Add basic codegen for thunks that return values.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85842 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGCXX.cpp b/lib/CodeGen/CGCXX.cpp
index 56e039d..d748c01 100644
--- a/lib/CodeGen/CGCXX.cpp
+++ b/lib/CodeGen/CGCXX.cpp
@@ -752,12 +752,15 @@
     CallArgs.push_back(std::make_pair(EmitCallArg(Arg, ArgType), ArgType));
   }
 
-  EmitCall(CGM.getTypes().getFunctionInfo(ResultType, CallArgs),
-           Callee, CallArgs, MD);
+  RValue RV = EmitCall(CGM.getTypes().getFunctionInfo(ResultType, CallArgs),
+                       Callee, CallArgs, MD);
   if (nv_r || v_r) {
     // FIXME: Add return value adjustments.
   }
 
+  if (!ResultType->isVoidType())
+    EmitReturnOfRValue(RV, ResultType);
+
   FinishFunction();
   return Fn;
 }