1 files changed, 58 insertions, 0 deletions
diff --git a/compiler/coco/core/include/coco/IR/KernelLayout.h b/compiler/coco/core/include/coco/IR/KernelLayout.h
new file mode 100644
index 000000000..49aaf1a81
--- /dev/null
+++ b/compiler/coco/core/include/coco/IR/KernelLayout.h
@@ -0,0 +1,58 @@
+/*
+ * 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_KERNEL_LAYOUT_H__
+#define __COCO_IR_KERNEL_LAYOUT_H__
+
+#include "coco/IR/ElemID.h"
+
+#include <nncc/core/ADT/kernel/Shape.h>
+
+namespace coco
+{
+
+/**
+ * @brief A KernelLayout connectes each kernel index to an element (in a bag)
+ *
+ * NOTE KernelLayout is an immutable interface
+ */
+struct KernelLayout
+{
+  struct ID
+  {
+    virtual ~ID() = default;
+  };
+
+  virtual ~KernelLayout() = default;
+
+  /**
+   * @brief Return the identifier of each layout
+   *
+   * REQUIRED
+   *
+   * Given l1 and l2 of KernelLayout * type,
+   * typeid(*l1) == typeif(*l2) SHOULD hold if l1->id() == l2->id() holds.
+   */
+  virtual const ID *id(void) const = 0;
+
+  virtual const nncc::core::ADT::kernel::Shape &shape(void) const = 0;
+
+  virtual ElemID at(uint32_t n, uint32_t ch, uint32_t row, uint32_t col) const = 0;
+};
+
+} // namespace coco
+
+#endif // __COCO_IR_KERNEL_LAYOUT_H__