1 files changed, 35 insertions, 0 deletions
diff --git a/deps/v8/src/crankshaft/hydrogen-infer-representation.h b/deps/v8/src/crankshaft/hydrogen-infer-representation.h
new file mode 100644
index 0000000000..92f2bc8c59
--- /dev/null
+++ b/deps/v8/src/crankshaft/hydrogen-infer-representation.h
@@ -0,0 +1,35 @@
+// 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_INFER_REPRESENTATION_H_
+#define V8_CRANKSHAFT_HYDROGEN_INFER_REPRESENTATION_H_
+
+#include "src/crankshaft/hydrogen.h"
+
+namespace v8 {
+namespace internal {
+
+
+class HInferRepresentationPhase : public HPhase {
+ public:
+  explicit HInferRepresentationPhase(HGraph* graph)
+      : HPhase("H_Infer representations", graph),
+        worklist_(8, zone()),
+        in_worklist_(graph->GetMaximumValueID(), zone()) { }
+
+  void Run();
+  void AddToWorklist(HValue* current);
+
+ private:
+  ZoneList<HValue*> worklist_;
+  BitVector in_worklist_;
+
+  DISALLOW_COPY_AND_ASSIGN(HInferRepresentationPhase);
+};
+
+
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_CRANKSHAFT_HYDROGEN_INFER_REPRESENTATION_H_