1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef V8_COMPILER_GRAPH_REPLAY_H_
6 #define V8_COMPILER_GRAPH_REPLAY_H_
7 
8 #include "src/compiler/node.h"
9 
10 namespace v8 {
11 namespace internal {
12 namespace compiler {
13 
14 // Forward declarations.
15 class Graph;
16 
17 // Helper class to print a full replay of a graph. This replay can be used to
18 // materialize the same graph within a C++ unit test and hence test subsequent
19 // optimization passes on a graph without going through the construction steps.
20 class GraphReplayPrinter {
21  public:
22 #ifdef DEBUG
23   static void PrintReplay(Graph* graph);
24 #else
25   static void PrintReplay(Graph* graph) {}
26 #endif
27 
28  private:
GraphReplayPrinter()29   GraphReplayPrinter() {}
30 
31   static void PrintReplayOpCreator(const Operator* op);
32 
33   DISALLOW_COPY_AND_ASSIGN(GraphReplayPrinter);
34 };
35 
36 }  // namespace compiler
37 }  // namespace internal
38 }  // namespace v8
39 
40 #endif  // V8_COMPILER_GRAPH_REPLAY_H_
41