add framework for ARM builtins, Patch by Edmund Grimley Evans!

llvm-svn: 97656
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index d582c0d..88d6413 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -1122,6 +1122,7 @@
   /// is unhandled by the current target.
   llvm::Value *EmitTargetBuiltinExpr(unsigned BuiltinID, const CallExpr *E);
 
+  llvm::Value *EmitARMBuiltinExpr(unsigned BuiltinID, const CallExpr *E);
   llvm::Value *EmitX86BuiltinExpr(unsigned BuiltinID, const CallExpr *E);
   llvm::Value *EmitPPCBuiltinExpr(unsigned BuiltinID, const CallExpr *E);