Stub out CodeGenFunction::EmitObjCForCollectionStmt.

Add CodeGenFunction::EmitMemSetToZero and make AggExprEmitter::EmitAggregateClear use it.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55573 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index c8421e6..e43b2d3 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -193,6 +193,9 @@
 
   unsigned GetIDForAddrOfLabel(const LabelStmt *L);
 
+  /// EmitMemSetToZero - Generate code to memset a value of the given type to 0;
+  void EmitMemSetToZero(llvm::Value *DestPtr, QualType Ty);
+  
   //===--------------------------------------------------------------------===//
   //                            Declaration Emission
   //===--------------------------------------------------------------------===//
@@ -230,6 +233,8 @@
   void EmitCaseStmtRange(const CaseStmt &S);
   void EmitAsmStmt(const AsmStmt &S);
   
+  void EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S);
+  
   //===--------------------------------------------------------------------===//
   //                         LValue Expression Emission
   //===--------------------------------------------------------------------===//