add support for codegening CXXZeroInitValueExprs

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84418 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/CodeGen/CGExprAgg.cpp b/lib/CodeGen/CGExprAgg.cpp
index 01f719386c..88fdb542f3 100644
--- a/lib/CodeGen/CGExprAgg.cpp
+++ b/lib/CodeGen/CGExprAgg.cpp
@@ -112,6 +112,7 @@ public:
   void VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E);
   void VisitCXXConstructExpr(const CXXConstructExpr *E);
   void VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E);
+  void VisitCXXZeroInitValueExpr(CXXZeroInitValueExpr *E);
 
   void VisitVAArgExpr(VAArgExpr *E);
 
@@ -439,6 +440,11 @@ void AggExprEmitter::VisitCXXExprWithTemporaries(CXXExprWithTemporaries *E) {
   CGF.EmitCXXExprWithTemporaries(E, DestPtr, VolatileDest, IsInitializer);
 }
 
+void AggExprEmitter::VisitCXXZeroInitValueExpr(CXXZeroInitValueExpr *E) {
+  LValue lvalue = LValue::MakeAddr(DestPtr, Qualifiers());
+  EmitNullInitializationToLValue(lvalue, E->getType());
+}
+
 void AggExprEmitter::EmitInitializationToLValue(Expr* E, LValue LV) {
   // FIXME: Ignore result?
   // FIXME: Are initializers affected by volatile?