Index: lib/CodeGen/IslNodeBuilder.cpp
===================================================================
--- lib/CodeGen/IslNodeBuilder.cpp
+++ lib/CodeGen/IslNodeBuilder.cpp
@@ -358,7 +361,12 @@
 
   auto *NewAccesses = createNewAccesses(Stmt, User);
   createSubstitutionsVector(Expr, Stmt, VLTS, IVS, IteratorID);
-  VectorBlockGenerator::generate(BlockGen, *Stmt, VLTS, S, NewAccesses);
+
+  if(Stmt->isRegionStmt()){
+    create(User);
+  }else{
+    VectorBlockGenerator::generate(BlockGen, *Stmt, VLTS, S, NewAccesses);
+  }
   isl_id_to_ast_expr_free(NewAccesses);
   isl_map_free(S);
   isl_id_free(Id);