1 files changed, 75 insertions, 0 deletions
diff --git a/compiler/exo/src/Conversion/EltwiseMaxConverter.cpp b/compiler/exo/src/Conversion/EltwiseMaxConverter.cpp
new file mode 100644
index 000000000..dd7d34440
--- /dev/null
+++ b/compiler/exo/src/Conversion/EltwiseMaxConverter.cpp
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2020 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.
+ */
+
+#include "EltwiseMaxConverter.h"
+
+#include "GraphBlock.h"
+#include "Check.h"
+
+#include "Dialect/IR/TFLNodes.h"
+
+#include <loco/Service/ShapeInference.h>
+
+namespace
+{
+
+class EltwiseMaxInputHandler : public exo::InputHandler<loco::EltwiseMax, locoex::TFLMaximum>
+{
+public:
+  void handover(loco::EltwiseMax *origin, locoex::TFLMaximum *replacer) override
+  {
+    replacer->x(origin->lhs());
+    replacer->y(origin->rhs());
+  }
+
+  std::vector<loco::Node *> getInputsToConvert(loco::EltwiseMax *origin) override
+  {
+    std::vector<loco::Node *> inputs({origin->lhs(), origin->rhs()});
+    return inputs;
+  }
+
+  void set(locoex::TFLMaximum *replacer, std::vector<loco::Node *> &to) override
+  {
+    assert(to.size() == 2);
+
+    replacer->x(to.at(0));
+    replacer->y(to.at(1));
+  }
+
+  void nullify(loco::EltwiseMax *origin) override
+  {
+    assert(origin);
+    origin->lhs(nullptr);
+    origin->rhs(nullptr);
+  }
+};
+
+} // namespace
+
+namespace exo
+{
+
+bool EltwiseMaxConverter::convert(loco::EltwiseMax *origin)
+{
+  EltwiseMaxInputHandler input_handler;
+  exo::DomainConverter<loco::EltwiseMax, locoex::TFLMaximum> domain_converter;
+
+  auto tfl_new = domain_converter.convert<FeatureLayout::NHWC>(origin, input_handler);
+
+  return (tfl_new != nullptr);
+}
+
+} // namespace exo