COMPMID-793 : Add graph intermediate representation

Change-Id: Ic1685de4e19e0ac79669ef2da64e1dc96c7ea0bf
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/115248
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/src/runtime/SubTensor.cpp b/src/runtime/SubTensor.cpp
index c5b8f33..b010a32 100644
--- a/src/runtime/SubTensor.cpp
+++ b/src/runtime/SubTensor.cpp
@@ -27,6 +27,11 @@
 
 using namespace arm_compute;
 
+SubTensor::SubTensor()
+    : _parent(nullptr), _info()
+{
+}
+
 SubTensor::SubTensor(ITensor *parent, const TensorShape &tensor_shape, const Coordinates &coords, bool extend_parent)
     : _parent(nullptr), _info()
 {