ir-gen for type convesion of class objects. WIP.

llvm-svn: 80178
diff --git a/clang/lib/CodeGen/CGExprScalar.cpp b/clang/lib/CodeGen/CGExprScalar.cpp
index e8b7304..299296a 100644
--- a/clang/lib/CodeGen/CGExprScalar.cpp
+++ b/clang/lib/CodeGen/CGExprScalar.cpp
@@ -227,6 +227,11 @@
     return llvm::Constant::getNullValue(ConvertType(E->getType()));
   }
   Value *VisitCastExpr(const CastExpr *E) {
+    if (E->getCastKind() == CastExpr::CK_UserDefinedConversion) {
+      const CXXFunctionalCastExpr *CXXFExpr = cast<CXXFunctionalCastExpr>(E);
+      return CGF.EmitCXXFunctionalCastExpr(CXXFExpr).getScalarVal();
+    }
+      
     // Make sure to evaluate VLA bounds now so that we have them for later.
     if (E->getType()->isVariablyModifiedType())
       CGF.EmitVLASize(E->getType());