23In microsoft mode, downgrade pseudo-destructors on void from error to warning.Nico Weber
This matches cl.exe's behavior and fixes PR11791. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148682 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Rename -Wswitch-enum-redundant-default to -Wswitch-redundant-default.David Blaikie
This is for consistency, since the flag is actually under -Wswitch now, rather than -Wswitch-enum (since it's really valuable for the former and rather orthogonal to the latter) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148680 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Implement -Wswitch-enum correctly.David Blaikie
Clang previously implemented -Wswitch-enum the same as -Wswitch. This patch corrects the behavior to match GCC's. The critical/only difference being that -Wswitch-enum is not silenced by the presence of a default case in the switch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148679 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Convert file from 60% unix 40% dos line endings to 100% unix line endings.Nico Weber
No other changes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148678 91177308-0d34-0410-b5e6-96231b3b80d8
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