Implement code generation of ChooseExpr for aggregate types.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@75021 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprAgg.cpp b/lib/CodeGen/CGExprAgg.cpp
index 3898d16..46ccdd8 100644
--- a/lib/CodeGen/CGExprAgg.cpp
+++ b/lib/CodeGen/CGExprAgg.cpp
@@ -102,6 +102,7 @@
   void VisitObjCKVCRefExpr(ObjCKVCRefExpr *E);
   
   void VisitConditionalOperator(const ConditionalOperator *CO);
+  void VisitChooseExpr(const ChooseExpr *CE);
   void VisitInitListExpr(InitListExpr *E);
   void VisitCXXDefaultArgExpr(CXXDefaultArgExpr *DAE) {
     Visit(DAE->getExpr());
@@ -295,6 +296,10 @@
   CGF.EmitBlock(ContBlock);
 }
 
+void AggExprEmitter::VisitChooseExpr(const ChooseExpr *CE) {
+  Visit(CE->getChosenSubExpr(CGF.getContext()));
+}
+
 void AggExprEmitter::VisitVAArgExpr(VAArgExpr *VE) {
   llvm::Value *ArgValue = CGF.EmitVAListRef(VE->getSubExpr());
   llvm::Value *ArgPtr = CGF.EmitVAArg(ArgValue, VE->getType());