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2013-04-16Implement CapturedStmt ASTTareq A. Siraj
CapturedStmt can be used to implement generic function outlining as described in http://lists.cs.uiuc.edu/pipermail/cfe-dev/2013-January/027540.html. CapturedStmt is not exposed to the C api. Serialization and template support are pending. Author: Wei Pan <wei.pan@intel.com> Differential Revision: http://llvm-reviews.chandlerc.com/D370 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179615 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-16Fix handling of atomic shift operations, from Serge Pavlov.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179600 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-16Suppress unused warning on static inline function template specializations.Rafael Espindola
Patch by Halfdan Ingvarsson! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179598 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-16Basic support for Microsoft property declarations andJohn McCall
references thereto. Patch by Tong Shen! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179585 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-16Correctly propagate the storage class to function template instantiations.Rafael Espindola
This fixes pr15753. This is another case of the fuzzy definition of the "as written" storage class of an instantiation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179581 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-15Remove some dead code that has not been used since 2010.Joey Gouly
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179558 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-15Remove hasExternalLinkageUncached.Rafael Espindola
It was being used correctly, but it is a very dangerous API to have around. Instead, move the logic from the filtering to when we are deciding if we should link two decls. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179523 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-15Fix the storage class of method instantiations.Rafael Espindola
We keep the "as written" storage class, but that is a fuzzy concept for instantiations. With this patch instantiations of methods of class templates now get a storage class that is based on the semantics of isStatic(). With this can simplify isStatic() itself. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179521 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-15Local thread_local variables are implicitly 'static'. (This doesn't apply to ↵Richard Smith
_Thread_local nor __thread.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179517 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-15Properly check for a constant initializer for a thread-local variable.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179516 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-14Diagnose if a __thread or _Thread_local variable has a non-constant initializerRichard Smith
or non-trivial destructor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179491 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-14Handle incompatible redeclarations of library builtins better.John McCall
Invalid redeclarations of valid explicit declarations shouldn't take the same path as redeclarations of implicit declarations, and invalid local extern declarations shouldn't foul things up for everybody else. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179482 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-13Annotate flavor of TLS variable (statically or dynamically initialized) onto ↵Richard Smith
the AST. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179447 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-13Don't replace an existing decl in the scope chains with itsJohn McCall
local-extern redeclaration; type refinements, default arguments, etc. must all be locally scoped. rdar://13535367 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179430 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-12Parsing support for thread_local and _Thread_local. We give them the sameRichard Smith
semantics as __thread for now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179424 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-12Sema: Give a typically small DenseMap some inline capacity.Benjamin Kramer
Also reflow code a bit, no change in functionality. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179382 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-11Drop ObjCIndirectCopyRestoreExprs during template instantiation.John McCall
It's a kind of implicit conversion, which we generally drop, but more importantly it's got very specific placement requirements. rdar://13617051 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179254 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-11Force a load when creating a reference to a temporary copied from a bitfield.Jordan Rose
For this source: const int &ref = someStruct.bitfield; We used to generate this AST: DeclStmt [...] `-VarDecl [...] ref 'const int &' `-MaterializeTemporaryExpr [...] 'const int' lvalue `-ImplicitCastExpr [...] 'const int' lvalue <NoOp> `-MemberExpr [...] 'int' lvalue bitfield .bitfield [...] `-DeclRefExpr [...] 'struct X' lvalue ParmVar [...] 'someStruct' 'struct X' Notice the lvalue inside the MaterializeTemporaryExpr, which is very confusing (and caused an assertion to fire in the analyzer - PR15694). We now generate this: DeclStmt [...] `-VarDecl [...] ref 'const int &' `-MaterializeTemporaryExpr [...] 'const int' lvalue `-ImplicitCastExpr [...] 'int' <LValueToRValue> `-MemberExpr [...] 'int' lvalue bitfield .bitfield [...] `-DeclRefExpr [...] 'struct X' lvalue ParmVar [...] 'someStruct' 'struct X' Which makes a lot more sense. This allows us to remove code in both CodeGen and AST that hacked around this special case. The commit also makes Clang accept this (legal) C++11 code: int &&ref = std::move(someStruct).bitfield PR15694 / <rdar://problem/13600396> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179250 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-10Add an option to parse all comments as documentation commentsDmitri Gribenko
Patch by Amin Shali. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179180 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-10Handle "typeof" in Objective-C format string checking. This previously crashed.Ted Kremenek
Yes, this came from actual code. Fixes <rdar://problem/13557053>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179155 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-10Add support for computing the exception specification for an inheritingRichard Smith
constructor. This isn't quite perfect (as usual, we don't handle default arguments correctly yet, and we don't deal with copy/move constructors for arguments correctly either, but this will be fixed when we implement core issue 1351. This completes our support for inheriting constructors. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179154 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-10C++11 inheriting constructors: support for inheriting constructor templates.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179151 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-10<rdar://problem/13605348> Don't consider invalid user-defined literal ↵Douglas Gregor
operators during overload resolution. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179150 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-10Suppress -Wunused-variable for variables declared in headers, which may inMatt Beaumont-Gay
fact be defined and used in another TU. Reshuffle some test cases because we suppress -Wunused-variable after we've emitted an error. This fixes PR15558. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179138 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-09Objective-C: This patch fixes a none-issuance of warningFariborz Jahanian
when result type of protocol property and getter method differ by fixing a more serious problem. When a forward protocol declaration comes between its definition and its use in class protocol list, the forward protocol ast was being used in building the protocol list. // rdar://12522752 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179108 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-09When checking for illegal expressions in a default-argumentJohn McCall
