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-rw-r--r--compiler/locoex-customop/src/Service/COpTypeInference.cpp47
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diff --git a/compiler/locoex-customop/src/Service/COpTypeInference.cpp b/compiler/locoex-customop/src/Service/COpTypeInference.cpp
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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.
+ */
+
+#include "locoex/Service/COpTypeInference.h"
+
+#include "locoex/COpDialect.h"
+#include "locoex/COpCall.h"
+
+#include <cassert>
+
+namespace locoex
+{
+
+bool COpTypeInferenceRule::recognize(const loco::Dialect *d) const
+{
+ // This rule recognizes only "COpDialect" dialect!
+ return COpDialect::get() == d;
+}
+
+bool COpTypeInferenceRule::infer(const loco::Node *node, loco::DataType &dtype) const
+{
+ assert(node->dialect() == COpDialect::get());
+
+ auto customop = dynamic_cast<const COpCall *>(node);
+
+ assert(customop != nullptr);
+ assert(customop->dtype() != loco::DataType::Unknown);
+
+ dtype = customop->dtype();
+
+ return true;
+}
+
+} // namespace locoex