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2009-08-15Implement __is_empty. Patch by Sean Hunt.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79143 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Ignore -Wno-import.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79128 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Extend the ProgramPoint to include the context information LocationContext,Zhongxing Xu
which is either a stack frame context of the function or a local scope context. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79072 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Disable all recognition of main() in -ffreestanding. Addresses bug #4720.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79070 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Change handling of attribute 'malloc' to only accept the attribute on functionTed Kremenek
declarations (and not function pointers). This is consistent with GCC. Accepting this attribute on function pointers means that the attribute should be treated as a type qualifier, which apparently is not what GCC does. We obviously can change this later should we desire to enhance the 'malloc' attribute in this way. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79060 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-14Make the CXXDefaultArgExpr constructor protected and add a static Create ↵Anders Carlsson
function. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79013 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-14Deconflate virtual base offsets from non-virtual base offsets.Mike Stump
Deconflate a virtual base primary from a non-virtual base. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78971 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12More toward synthesizing copy assignments. SWIP.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78861 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12Patch for synthesizing copy assignment operator.Fariborz Jahanian
WIP. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78841 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12Transition the PCH support for ShuffleVectorExpr over to ASTContext allocationNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78783 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12More cleanups.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78782 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12Remove redundant forward declarations.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78781 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12Fix a fixme by allocating ShuffleVectorExprs in the ContextNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78780 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Patch to warn if a property which is 'assign' by defaultFariborz Jahanian
may not implement NSCopying protocol in -fobjc-gc[-only] mode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78726 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Add a FriendClassDecl type for holding declarations of friend types in John McCall
the AST, and create such declarations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78719 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11ir-gen support for anonymous union data memberFariborz Jahanian
copying in copy constructors and used in default constructor's initializer list. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78700 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11LLVMContext is a class now.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78691 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Argument-dependent lookup for friend declarations. Add a new decl type,John McCall
FriendFunctionDecl, and create instances as appropriate. The design of FriendFunctionDecl is still somewhat up in the air; you can befriend arbitrary types of functions --- methods, constructors, etc. --- and it's not clear that this representation captures that very well. We'll have a better picture when we start consuming this data in access control. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78653 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Refactor the template-instantiation logic for expressions into aDouglas Gregor
generic tree transformation (also used for recanonicalization) and a small amount of template-instantiation-specific logic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78645 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Take 2 on AltiVec-style vector initializers. Nate Begeman
Fixes PR4704 problems Addresses Eli's patch feedback re: ugly cast code Updates all postfix operators to remove ParenListExprs. While this is awful, no better solution (say, in the parser) is obvious to me. Better solutions welcome. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78621 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Add a CastInfo struct that will be used for cast information when ↵Anders Carlsson
constructing cast expressions. Right now it only stores the cast kind, but in the future it might store conversion functions and constructors. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78599 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10fix a couple of problems with section attributes:Chris Lattner
1. Passing something that isn't a string used to cause: "argument to annotate attribute was not a string literal" make it say "section attribute" instead. 2. Fix the location of the above message to point to the bad argument instead of the section token. 3. Implement rdar://4341926, by diagnosing invalid section specifiers in the frontend rather than letting them slip all the way to the assembler (a QoI win). An example of #3 is that we used to produce something like this: /var/folders/n7/n7Yno9ihEm894640nJdSQU+++TI/-Tmp-//ccFPFGtT.s:2:Expected comma after segment-name /var/folders/n7/n7Yno9ihEm894640nJdSQU+++TI/-Tmp-//ccFPFGtT.s:2:Rest of line ignored. 1st junk character valued 46 (.). Daniel improved clang to use llvm_report_error, so now we got: $ clang t.c -c fatal error: error in backend: Global variable 'x' has an invalid section specifier 'sadf': mach-o section specifier requires a segment and section separated by a comma. with no loc info. Now we get: $ clang t.c -fsyntax-only t.c:4:30: error: argument to 'section' attribute is not valid for this target: mach-o section specifier requires a segment and section separated by a comma int x __attribute__((section("sadf"))); ^ which is nice :) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78586 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Add walking bases in reverse order.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78578 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Use LLVM's new error handler API to report back end errors using Diagnostic.Daniel Dunbar
