add codegen support for casting an element to a union.

There are some more complex cases (_Complex and structs)
that I'm still working on.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67218 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index 7443e44916..8b578a6f39 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -605,6 +605,7 @@ public:
   LValue EmitExtVectorElementExpr(const ExtVectorElementExpr *E);
   LValue EmitMemberExpr(const MemberExpr *E);
   LValue EmitCompoundLiteralLValue(const CompoundLiteralExpr *E);
+  LValue EmitCastLValue(const CastExpr *E);
 
   llvm::Value *EmitIvarOffset(ObjCInterfaceDecl *Interface,
                               const ObjCIvarDecl *Ivar);