1 files changed, 11 insertions, 1 deletions
diff --git a/src/core/ITensor.cpp b/src/core/ITensor.cpp
index b65c4f4c97..eb5f072d82 100644
--- a/src/core/ITensor.cpp
+++ b/src/core/ITensor.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2017 ARM Limited.
+ * Copyright (c) 2016-2018 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -151,3 +151,13 @@ void ITensor::print(std::ostream &s, IOFormatInfo io_fmt) const
         }
     }
 }
+
+bool ITensor::is_used() const
+{
+    return _is_used;
+}
+
+void ITensor::mark_as_unused() const
+{
+    _is_used = false;
+}