Slight cleanup, and fix for va_arg on architectures where va_list is a 
struct.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62585 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp
index e6eb9c0b..f21373a 100644
--- a/lib/CodeGen/CGExprScalar.cpp
+++ b/lib/CodeGen/CGExprScalar.cpp
@@ -1286,7 +1286,7 @@
 }
 
 Value *ScalarExprEmitter::VisitVAArgExpr(VAArgExpr *VE) {
-  llvm::Value *ArgValue = EmitLValue(VE->getSubExpr()).getAddress();
+  llvm::Value *ArgValue = CGF.EmitVAListRef(VE->getSubExpr());
 
   llvm::Value *ArgPtr = CGF.EmitVAArg(ArgValue, VE->getType());