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+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH_ISTREAM_OPERATORS_H__
+#define __ARM_COMPUTE_GRAPH_ISTREAM_OPERATORS_H__
+
+#include "arm_compute/graph/frontend/IStream.h"
+#include "arm_compute/graph/frontend/Types.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+namespace frontend
+{
+// Forward declarations
+class ILayer;
+
+/** Overloaded stream operator to add a node to the graph
+ *
+ * @param[in, out] s Stream to add the tensor
+ * @param[in] layer Layer to be added
+ *
+ * @return Updated stream
+ */
+inline IStream &operator<<(IStream &s, ILayer &&layer)
+{
+ s.add_layer(layer);
+ return s;
+}
+/** Overloaded stream operator to provide a target hint to the graph
+ *
+ * @param[in, out] s Stream to provide the hint to
+ * @param[in] target_hint Target hint to be considered
+ *
+ * @return Updated stream
+ */
+inline IStream &operator<<(IStream &s, Target target_hint)
+{
+ s.hints().target_hint = target_hint;
+ return s;
+}
+/** Overloaded stream operator to provide a convolution method hint to the graph
+ *
+ * @param[in, out] s Stream to provide the hint to
+ * @param[in] convolution_method_hint Convolution method hint to be considered
+ *
+ * @return Updated stream
+ */
+inline IStream &operator<<(IStream &s, ConvolutionMethod convolution_method_hint)
+{
+ s.hints().convolution_method_hint = convolution_method_hint;
+ return s;
+}
+/** Overloaded stream operator to provide a depthwise convolution method hint to the graph
+ *
+ * @param[in, out] s Stream to provide the hint to
+ * @param[in] depthwise_convolution_method_hint Depthwise Convolution method hint to be considered
+ *
+ * @return Updated stream
+ */
+inline IStream &operator<<(IStream &s, DepthwiseConvolutionMethod depthwise_convolution_method_hint)
+{
+ s.hints().depthwise_convolution_method_hint = depthwise_convolution_method_hint;
+ return s;
+}
+} // namespace frontend
+} // namespace graph
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_GRAPH_ISTREAM_OPERATORS_H__ */