1 files changed, 54 insertions, 0 deletions
diff --git a/deps/v8/src/compiler/graph.cc b/deps/v8/src/compiler/graph.cc
new file mode 100644
index 000000000..3f47eace8
--- /dev/null
+++ b/deps/v8/src/compiler/graph.cc
@@ -0,0 +1,54 @@
+// Copyright 2013 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/compiler/graph.h"
+
+#include "src/compiler/common-operator.h"
+#include "src/compiler/generic-node-inl.h"
+#include "src/compiler/graph-inl.h"
+#include "src/compiler/node.h"
+#include "src/compiler/node-aux-data-inl.h"
+#include "src/compiler/node-properties.h"
+#include "src/compiler/node-properties-inl.h"
+#include "src/compiler/operator-properties.h"
+#include "src/compiler/operator-properties-inl.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+Graph::Graph(Zone* zone)
+    : GenericGraph<Node>(zone),
+      decorators_(DecoratorVector::allocator_type(zone)) {}
+
+
+Node* Graph::NewNode(Operator* op, int input_count, Node** inputs) {
+  DCHECK(op->InputCount() <= input_count);
+  Node* result = Node::New(this, input_count, inputs);
+  result->Initialize(op);
+  for (DecoratorVector::iterator i = decorators_.begin();
+       i != decorators_.end(); ++i) {
+    (*i)->Decorate(result);
+  }
+  return result;
+}
+
+
+void Graph::ChangeOperator(Node* node, Operator* op) { node->set_op(op); }
+
+
+void Graph::DeleteNode(Node* node) {
+#if DEBUG
+  // Nodes can't be deleted if they have uses.
+  Node::Uses::iterator use_iterator(node->uses().begin());
+  DCHECK(use_iterator == node->uses().end());
+#endif
+
+#if DEBUG
+  memset(node, 0xDE, sizeof(Node));
+#endif
+}
+}
+}
+}  // namespace v8::internal::compiler