1 files changed, 31 insertions, 0 deletions
diff --git a/deps/v8/src/crankshaft/hydrogen-mark-unreachable.h b/deps/v8/src/crankshaft/hydrogen-mark-unreachable.h
new file mode 100644
index 0000000000..1243b1fcbe
--- /dev/null
+++ b/deps/v8/src/crankshaft/hydrogen-mark-unreachable.h
@@ -0,0 +1,31 @@
+// 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.
+
+#ifndef V8_CRANKSHAFT_HYDROGEN_MARK_UNREACHABLE_H_
+#define V8_CRANKSHAFT_HYDROGEN_MARK_UNREACHABLE_H_
+
+#include "src/crankshaft/hydrogen.h"
+
+namespace v8 {
+namespace internal {
+
+
+class HMarkUnreachableBlocksPhase : public HPhase {
+ public:
+  explicit HMarkUnreachableBlocksPhase(HGraph* graph)
+      : HPhase("H_Mark unreachable blocks", graph) { }
+
+  void Run();
+
+ private:
+  void MarkUnreachableBlocks();
+
+  DISALLOW_COPY_AND_ASSIGN(HMarkUnreachableBlocksPhase);
+};
+
+
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_CRANKSHAFT_HYDROGEN_MARK_UNREACHABLE_H_