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2010-06-21Fix an Obj-C++ miscompile when calling an Obj-C method that returns a C++ ↵Anders Carlsson
reference. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106477 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-17Objective-c++ IRGen. Support for @selector expression asFariborz Jahanian
an lvalue. Fixes PR7390. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106235 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-15Move CodeGenOptions.h *back* into Frontend. This should have been done when theChandler Carruth
dependency edge was reversed such that CodeGen depends on Frontend. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106065 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-15Patch adds support for copying of thoseFariborz Jahanian
objective-c++ class objects which have GC'able objc object pointers and need to use ObjC's objc_memmove_collectable API (radar 8070772). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106061 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28zero-cost exception API for NeXt runtime.Fariborz Jahanian
rethrow inside @catch block must use objc_exception_rethrow API. Fixes radar 8037512. Test will be added to LLVM test suite. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104964 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-22Push a return-value slot throughout ObjC message-send codegen. Will beJohn McCall
critical for ObjC++ correctness; hard to test independently of various required Sema changes, though. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104422 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-17Clean up some more uses of getAs<ObjCInterfaceType>() that Fariborz pointedJohn McCall
out. The remaining ones are okay. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103973 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-15Substantially alter the design of the Objective C type AST by introducingJohn McCall
ObjCObjectType, which is basically just a pair of one of {primitive-id, primitive-Class, user-defined @class} with a list of protocols. An ObjCObjectPointerType is therefore just a pointer which always points to one of these types (possibly sugared). ObjCInterfaceType is now just a kind of ObjCObjectType which happens to not carry any protocols. Alter a rather large number of use sites to use ObjCObjectType instead of ObjCInterfaceType. Store an ObjCInterfaceType as a pointer on the decl rather than hashing them in a FoldingSet. Remove some number of methods that are no longer used, at least after this patch. By simplifying ObjCObjectPointerType, we are now able to easily remove and apply pointers to Objective-C types, which is crucial for a certain kind of ObjC++ metaprogramming common in WebKit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103870 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11Merged Elaborated and QualifiedName types.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103517 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-29IRgen/NeXT: Put the synthesized _objc_super, _message_ref_t decls in a valid ↵Daniel Dunbar
DeclContext, to satisfy the invariants that should hold on a RecordDecl. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102624 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-28IRGen for initialization/destruction ofFariborz Jahanian
ivar class objects (NeXt runtime). (radar 7900343). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102533 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-28Changed signature of GenerateMessageSend() function to pass the ↵David Chisnall
ObjCInterfaceDecl for class messages and removed the boolean IsClassMessage argument, which wasn't used anywhere. Emitted some metadata on message sends to allow a later pass to do some speculative inlining of class methods (GNU runtime). Speculative inlining of instance methods requires type feedback to be useful (work in progress), but for class methods it works quite nicely. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102514 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-26Make the static type of the exception variable in an Objective-CDouglas Gregor
@catch a VarDecl. The dynamic type is still a ParmVarDecl, but that will change soon. No effective functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102341 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-25IRgen/NeXT: Fix several alignment issues with Objective-C metadata symbols:Daniel Dunbar
- Fix some places that had the alignment hard coded. - Use ABI type alignment, not preferred type alignment -- neither of this is exactly right, as we really want the C type alignment as required by the runtime, but the ABI alignment is a more correct choice. This should be equivalent for x86_64, but fixes the alignment for ARM. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102314 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-25IRgen/NeXT: Reuse EmitImageInfo for both fragile and non-fragile ABI. This ↵Daniel Dunbar
fixes Clang to correctly emit the "CorrectedSynthesize" bit when using the non-fragile ABI. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102312 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-24NeXT: Clean up dispatch method policy selection.Daniel Dunbar
- Replace -cc1 level -fobjc-legacy-dispatch with -fobjc-dispatch-method={legacy,non-legacy,mixed}. - Lift "mixed" vs "non-mixed" policy choice up to driver level, instead of being buried in CGObjCMac.cpp. - No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102255 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23Improve the AST representation of Objective-C @try/@catch/@finallyDouglas Gregor
statements. Instead of the @try having a single @catch, where all of the @catch's were chained (using an O(n^2) algorithm nonetheless), @try just holds an array of its @catch blocks. The resulting AST is slightly more compact (not important) and better represents the actual language semantics (good). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102221 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23NeXT/EH: When generating the rethrow code for a finally block, make sure toDaniel Dunbar
chain outwards when inside a nested exception scope. - A real test for this is going into LLVM test-suite. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102204 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-23NeXT/EH: Tidy up EH code a bit, don't emit the catch block EH handler if it ↵Daniel Dunbar
is unreachable. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102203 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-22Support for -fno-constant-cfstrings option - wip.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102112 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-19Check for darwin befoer cheking for version.Fariborz Jahanian
(related to radar 7866951). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101799 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-19Force clang to produce legacy api for messagingFariborz Jahanian
in for pre-snowleoprd (NeXt runtime). Fixes radar 7866951 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101791 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17fix integrated assembler with i386 objc code.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101660 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Add raw_ostream operators to NamedDecl for convenience. Switch over all ↵Benjamin Kramer
users of getNameAsString on a stream. The next step is to print the name directly into the stream, avoiding a temporary std::string copy. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101632 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15IRgen: Change CGBitFieldInfo to take the AccessInfo as constructor ↵Daniel Dunbar
arguments, it is now an immutable object. Also, add some checking of various invariants that should hold on the CGBitFieldInfo access. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101345 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-15IRgen: Eliminate now unused fields from CGBitFieldInfo.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101344 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-14IRgen/NeXT: Simplify to use AST record layout for getting offsets instead of theDaniel Dunbar
