1 files changed, 58 insertions, 0 deletions
diff --git a/compiler/enco/core/src/Usage.cpp b/compiler/enco/core/src/Usage.cpp
new file mode 100644
index 000000000..92ccba5a0
--- /dev/null
+++ b/compiler/enco/core/src/Usage.cpp
@@ -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.
+ */
+
+#include "Usage.h"
+
+namespace enco
+{
+
+std::set<coco::Block *> readers(const coco::Bag *bag)
+{
+  std::set<coco::Block *> res;
+
+  for (auto read : coco::readers(bag))
+  {
+    assert(read != nullptr);
+    auto instr = read->loc();
+    assert(instr != nullptr);
+    auto block = instr->parent();
+    assert(block != nullptr);
+
+    res.insert(block);
+  }
+
+  return res;
+}
+
+std::set<coco::Block *> updaters(const coco::Bag *bag)
+{
+  std::set<coco::Block *> res;
+
+  for (auto update : coco::updaters(bag))
+  {
+    assert(update != nullptr);
+    auto instr = update->loc();
+    assert(instr != nullptr);
+    auto block = instr->parent();
+    assert(block != nullptr);
+
+    res.insert(block);
+  }
+
+  return res;
+}
+
+} // namespace enco