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diff --git a/compiler/exo/src/Pass/FuseRsqrtPass.h b/compiler/exo/src/Pass/FuseRsqrtPass.h
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+++ b/compiler/exo/src/Pass/FuseRsqrtPass.h
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+/*
+ * 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 __FUSE_RSQRT_PASS_H__
+#define __FUSE_RSQRT_PASS_H__
+
+#include <logo/Pass.h>
+
+namespace exo
+{
+
+/**
+ * @brief Class to fuse TFLSqrt that is divided(TFLDiv) by 1, into TFLRsqrt
+ *
+ * <BEFORE>
+ *
+ *    TFLConst(1) ------
+ *                      \
+ *    A --- TFLSqrt --- TFLDiv --- B
+ *
+ * <AFTER>
+ *
+ *    A --- TFLRsqrt --- B
+ */
+struct FuseRsqrtPass final : public logo::Pass
+{
+  const char *name(void) const final { return "exo::FuseRsqrtPass"; }
+
+  bool run(loco::Graph *g) final;
+};
+
+} // namespace exo
+
+#endif // __FUSE_RSQRT_PASS_H__