IRgen record layout, which this code doesn't need to depend on. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101257 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13IRgen: Enhance CGBitFieldInfo with enough information to fully describe the ↵Daniel Dunbar
"policy" with which a bit-field should be accessed. - For now, these policies are computed to match the current IRgen strategy, although the new information isn't being used yet (except in -fdump-record-layouts). - Design comments appreciated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101178 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12Add some API code for future work.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101052 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-08IRgen: Move the bit-field access type into CGBitFieldInfo, and change ↵Daniel Dunbar
bit-field LValues to just store the base address of object containing the bit-field. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100745 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-06IRgen: Move BitFieldIsSigned bit into CGBitFieldInfo.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100513 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-05IRgen: Move BitField LValues to just hold a reference to the CGBitFieldInfo.Daniel Dunbar
- Unfortunately, this requires some horrible code in CGObjCMac which always allocats a CGBitFieldInfo because we don't currently build a proper layout for Objective-C classes. It needs to be cleaned up, but I don't want the bit-field cleanups to be blocked on that. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100474 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-05IRgen: Lift BitFieldInfo to CGBitFieldInfo at namespace level.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100433 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-05Add a FIXME and reduce nesting.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100432 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-02IRgen/NeXT: Remove my refactoring-enabling asserts, and add a FIXME.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100237 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-02IRgen/Obj-C: Eliminate FindIvarInterface, now that ivar's are in the right ↵Daniel Dunbar
DeclContexts (-2 FIXMEs). We still have an annoying linear scan + hidden dependency on how Obj-C layout is done. - This is also an algorithmic improvement in IRgen for Obj-C, although it probably doesn't matter in practice. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100228 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-02CG/NeXT: Assert some invariants on an ivar's containing decl context that I ↵Daniel Dunbar
am about to refactor based on, following some testing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100188 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31IRGen: Move the auxiliary data structures tracking AST -> LLVM mappings out ↵Daniel Dunbar
of CodeGenTypes, to per-record CGRecordLayout structures. - I did a cursory check that this was perf neutral, FWIW. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99978 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-30the big refactoring bits of PR3782.Rafael Espindola
This introduces FunctionType::ExtInfo to hold the calling convention and the noreturn attribute. The next patch will extend it to include the regparm attribute and fix the bug. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99920 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-26Use the power of types to track down another canonicalization bug inJohn McCall
the ABI-computation interface. Fixes <rdar://problem/7691046>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97197 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-19Patch removes IVars list from ObjCInterfaceDecl andFariborz Jahanian
instead relies on their DeclContext for iteration, etc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@96638 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-11Eliminate a bunch of unnecessary ASTContexts from members functions ofDouglas Gregor
Decl subclasses. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95841 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-10Switch to using -fsjlj-exceptions instead of hard-coding it. Notably, this fixesDaniel Dunbar
calls to the UnwindResumeOrRethrow function for C++/Obj-C exception handling, for Darwin ARM. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95787 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-05Standardize the parsing of function type attributes in a way thatJohn McCall
follows (as conservatively as possible) gcc's current behavior: attributes written on return types that don't apply there are applied to the function instead, etc. Only parse CC attributes as type attributes, not as decl attributes; don't accepet noreturn as a decl attribute on ValueDecls, either (it still needs to apply to other decls, like blocks). Consistently consume CC/noreturn information throughout codegen; enforce this by removing their default values in CodeGenTypes::getFunctionInfo(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95436 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-03Revert "Numerous changes to selector handling:", this breaks a whole bunch ofDaniel Dunbar
working code, for no apparent reason. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95244 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-03Numerous changes to selector handling:David Chisnall
- Don't use GlobalAliases with non-0 GEPs (GNU runtime) - this was unsupported and LLVM will be generating errors if you do it soon. This also simplifies the code generated by the GNU runtime a bit. - Make GetSelector() return a constant (GNU runtime), not a load of a store of a constant. - Recognise @selector() expressions as valid static initialisers (as GCC does). - Add methods to GCObjCRuntime to emit selectors as constants (needed for using @selector() expressions as constants. These need implementing for the Mac runtimes - I couldn't figure out how to do this, they seem to require a load. - Store an ObjCMethodDecl in an ObjCSelectorExpr so that we can get at the type information for the selector. This is needed for generating typed selectors from @selector() expressions (as GCC does). Ideally, this information should be stored in the Selector, but that would be an invasive change. We should eventually add checks for common uses of @selector() expressions. Possibly adding an attribute that can be applied to method args providing the types of a selector so, for example, you'd do something like this: - (id)performSelector: __attribute__((selector_types(id, SEL, id)))(SEL) withObject: (id)object; Then, any @selector() expressions passed to the method will be check to ensure that it conforms to this signature. We do this at run time on the GNU runtime already, but it would be nice to do it at compile time on all runtimes. - Made @selector() expressions emit type info if available and the runtime supports it. Someone more familiar with the Mac runtime needs to implement the GetConstantSelector() function in CGObjCMac. This currently just assert()s. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95189 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-01NeXT: Add support for -fobjc-legacy-dispatch.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@95005 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-23Created __builtin___NSStringMakeConstantString() builtin, which generates ↵David Chisnall
constant Objective-C strings. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@94274 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-25Remove some dead variables clang-analyzer found.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92162 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24Pass ReturnValueSlot to EmitCall. No functionality change yet.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92138 91177308-0d34-0410-b5e6-96231b3b80d8
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