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2013-01-10Truth in advertising: LocallyScopedExternalDecls actually only containsRichard Smith
external declarations with C language linkage. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172150 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10[ms-inline asm] Extend the inline asm Sema lookup interface to determine if theChad Rosier
Decl is a VarDecl. Part of rdar://12991541 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172120 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10Provide a better warning when case value overflows.Fariborz Jahanian
// rdar://11577384 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172102 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Issue warning when case value is too large to fitFariborz Jahanian
in case condition type. // rdar://11577384. Test is conditionalized on x86_64-apple triple as I am not sure if the INT_MAX/LONG_MAX values in the test will pass this test for other hosts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172016 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09When name lookup for a redeclaration finds declarations that are knownDouglas Gregor
(because they are part of some module) but have not been made visible (because they are in a submodule that wasn't imported), filter out those declarations unless both the old declaration and the new declaration have external linkage. When one or both has internal linkage, there should be no conflict unless both are imported. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171925 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09put back diagnostics when flexible members are capturedFariborz Jahanian
in lambdas. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171921 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Fix typo (again).Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171917 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Remove lambda from my last patch.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171915 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Fixes typo in comment.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171913 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08objectiveC blocks: It is impractical to capture Fariborz Jahanian
struct variables with flexiable array members in blocks (and lambdas). Issue error instead of crashing in IRGen. // rdar://12655829 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171912 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Clear LV cache when dropping availability attributes.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171906 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Tighten types a bit. No functionality change.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171902 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Don't crash when trying to apply the availability attribute to a block.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171899 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Tighten types a bit. No functionality change.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171894 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Move loop variable update.Rafael Espindola
Thanks to Dmitri Gribenko for the suggestion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171889 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Mark all subsequent decls used.Rafael Espindola
In the source static void f(); static void f(); template<typename T> static void g() { f(); } static void f() { } void h() { g<int>(); } the call to f refers to the second decl, but it is only marked used at the end of the translation unit during instantiation, after the third f decl has been linked in. With this patch we mark all subsequent decls used, so that it is easy to check if a symbol is used or not. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171888 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Use Decl::getAvailability() rather than checking for the "unavailable"Douglas Gregor
attribute when determining whether we need to see an implementation of a property. Fixes <rdar://problem/12958191>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171877 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Clear the LV cache when merging the availability attribute.Rafael Espindola
The availability implies default visibility, so it can change the computed visibility. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171840 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Don't warn about undefined varargs argument behavior in unreachable code.Ted Kremenek
Fixes <rdar://problem/12322000>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171831 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08PR14838: When a member reference is bound to a temporary, don't forget toRichard Smith
perform the semantic checks associated with the destruction of that temporary. It'll be destroyed at the end of the constructor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171818 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Back out my no-op change from r171783.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171817 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Use the C++11 POD definition in C++11 mode to determine whether oneDouglas Gregor
can create a VLA of class type. Fixes <rdar://problem/12151822>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171783 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Use getter. Fixes the build from a bad merge.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171782 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Add support for attribute((mode(unwind_word))).Rafael Espindola
Patch by Nick Lewycky. Fixes pr8703. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171781 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07objective-C: when searching for declarations in protocolFariborz Jahanian
list of classes, etc., make sure to look into protocol definitions. // rdar://12958878 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171777 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Scalar shifts in the OpenCL specification (as of v. 1.2) are defined to beDavid Tweed
with respect to the lower "left-hand-side bitwidth" bits, even when negative); see OpenCL spec 6.3j. This patch both implements this behaviour in the code generator and "constant folding" bits of Sema, and also prevents tests to detect undefinedness in terms of the weaker C99 or C++ specifications from being applied. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171755 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-05Fixes a breakage in dejagnu++ test suite where it includedFariborz Jahanian
<objc/Protocol.h>. Caused by my recent changes for various builtin declarations of objc_msgSendSuper variety. // rdar://12489098 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171638 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-04Fix up various builtin declaration of objc_msgSend familiesFariborz Jahanian
to match those foung in objc.h an avoid spurious warnings. // rdar://12489098 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171492 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-03Warn on unused auto variables.Rafael Espindola
To do so we have to wait until we know that the type of a variable has been deduced. Sema::FinalizeDeclaration is the first callback that is used for decl with or without initializers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171458 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-03Use early returns to reduce indentation.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171457 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-02Remove the anonymous namespace from lib/Sema/TreeTransform.hArgyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171402 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-02s/CXX0X/CXX11/g, except for __GNU_EXPERIMENTAL_CXX0X__, and update a few ↵Richard Smith
nearby 'C++0x' comments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171372 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-02s/CPlusPlus0x/CPlusPlus11/gRichard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171367 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-30Don't warn on unused member functions that are extern because of a typedef.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171267 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-30Use hasCLanguageLinkage when warning about non C return types.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171263 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-29Don't warn for undefined but used decls that are external because of a typedef.Rafael Espindola
This fixes pr14736. It is fairly ugly, but I don't think we can do much better as we have to wait at least until the end of the typedef to know if the function will have external linkage or not. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171240 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-29ArrayRefize CXXTryStmt.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171239 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-29ArrayRefize a CompoundStmt constructor.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171238 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-28Reject overloading of two static extern C functions.Rafael Espindola
This patch moves hasCLanguageLinkage to be VarDecl and FunctionDecl methods so that they can be used from SemaOverload.cpp and then fixes the logic in Sema::IsOverload. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171193 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-28Improve diagnostic wording for when an implicitly-deleted special memberRichard Smith
function is selected by overload resolution. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171190 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27Implement dcl.link paragraph 5.Rafael Espindola
The language linkage of redeclarations must match. GCC was already reporting an error for this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171139 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Fix a regression from the previous commit.Rafael Espindola
Template instantiation can set the canonical decl to used after subsequent decls have been chained, so we have to check that too. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171088 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Use the most recent redecl to decide if it is needed.Rafael Espindola
This fixes pr14691, which I think is a regression from r168519. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171077 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-25Fix for PR12222.Erik Verbruggen
Changed getLocStart() and getLocEnd() to be required for Stmts, and make getSourceRange() optional. The default implementation for getSourceRange() is build the range by calling getLocStart() and getLocEnd(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171067 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-25Add intel_ocl_bicc calling convention as a function attribute to clang. The ↵Guy Benyei
calling convention is already implemented in LLVM. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171056 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-25Add 171048 back but invalidate the cache of all redeclarations when settingRafael Espindola
the body of a functions. The problem was that hasBody looks at the entire chain and causes problems to -fvisibility-inlines-hidden if the cache was not invalidated. Original message: Cache visibility of decls. This unifies the linkage and visibility caching. I first implemented this when working on pr13844, but the previous fixes removed the performance advantage of this one. This is still a step in the right direction for making linkage and visibility cheap to use. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171053 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-25Revert r171048, "Cache visibility of decls."NAKAMURA Takumi
It broke stage2. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171050 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-25Cache visibility of decls.Rafael Espindola
This unifies the linkage and visibility caching. I first implemented this when working on pr13844, but the previous fixes removed the performance advantage of this one. This is still a step in the right direction for making linkage and visibility cheap to use. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171048 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-23Move a declaration closer to its use. No functionality change.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170992 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-22PR14695: Fix assert from bad cast<>. Not every namespace is a NamespaceDecl; ↵Richard Smith
it might instead be a TranslationUnitDecl. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170976 91177308-0d34-0410-b5e6-96231b3b80d8
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