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2009-04-25Fix pointer addressing and array subscripting of Objective-C interfaceDaniel Dunbar
types. - I broke this in the switch to representing interfaces with opaque types. - <rdar://problem/6822660> clang crashes on subscript of interface in 32-bit mode git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70009 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-24Minor refactoring. No intended change in behavior.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69988 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-24Minor refactoring. No change in functionality.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69979 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-24Some code clean up of objc2's bitmap layout.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69970 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-24Clang part of r69947. Reverting back 69574 as it is no longer needed.Sanjiv Gupta
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69949 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-23Fix handling of C99 "extern inline" semantics when dealing withDouglas Gregor
multiple declarations of the function. Should fix PR3989 and <rdar://problem/6818429>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69905 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-23Handle corner case where clang-cc is invoked directly to compile ↵Devang Patel
preprocessed source file without -main-file-name. In this case, CDDebugInfo is not able identify correct main source file becase SM.isFromMainFile() returns true for locations from header files as well as locations from main source file. This patch takes conservative approach by not emitting more then one compile unit with isMain bit set. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69902 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-23Removed bunch of FIXMEs no longer needed.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69896 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-23Mark IMAGE_INFO as constant on x86_64-darwin.Daniel Dunbar
- This shouldn't change anything, we never actually access it, but this is consistent with llvm-gcc (and 32-bit) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69880 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-23fix a problem producing debug info with global blocks.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69875 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-23implement debug info for _Complex.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69873 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-23the logic for computing __func__ and friends is really broken:Chris Lattner
the type assigned by sema (and is visible with sizeof(__func__) for example) has nothing to do with what codegen ends up producing. We should eventually add a method on PredefinedExpr to handle this. In the meantime, just set up some framework and add some fixme's. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69872 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-23Use std::sort instead of qsort.Daniel Dunbar
- Notably, there was a memory error here, SkipIvars does not have to be the same size as IvarsInfo. - Fariborz, please check. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69850 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-23Eliminate the three SmallVectors in ObjCImplDecl (for instanceDouglas Gregor
methods, class methods, and property implementations) and instead place all of these entities into the DeclContext. This eliminates more linear walks when looking for class or instance methods and should make PCH (de-)serialization of ObjCDecls trivial (and lazy). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69849 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22ivar layout bitmap is alive!Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69838 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22Reapply r69771, with updates & fixes:Daniel Dunbar
Rework the shadow struct that is layed out for Objective-C classes. - Superclasses are now always laid out in their shadow structure at the first field. - Prior to this, the entire class heirarchy was flattened into a single structure which meant that alignment, padding, and bitfields were incorrect (the ASTRecordLayout was correct however, which meant our debug info didn't coincide with ivar offsets, for example). - This is still very suboptimal (for example, ivar are looked up recursively, but I believe the ivar layout itself is now at least close to correct. - <rdar://problem/6773388> error: objc[29823]: layout bitmap sliding backwards git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69811 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22Remove lookupFieldDeclFromIvar from ObjCIvarDecl interface.Daniel Dunbar
- This is only used by CGObjCRuntime now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69800 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22Don't convert interface types (to structs) as part of CodeGenTypes.Daniel Dunbar
- This has pros and cons, but for now the pros seem to significantly outway the con. The con is that we will always need to cast in the runtime implementation to a struct type, if we wish to access an interface directly. The pros are: - Avoid the cost of generating types which are used. Most manipulation of Objective-C objects is done through messages, and only the implementation of a class will directly access memory. Previously, we would convert the type even if it only appear as a function parameter, for example. - We don't need to worry about incomplete types, and UpdateCompletedType for interfaces is gone. - It becomes easier to narrow the interface to the shadow struct for Objective-C interfaces (so it can be eliminated). Currently the runtimes still use the CodeGenTypes machinery to generate the LLVM structure they need via ConvertTagDecl, but this can eventually be replaced. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69797 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22Add CGObjCRuntime::GetConcreteClassStruct to encapsulate access to theDaniel Dunbar
underlying llvm::StructType for an interface. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69796 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22Simplify.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69793 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22Emit meta data using the Ivar, not a looked up FieldDecl.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69790 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22Use ComputeIvarBaseOffset instead of looking up by hand.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69789 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22Merge ivar access amongst the three runtimes.Daniel Dunbar
