Implement parsing and code generation of Objective-C string literals.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41238 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CodeGen/CodeGenFunction.h b/CodeGen/CodeGenFunction.h
index a0a3c61..95e3656 100644
--- a/CodeGen/CodeGenFunction.h
+++ b/CodeGen/CodeGenFunction.h
@@ -61,6 +61,7 @@
   class ConditionalOperator;
   class ChooseExpr;
   class PreDefinedExpr;
+  class ObjCStringLiteral;
   
   class BlockVarDecl;
   class EnumConstantDecl;
@@ -393,6 +394,8 @@
   RValue EmitConditionalOperator(const ConditionalOperator *E);
   RValue EmitChooseExpr(const ChooseExpr *E);
   
+  RValue EmitObjCStringLiteral(const ObjCStringLiteral* E);
+
   //===--------------------------------------------------------------------===//
   //                       Aggregate Expression Emission
   //===--------------------------------------------------------------------===//