1 files changed, 56 insertions, 0 deletions
diff --git a/compiler/coco/core/src/IR/Instr.cpp b/compiler/coco/core/src/IR/Instr.cpp
new file mode 100644
index 000000000..9f000ba1c
--- /dev/null
+++ b/compiler/coco/core/src/IR/Instr.cpp
@@ -0,0 +1,56 @@
+/*
+ * 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.
+ */
+
+#include "coco/IR/Instr.h"
+#include "coco/IR/Block.h"
+
+#include <cassert>
+
+namespace coco
+{
+
+template <> void DLinkedList<Instr, Block>::joined(Block *, Instr *curr_ins)
+{
+  assert(!curr_ins->index().valid());
+  uint32_t value = 0;
+
+  if (auto prev_ins = curr_ins->prev())
+  {
+    value = prev_ins->index().value() + 1;
+  }
+
+  for (auto ins = curr_ins; ins; ins = ins->next())
+  {
+    ins->_index.set(value++);
+  }
+}
+
+template <> void DLinkedList<Instr, Block>::leaving(Block *, Instr *curr_ins)
+{
+  assert(curr_ins->index().valid());
+  uint32_t value = curr_ins->index().value();
+
+  for (auto ins = curr_ins->next(); ins; ins = ins->next())
+  {
+    ins->_index.set(value++);
+  }
+
+  curr_ins->_index.reset();
+}
+
+template <> InstrList *DLinkedList<Instr, Block>::head(Block *b) { return b->instr(); }
+
+} // namespace coco