1 files changed, 103 insertions, 0 deletions
diff --git a/runtime/onert/core/src/ir/Graph.cc b/runtime/onert/core/src/ir/Graph.cc
new file mode 100644
index 000000000..837a88a6b
--- /dev/null
+++ b/runtime/onert/core/src/ir/Graph.cc
@@ -0,0 +1,103 @@
+/*
+ * 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 "ir/Graph.h"
+
+#include <algorithm>
+#include <bitset>
+#include <sstream>
+
+#include "util/logging.h"
+#include "verifier/Verifier.h"
+#include "ir/operation/LowerInfo.h"
+#include "ir/operand/LowerInfo.h"
+#include "ir/operand/PermuteFactor.h"
+#include "ir/GraphIterator.h"
+#include "backend/IConfig.h"
+
+namespace onert
+{
+namespace ir
+{
+
+Graph::Graph() = default;
+
+Graph::~Graph(void) = default;
+
+OperandIndex Graph::addOperand(const Shape &shape, const TypeInfo &type)
+{
+  return _operands.emplace(shape, type);
+}
+
+OperationIndex Graph::addOperation(std::unique_ptr<Operation> &&node)
+{
+  assert(isBuildingPhase());
+  return _operations.push(std::move(node));
+}
+
+void Graph::setOperandValue(const OperandIndex &ind, std::shared_ptr<Data> data)
+{
+  assert(isBuildingPhase());
+  assert(_operands.exist(ind));
+  _operands.at(ind).data(std::move(data));
+}
+
+void Graph::addInput(const OperandIndex &ind)
+{
+  assert(isBuildingPhase());
+  _inputs.append(ind);
+}
+
+void Graph::addOutput(const OperandIndex &ind)
+{
+  assert(isBuildingPhase());
+  _outputs.append(ind);
+}
+
+void Graph::finishBuilding(void)
+{
+  assert(isBuildingPhase());
+  _phase = Phase::MODEL;
+
+  // Initialize operand use-def
+  initializeUseDef();
+
+  // Call graph verifications for the MODEL phase
+  {
+    assert(verifier::DAGChecker().verify(*this));
+    assert(verifier::EdgeConsistencyChecker().verify(*this));
+  }
+}
+
+void Graph::initializeUseDef()
+{
+  operations().iterate([&](const OperationIndex &index, const Operation &node) -> void {
+    auto outputs = node.getOutputs();
+    for (auto output : outputs)
+    {
+      operands().at(output).appendDef(index);
+    }
+
+    auto inputs = node.getInputs();
+    for (auto input : inputs)
+    {
+      operands().at(input).appendUse(index);
+    }
+  });
+}
+
+} // namespace ir
+} // namespace onert