Line data Source code
1 : // Copyright 2015 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_TAIL_CALL_OPTIMIZATION_H_
6 : #define V8_COMPILER_TAIL_CALL_OPTIMIZATION_H_
7 :
8 : #include "src/compiler/graph-reducer.h"
9 : #include "src/globals.h"
10 :
11 : namespace v8 {
12 : namespace internal {
13 : namespace compiler {
14 :
15 : // Forward declarations.
16 : class CommonOperatorBuilder;
17 : class Graph;
18 :
19 :
20 : // Performs tail call optimization by replacing certain combinations of Return
21 : // and Call nodes with a single TailCall.
22 395301 : class V8_EXPORT_PRIVATE TailCallOptimization final : public Reducer {
23 : public:
24 : TailCallOptimization(CommonOperatorBuilder* common, Graph* graph)
25 395302 : : common_(common), graph_(graph) {}
26 :
27 : Reduction Reduce(Node* node) final;
28 :
29 : private:
30 : CommonOperatorBuilder* common() const { return common_; }
31 : Graph* graph() const { return graph_; }
32 :
33 : CommonOperatorBuilder* const common_;
34 : Graph* const graph_;
35 : };
36 :
37 : } // namespace compiler
38 : } // namespace internal
39 : } // namespace v8
40 :
41 : #endif // V8_COMPILER_TAIL_CALL_OPTIMIZATION_H_
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