|  | // Copyright 2014 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_COMPILER_GRAPH_REPLAY_H_ | 
|  | #define V8_COMPILER_GRAPH_REPLAY_H_ | 
|  |  | 
|  | #include "src/compiler/node.h" | 
|  |  | 
|  | namespace v8 { | 
|  | namespace internal { | 
|  | namespace compiler { | 
|  |  | 
|  | // Forward declarations. | 
|  | class Graph; | 
|  |  | 
|  | // Helper class to print a full replay of a graph. This replay can be used to | 
|  | // materialize the same graph within a C++ unit test and hence test subsequent | 
|  | // optimization passes on a graph without going through the construction steps. | 
|  | class GraphReplayPrinter { | 
|  | public: | 
|  | #ifdef DEBUG | 
|  | static void PrintReplay(Graph* graph); | 
|  | #else | 
|  | static void PrintReplay(Graph* graph) {} | 
|  | #endif | 
|  |  | 
|  | private: | 
|  | GraphReplayPrinter() {} | 
|  |  | 
|  | static void PrintReplayOpCreator(const Operator* op); | 
|  |  | 
|  | DISALLOW_COPY_AND_ASSIGN(GraphReplayPrinter); | 
|  | }; | 
|  |  | 
|  | }  // namespace compiler | 
|  | }  // namespace internal | 
|  | }  // namespace v8 | 
|  |  | 
|  | #endif  // V8_COMPILER_GRAPH_REPLAY_H_ |