From 28ee5caaddfa884a8a4fdecd414c64cd6be2a826 Mon Sep 17 00:00:00 2001
From: Ranjit Ranjan <ranjit.ranjan@ibm.com>
Date: Wed, 19 Jun 2024 02:48:48 -0500
Subject: [PATCH] using SwapByteOrderCopy for SetIndices

---
 onnxruntime/core/framework/tensorprotoutils.cc | 12 ++++++++----
 onnxruntime/core/graph/graph.cc                | 14 ++++++--------
 2 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/onnxruntime/core/framework/tensorprotoutils.cc b/onnxruntime/core/framework/tensorprotoutils.cc
index 2dc8364e9fab4..e451b062539b7 100644
--- a/onnxruntime/core/framework/tensorprotoutils.cc
+++ b/onnxruntime/core/framework/tensorprotoutils.cc
@@ -1648,7 +1648,14 @@ static void SetIndices(gsl::span<int64_t> gathered_indices,
     } else {
       auto* dst = ind_dest + dest_index;
       T v = static_cast<T>(src_index);
-      memcpy(dst, &v, sizeof(T));
+        if constexpr (endian::native != endian::little) {
+        auto src = gsl::make_span<const unsigned char>(static_cast<const unsigned char*>(reinterpret_cast<const unsigned char*>(&v)), sizeof(T));
+        auto dest = gsl::make_span<unsigned char>(static_cast<unsigned char*>(reinterpret_cast<unsigned char*>(dst)) , sizeof(T));
+        onnxruntime::utils::SwapByteOrderCopy(sizeof(T),src ,dest);
+      }
+      else {
+        memcpy(dst, &v, sizeof(T));
+      }
     }
     ++dest_index;
   }
@@ -1698,9 +1705,6 @@ static void SparsifyGeneric(const void* dense_raw_data, size_t n_dense_elements,
     } else {
       SetIndices<int64_t>(gathered_span, raw_indices, indices);
     }
-    if constexpr (endian::native != endian::little) {
-      utils::ConvertRawDataInTensorProto((ONNX_NAMESPACE::TensorProto*)&indices);
-    }
   } else {
     indices.set_data_type(ONNX_NAMESPACE::TensorProto_DataType_INT8);
     utils::SetRawDataInTensorProto(indices,std::string());
diff --git a/onnxruntime/core/graph/graph.cc b/onnxruntime/core/graph/graph.cc
index 70a318029e1c7..7090384587c06 100644
--- a/onnxruntime/core/graph/graph.cc
+++ b/onnxruntime/core/graph/graph.cc
@@ -1194,15 +1194,13 @@ Graph::Graph(const Model& owning_model,
     const gsl::not_null<TensorProto*> tensor{graph_proto_->add_initializer()};
     auto status = utils::ConstantNodeProtoToTensorProto(node, model_path, *tensor);
     if constexpr (endian::native != endian::little) {
-    const AttributeProto& attrib = node.attribute(0);
-    if (attrib.type() == AttributeProto_AttributeType_SPARSE_TENSOR)
-    {
-       const TensorProto& sparse_values = node.attribute(0).sparse_tensor().values();
-       if ((!(sparse_values.has_raw_data())) && tensor->has_raw_data())
-       {
+      const AttributeProto& attrib = node.attribute(0);
+      if (attrib.type() == AttributeProto_AttributeType_SPARSE_TENSOR) {
+        const TensorProto& sparse_values = node.attribute(0).sparse_tensor().values();
+        if ((!(sparse_values.has_raw_data())) && tensor->has_raw_data()) {
           onnxruntime::utils::ConvertRawDataInTensorProto(tensor);
-       }
-    }
+        }
+      }
     }
     ORT_ENFORCE(status.IsOK(), status.ToString());
     // Ensure initializers are also graph inputs.