expression, look through pseudo-object expressions. rdar://13602832 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179080 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-09Skip transparent contexts when looking for using directives in name lookup.Douglas Gregor
Fixes the bootstrap regression I introduced in r179067. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179079 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-09Mark as referenced the functions from instantiated UserDefinedLiterals.Argyrios Kyrtzidis
Fixes rdar://13589856 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179078 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-08<rdar://problem/13584715> Converted constant expressions are expected to ↵Douglas Gregor
have integral values. We were assuming that any expression used as a converted constant expression would either not have a folded constant value or would be an integer, which is not the case for some ill-formed constant expressions. Because converted constant expressions are only used where integral values are expected, we can simply treat this as an error path. If that ever changes, we'll need to widen the interface of Sema::CheckConvertedConstantExpression() anyway. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179068 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-08<rdar://problem/13540899> Collect using directives from all of the semantic ↵Douglas Gregor
contexts not represented by scopes. This fixes a regression I introduced in r178136, where we would not consider the using directives from the semantic declaration contexts that aren't represented by the lexical scopes (Scope) when performing unqualified name lookup. This lead to horribly funny diagnostics like "no identifier named 'foo'; did you mean 'foo'?". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179067 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-08Fix typo in assertion.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179061 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-08Fix PR15634, better error message for template deduction failure.Richard Trieu
When two template decls with the same name are used in this diagnostic, force them to print their qualified names. This changes the bad message of: candidate template ignored: could not match 'array' against 'array' to the better message of: candidate template ignored: could not match 'NS2::array' against 'NS1::array' git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179056 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-08<rdar://problem/13540921> Fix a crasher when an Objective-C for-in loop gets ↵Douglas Gregor
a non-variable iteration declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179053 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-08Thread safety analysis: turn on checking within lock and unlock functions.DeLesley Hutchins
These checks are enabled with the -Wthread-safety-beta flag. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179046 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-08<rdar://problem/13540921> Cope with instantiations of the C++11 range-based ↵Douglas Gregor
for loop that end up being Objective-C fast enumeration loops. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179037 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-08<rdar://problem/13540921> Cope with deduced 'auto' in a C++11 for-range loop ↵Douglas Gregor
that is actually an Objective-C fast enumeration loop. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179035 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-07Sema: Don't crash when trying to emit a warning for a duplicate value in an ↵Benjamin Kramer
invalid enum. Fixes PR15693. A null check on a pointer returned from cast<> is a very dubious construct, do we have a checker for this somewhere? git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178975 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-06Rework how ObjC method inherit deprecated/availability.Ted Kremenek
New rule: - Method decls in @implementation are considered "redeclarations" and inherit deprecated/availability from the @interface. - All other cases are consider overrides, which do not inherit deprecated/availability. For example: (a) @interface redeclares a method in an adopted protocol. (b) A subclass redeclares a method in a superclass. (c) A protocol redeclares a method from another protocol it adopts. The idea is that API authors should have the ability to easily move availability/deprecated up and down a class/protocol hierarchy. A redeclaration means that the availability/deprecation is a blank slate. Fixes <rdar://problem/13574571> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178937 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-05When -Woverloaded-virtual is triggered, call HandleFunctionTypeMismatch to addRichard Trieu
more information to the notes. This information is already present on other diagnostic messages that involves overloads. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178923 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-05Add an error to check that all program scope variables are in the constant ↵Tanya Lattner
address space in OpenCL. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178906 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-04Revert 178811 until I fix the unit tests.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178813 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-04Add an error to check that all program scope variables are in the constant ↵Tanya Lattner
address space in OpenCL. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178811 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-04Don't patch the storage class of static data members.Rafael Espindola
This removes a bit of patching that survived r178663. Without it we can produce better a better error message for const int a = 5; static const int a; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178795 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-04Objective-C: Issue deprecated warning when using a Fariborz Jahanian
deprecated typedef to subclass or invoke a class method. // rdar://13569424 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178775 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-04Use isExternalLinkage instead of hasExternalLinkage.Rafael Espindola
Having these not be the same makes an easy to misuse API. We should audit the uses and probably rename to something like foo->hasExternalLinkage(): The c++ standard one. That is UniqueExternalLinkage or ExternalLinkage. foo->hasUniqueExternalLinkage(): Is UniqueExternalLinkage. foo->hasCogeGenExternalLinkage(): Is ExternalLinkage. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178768 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-04Fix a recent linkage regression.Rafael Espindola
Now that we don't have a semantic storage class, use the linkage. Thanks to Bruce Stephens for reporting this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178766 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-04Revert r177948. We decided that we do not want ObjC property redeclarations ↵Ted Kremenek
to inherit "deprecated". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178743 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-04Add hasExternalLinkageUncached back with the test that Richard provided, butRafael Espindola
keep the call at the current location. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178741 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-04Avoid computing the linkage instead of avoiding caching it.Rafael Espindola
This mostly reverts 178733, but keeps the tests. I don't claim to understand how hidden sub modules work or when we need to see them (is that documented?), but this has the same semantics and avoids adding hasExternalLinkageUncached which has the same foot gun potential as the old hasExternalLinkage. Last but not least, not computing linkage when it is not needed is more efficient. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178739 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-04Fix linkage related crash.Rafael Espindola
This test was exactly the opposite of what it should be. We should check if there old decl has linkage (where it makes sense) and if the new decl has the extern keyword. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178735 91177308-0d34-0410-b5e6-96231b3b80d8
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