Objective-C property references.
 - This handles property references "more correctly" but setters still
   don't work.

llvm-svn: 55534

 - PR2727.

Also, fix warning in CodeGenTypes for new BlockPointer type.

llvm-svn: 55479

 - Added ASTContext::getObjCEncodingForPropertyDecl.

llvm-svn: 55461

llvm-svn: 55410

Also, fix category protocol list metadata.

llvm-svn: 55405

 - Was emitting duplicates of class properties instead of the category
   properties.

llvm-svn: 55395

Also, fix method lookup to not use LLVM module symbol table.

llvm-svn: 55390

 - Only supports simple assignment and atomic semantics are ignored.
 - Not quite usable yet because the methods do not actually get added
   to the class metadata.
 - Added ObjCPropertyDecl::getSetterKind (one of Assign, Copy, Retain).
 - Rearrange CodeGenFunction so synthesis can reuse function prolog /
   epilog code.

llvm-svn: 55365

correctly.  Not a regression, but made more obvious by my recent fix 
which made function type compatibility checking a bit more strict.

llvm-svn: 55339

Add CodeGenFunction::EmitUnsupportedLValue 
 - Gives error and returns undef value.

Swap some asserts() over to using EmitUnsupportedLValue
 - Rumor has it users (and even some developers) prefer carat
   diagnostics to backtraces.
 - Works better in Release-Asserts to boot.

llvm-svn: 55328

llvm-svn: 55312

EmitScalarConversion().
 - Important for allowing Obj-C void * to id<X> casts and so on.
 - Not sure about this fix however, perhaps Type should understand
   that id is effectively a pointer type.

llvm-svn: 55311

 - NeXT loads the super class at runtime; this required changing the
   runtime interface to pass more information down.

llvm-svn: 55307

llvm-svn: 55304

llvm-svn: 55303

 - This ensures that references to undefined classes cause link
   errors.
 - NOTE: This relies on platform specific asm directives currently,
   this should be factored out.

Also, don't emit a SYMBOLS metadata entry if there are no symbols.

llvm-svn: 55302

llvm-svn: 55299

llvm-svn: 55298

llvm-svn: 55297

llvm-svn: 55287

llvm-svn: 55250

llvm-svn: 55249

llvm-svn: 55244

 - Use CodeGenModule::GetAddrOfConstantCFString

Some tweaks of CodeGenModule::GetAddrOfConstantCFString

llvm-svn: 55243

Implement Obj-C lvalue message sends (aggregate returns).

Update several places to emit more precise ErrorUnsupported warnings
  for currently unimplemented Obj-C features (main missing chunks are
  property references, Obj-C exception handling, and the for ... in
  syntax).

llvm-svn: 55234

 - Simplify the sending code a bit.

llvm-svn: 55232

llvm-svn: 55225

 - Returns an RValue.
 - Reduced to only taking the CodeGenFunction, Expr, and Receiver.
 - Becomes responsible for emitting the arguments.

Add CodeGenFunction::EmitCallExprExt
 - Takes optional extra arguments to insert at the head of the call.
 - This allows the Obj-C runtimes to call into this and isolates the
   argument and call instruction generation code to one place. Upshot
   is that we now pass structures (more) correctly.

Also, fix one aspect of generating methods which take structure
arguments (for NeXT). This probably needs to be merged with the
SetFunctionAttributes code in CodeGenModule.cpp

llvm-svn: 55223

 - No (intended) functional change.

llvm-svn: 55221

llvm-svn: 55209

llvm-svn: 55197

llvm-svn: 55180

Updated ObjCProtocolDecl::protocol_iterator to match that of
ObjCInterfaceDecl.

llvm-svn: 55143

 - Functional for simple cases but there are some glaring omissions
   (protocols, properties, and other language extensions).
 - The code needs a fair bit of cleaning.

llvm-svn: 55108

 - Drop duplicate (and broken) code for sending messages.
 - Add EmitObjCProtocolExpr to CodeGenFunction.

llvm-svn: 55024

Add ExplicitCastExpr to replace the current CastExpr, and have ImplicitCastExpr and ExplicitCastExpr derive from a common base class (CastExpr):

Expr
  -> CastExpr
     -> ExplicitCastExpr
     -> ImplicitCastExpr 

llvm-svn: 54955

Change CodeGenFunction::EmitParmDecl to take either a ParmVarDecl or an
  ImplicitParamDecl.

Drop hasAggregateLLVMType from CodeGenModule.cpp (use version in
  CodeGenFunction).

Change the Objective-C method generation to use EmitParmDecl for
  implicit parameters.

llvm-svn: 54838

llvm-svn: 54837

 - We are beyond the point where this shows up often and when it does
   generating miscompiled files is bad.

llvm-svn: 54836

  ObjCInterfaceDecl.

Change ObjCRuntime::GenerateMessageSendSuper to take the
  ObjCInterfaceDecl for the super class, instead of just its name.

Change EmitObjCMessageExpr to make the right runtime calls for super
  sends in class methods (i.e. a super send with the class object as
  the receiver).

llvm-svn: 54833