- For now, this means we are always doing the address computations by hand instead of constructing a proper GEP. Right now, however, this is less important than having fewer entry points to dealing with Objective-C interface layout. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69787 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22implement debug info support for id<proto> and interface<proto>Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69784 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22ObjCQualifiedClass is dead, remove it.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69783 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22Make ObjCInterfaceDecl's const in some more places.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69775 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22Revert r69771, I missed some (obvious) details. :/Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69773 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22Mark another TypeForDecl const and make getObjCInterfaceType's argument const.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69772 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22Rework the shadow struct that is layed out for Objective-C classes.Daniel Dunbar
- Superclasses are now always laid out their shadow structure at the first field. - Prior to this, the entire class heirarchy was flattened into a single structure which meant that alignment, padding, and bitfields weren't packed correctly (the ASTRecordLayout was correct however, which meant our debug info didn't coincide with ivar offsets, for example). - This is still very suboptimal, but I believe the ivar layout itself is now at least close to correct. - <rdar://problem/6773388> error: objc[29823]: layout bitmap sliding backwards git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69771 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22move 64-bit abi functions to lazy model, everything is lazy now, yay.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69767 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22remove the last of the non-lazy objc runtime functions for the 32-bit ABI,Chris Lattner
7 left for 64-bit ABI. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69766 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22number of non-lazy runtime functions from 9 -> 4.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69765 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22make message send functions lazy, we're down from 14 non-lazy functions to 9.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69764 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22move more EH stuff to being lazily created. An empty .m file now Chris Lattner
produces just 14 dead "declares" in llvm ir instead of 19. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69763 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22make try/catch objc runtime functions be lazily generated.Chris Lattner
rdar://6809612 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69762 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22Fix some mishandling of the attr(gnu_inline) mode when used withChris Lattner
extern. Previously we would warn about it and ignore the attribute. This is incorrect, it should be handled as a c89 "extern inline" function. Many thanks to Matthieu Castet for pointing this out and beating me over the head until I got it. PR3988: extern inline function are not externally visible git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69756 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-21fix PR4026: Clang can't codegen __func__ without implicit castChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69747 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-21Make sure to mark the interface as completed when we see anDaniel Dunbar
@implementation that closes a @class delcaration. - I don't know how to make a test case for this, but this strengthens the invariants that hold internally. The functionality change here is the edit to SemaDeclObjC.cpp. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69728 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-21Fix emission of static tentative definitions referenced from other static ↵Douglas Gregor
functions git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69699 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-21More objc2's ivar layout bitmap. No change in functionality.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69695 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-21don't bother emitting a zero byte memset at all. We used to get themChris Lattner
in cases like this: typedef struct { short instance; char name[0]; } ATTR_LIST_ENTRY2; void test() { ATTR_LIST_ENTRY2 X = (ATTR_LIST_ENTRY2) { .instance = 7, }; } While it is safe to emit them, it is pretty silly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69687 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-21Explictly track tentative definitions within Sema, then hand thoseDouglas Gregor
tentative definitions off to the ASTConsumer at the end of the translation unit. Eliminate CodeGen's internal tracking of tentative definitions, and instead hook into ASTConsumer::CompleteTentativeDefinition. Also, tweak the definition-deferal logic for C++, where there are no tentative definitions. Fixes <rdar://problem/6808352>, and will make it much easier for precompiled headers to cope with tentative definitions in the future. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69681 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-21Pass and return aggregate types directly to function calls.Sanjiv Gupta
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69668 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-21use of predefined identifiers like __func__ at global scope warn in sema,Chris Lattner
but crashed codegen. Fix this to report the name of the llvm function. This fixes rdar://6808051 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69658 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-21Remove unnused variable.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69650 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-21Kill ASTContext::[gs]etFieldForDecl, instead we just lookup thingsDaniel Dunbar
when we need them -- which is exactly what some code was already doing! - No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69648 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-21Remove LateBoundIVars() runtime interface, it is unused.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69641 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-21Assert on a few conditions that (I believe) should holdDaniel Dunbar
w.r.t. ASTContext::[gs]etFieldDecl, and the Field argument to EmitObjCValueForIvar). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69639 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-20ObjC2's Ivar bitmap layout work. No change in functionality.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69629 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-20Move countInheritedIvars to within striking distance ofDaniel Dunbar
GetClassSizeInfo Reduce nesting in GetInterfaceDeclStructLayout. Tweak some comments. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69621 91177308-0d34-0410-b5e6-96231b3b80d8
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