1 files changed, 54 insertions, 0 deletions
diff --git a/compiler/coco/generic/include/coco/IR/Data.h b/compiler/coco/generic/include/coco/IR/Data.h
new file mode 100644
index 000000000..0cbee85e9
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+++ b/compiler/coco/generic/include/coco/IR/Data.h
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+/*
+ * Copyright (c) 2018 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 __COCO_IR_DATA_H__
+#define __COCO_IR_DATA_H__
+
+#include "coco/IR/PlainWeightContext.h"
+
+#include <memory>
+
+namespace coco
+{
+
+/**
+ * @brief Core coco entity for constant weights
+ */
+struct Data
+{
+  virtual ~Data() = default;
+
+  /**
+   * @brief Return true if a given bag has an allocated weight data
+   */
+  virtual bool allocated(const coco::Bag *) const = 0;
+
+  /**
+   * @brief Release a memory chunk allocated for weight data of a given bag
+   *
+   * WARN Do NOT invoke release for a bag "b" for which allocated(b) does NOT hold
+   */
+  virtual void release(const coco::Bag *) = 0;
+
+  virtual PlainWeightContext<float> *f32(void) = 0;
+  virtual const PlainWeightContext<float> *f32(void) const = 0;
+
+  static std::unique_ptr<Data> create(void);
+};
+
+} // namespace coco
+
+#endif // __COCO_IR_DATA_H__