Pass ReturnValueSlot to EmitCall. No functionality change yet.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92138 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGObjCGNU.cpp b/lib/CodeGen/CGObjCGNU.cpp
index fce0cf1..95f67ae 100644
--- a/lib/CodeGen/CGObjCGNU.cpp
+++ b/lib/CodeGen/CGObjCGNU.cpp
@@ -450,7 +450,7 @@
   llvm::Value *imp = CGF.Builder.CreateCall(lookupFunction, lookupArgs,
       lookupArgs+2);
 
-  return CGF.EmitCall(FnInfo, imp, ActualArgs);
+  return CGF.EmitCall(FnInfo, imp, ReturnValueSlot(), ActualArgs);
 }
 
 /// Generate code for a message send expression.
@@ -536,7 +536,7 @@
     imp = Builder.CreateCall2(lookupFunction, Receiver, cmd);
   }
 
-  return CGF.EmitCall(FnInfo, imp, ActualArgs);
+  return CGF.EmitCall(FnInfo, imp, ReturnValueSlot(), ActualArgs);
 }
 
 /// Generates a MethodList.  Used in construction of a objc_class and