1 files changed, 110 insertions, 0 deletions
diff --git a/compiler/exo/src/Conversion/EltwiseBinaryConverter.h b/compiler/exo/src/Conversion/EltwiseBinaryConverter.h
new file mode 100644
index 000000000..095da9e5c
--- /dev/null
+++ b/compiler/exo/src/Conversion/EltwiseBinaryConverter.h
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __CONVERSION_ELTWISEBINARY_CONVERTER_H__
+#define __CONVERSION_ELTWISEBINARY_CONVERTER_H__
+
+#include "GraphBlock.h"
+#include "Check.h"
+
+#include "Dialect/IR/TFLNodes.h"
+
+#include <loco/IR/Nodes.h>
+
+#include <loco/Service/ShapeInference.h>
+
+namespace
+{
+
+template <class ELTWISEBIN, class TFLBIN>
+class EltwiseBinInputHandler : public exo::InputHandler<ELTWISEBIN, TFLBIN>
+{
+public:
+  void handover(ELTWISEBIN *origin, TFLBIN *replacer) override
+  {
+    assert(origin && replacer);
+    replacer->x(origin->lhs());
+    replacer->y(origin->rhs());
+  }
+
+  std::vector<loco::Node *> getInputsToConvert(ELTWISEBIN *origin) override
+  {
+    assert(origin);
+    std::vector<loco::Node *> inputs({origin->lhs(), origin->rhs()});
+    return inputs;
+  }
+
+  void set(TFLBIN *replacer, std::vector<loco::Node *> &to) override
+  {
+    assert(to.size() == 2);
+
+    replacer->x(to.at(0));
+    replacer->y(to.at(1));
+  }
+
+  void nullify(ELTWISEBIN *origin) override
+  {
+    assert(origin);
+    origin->lhs(nullptr);
+    origin->rhs(nullptr);
+  }
+};
+
+template <class TFLBIN> void init_fused_act_func(TFLBIN *);
+
+template <> inline void init_fused_act_func(locoex::TFLAdd *node)
+{
+  node->fusedActivationFunction(locoex::FusedActFunc::NONE);
+}
+
+template <> inline void init_fused_act_func(locoex::TFLMul *node)
+{
+  node->fusedActivationFunction(locoex::FusedActFunc::NONE);
+}
+
+template <> inline void init_fused_act_func(locoex::TFLSub *node)
+{
+  node->fusedActivationFunction(locoex::FusedActFunc::NONE);
+}
+
+template <> inline void init_fused_act_func(locoex::TFLDiv *node)
+{
+  node->fusedActivationFunction(locoex::FusedActFunc::NONE);
+}
+
+} // namespace
+
+namespace exo
+{
+
+template <class ELTWISEBIN, class TFLBIN> bool EltwiseBinaryConvert(ELTWISEBIN *origin)
+{
+  EltwiseBinInputHandler<ELTWISEBIN, TFLBIN> input_handler;
+  exo::DomainConverter<ELTWISEBIN, TFLBIN> domain_converter;
+
+  auto tfl_node = domain_converter.template convert<FeatureLayout::NHWC>(origin, input_handler);
+
+  if (tfl_node == nullptr)
+    return false;
+
+  init_fused_act_func(tfl_node);
+
+  return true;
+}
+
+} // namespace exo
+
+#endif // __CONVERSION_ELTWISEBINARY_CONVERTER_H__