For example, -- ddunbar@giles:Frontend$ clang -c backend-errors.c fatal error: error in backend: Global variable 'a' has an invalid section specifier 'I AM, not, legal': mach-o section specifier uses an unknown section type. -- compare to: -- ddunbar@giles:Frontend$ gcc -c backend-errors.c /var/folders/DQ/DQ8GT3++HESEzT1obWBynE+++TI/-Tmp-//cc45w2pq.s:2:Expected comma after segment-name /var/folders/DQ/DQ8GT3++HESEzT1obWBynE+++TI/-Tmp-//cc45w2pq.s:2:Rest of line ignored. 1st junk character valued 77 (M). -- Yay! I am not tied to my wording choice, we could also go with "uncoverable error" for the prefix, or just leave it off entirely. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78554 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Revert r78535, it is causing a number of failures to build projects.Daniel Dunbar
--- Reverse-merging r78535 into '.': D test/Sema/altivec-init.c U include/clang/Basic/DiagnosticSemaKinds.td U include/clang/AST/Expr.h U include/clang/AST/StmtNodes.def U include/clang/Parse/Parser.h U include/clang/Parse/Action.h U tools/clang-cc/clang-cc.cpp U lib/Frontend/PrintParserCallbacks.cpp U lib/CodeGen/CGExprScalar.cpp U lib/Sema/SemaInit.cpp U lib/Sema/Sema.h U lib/Sema/SemaExpr.cpp U lib/Sema/SemaTemplateInstantiateExpr.cpp U lib/AST/StmtProfile.cpp U lib/AST/Expr.cpp U lib/AST/StmtPrinter.cpp U lib/Parse/ParseExpr.cpp U lib/Parse/ParseExprCXX.cpp git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78551 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-09warn, as gcc does, if __attribute__((malloc)) applied to function returning ↵Ryan Flynn
non-pointer type git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78542 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-09map previously ignored __attribute((malloc)) to noalias attribute of llvm ↵Ryan Flynn
function's return git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78541 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-09AltiVec-style vector initializer syntax, vec4 a = (vec4)(a, b, c, d);Nate Begeman
In addition to being defined by the AltiVec PIM, this is also the vector initializer syntax used by OpenCL, so that vector literals are compatible with macro arguments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78535 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-08PR4700 - remove shift by 0 warningRyan Flynn
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78488 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-08Introduce a new PragmaPack attribute, and use it for #pragma pack. The ↵Anders Carlsson
PackedAttr now only represents __attribute__((packed)). This is necessary because #pragma pack and __attribute__((packed)) have different semantics. No functionality change yet, but this lays the groundwork for fixing a record layout bug. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78483 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-08Patch should implement packed enums - PR4098. Credit to Anders Johnsen.Edward O'Callaghan
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78471 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-08Get rid of Stmt::Clone now that we can reference count statements instead.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78452 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-08Introduce reference counting for statements and expressions, using itDouglas Gregor
to allow sharing of nodes. Simplifies some aspects of template instantiation, and fixes both PR3444 and <rdar://problem/6757457>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78450 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07Add a CK_ArrayToPointerDecay cast kind.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78434 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07Add CK_ToUnion and use it for aggregate expression codegen.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78429 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07Just add global scope to the associated namespaces set instead of tracking itJohn McCall
separately. Add the framework (currently unfed) for finding friend declarations during argument-dependent lookup. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78414 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07Add rbegin and rend for virtual bases, might come in handy some day.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78412 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07Add ability to generate vcall offsets for primary virtual base.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78396 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07Fix some const_cast issues. This is the beginning of the rabbit hole.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78393 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07PR3333: warn when shifting by invalid amountRyan Flynn
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78385 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-07Separate Stmt::Destroy into the entrypoint for destroying a statementDouglas Gregor
or expression (Destroy) from the virtual function used to actually destroy a given expression (DoDestroy). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78375 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Fix a couple false positive "uninitialized value" warnings with RegionStoreTed Kremenek
involving reasoning about unions (which we don't handle yet). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78342 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Drop the friend-inner-class diagnostic from an extwarn to an ext and don'tJohn McCall
guard its report on GNUMode. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78338 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Permit a class to friend its members in C++0x, without restriction.John McCall
Permit a class to friend its class members in C++ 98, as long as extensions are enabled (and even when they aren't, only give an extwarn about it). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78332 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Silence gcc warning about non-virtual destructors.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78306 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06I forgot adding this header for r78298.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78302 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Last step of template cleanup: merge *BuilderImpl to *Builder.Zhongxing Xu
Some Builders need further cleanup. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78301 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Core analysis engine template cleanup step 2:Zhongxing Xu
merge GRCoreEngineImpl and GRCoreEngine. Introduce a new interface class GRSubEngine as the subengine of GRCoreEngine. GRExprEngine subclasses GRSubEngine now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78298 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Fix comment.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78296 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-06Core analysis engine template cleanup step 2: Zhongxing Xu
merge ExplodedGraphImpl and ExplodedGraph. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78291 91177308-0d34-0410-b5e6-96231b3b80d8
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