Adding support for new TensorFlow operators. Also adding a transformation to convert an ExpandDims into a Reshape op.

PiperOrigin-RevId: 178418377

1 files changed, 4 insertions, 0 deletions

diff --git a/tensorflow/contrib/lite/toco/graph_transformations/resolve_strided_slice_attributes.cc b/tensorflow/contrib/lite/toco/graph_transformations/resolve_strided_slice_attributes.cc
index 851511268d..97946182ef 100644
--- a/tensorflow/contrib/lite/toco/graph_transformations/resolve_strided_slice_attributes.cc
+++ b/tensorflow/contrib/lite/toco/graph_transformations/resolve_strided_slice_attributes.cc
@@ -39,6 +39,10 @@ bool ResolveStridedSliceAttributes::Run(Model* model, std::size_t op_index) {
 
   const auto& start_array = *model->arrays[op->inputs[1]];
   if (!start_array.has_shape()) return false;
+  if (toco::RequiredBufferSizeForShape(start_array.shape()) != 4) {
+    // Only 4D arrays are supported for now.
+    return false;
+  }
 
   const auto& stop_array = *model->arrays[op->inputs[2]];
   if (!stop_array.has_shape()) return false;