1 files changed, 25 insertions, 0 deletions
diff --git a/src/armnnUtils/TensorUtils.cpp b/src/armnnUtils/TensorUtils.cpp
index 03109e0cee..cb73d92ef8 100644
--- a/src/armnnUtils/TensorUtils.cpp
+++ b/src/armnnUtils/TensorUtils.cpp
@@ -165,6 +165,31 @@ TensorShape ExpandDims(const TensorShape& tensorShape, int axis)
     return { outputDim, outputShape.data() };
 }
 
+TensorShape ExpandDimsToRank(const TensorShape& tensorShape, unsigned int rank)
+{
+    // Can't expand if rank is smaller than current shape
+    if (tensorShape.GetNumDimensions() >= rank)
+    {
+        return tensorShape;
+    }
+
+    std::vector<unsigned int> newShape;
+
+    // First add 1s to the beginning of the tensorInfo to fill in the space
+    for (unsigned int i = 0; i < rank - tensorShape.GetNumDimensions(); ++i)
+    {
+        newShape.push_back(1);
+    }
+
+    // Then iterate through the original shape and append it to the new shape with the added 1s
+    for (unsigned int i = 0; i < tensorShape.GetNumDimensions(); ++i)
+    {
+        newShape.push_back(tensorShape[i]);
+    }
+
+    return TensorShape(static_cast<unsigned int>(newShape.size()), newShape.data());
+}
+
 std::vector<unsigned int> SqueezeDims(const TensorShape& tensorShape)
 {
     std::vector<unsigned int> squeezedDims;