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 10 namespace v8 { 11 namespace internal { 12 namespace compiler { 13 14 // Forward declarations. 15 class CommonOperatorBuilder; 16 class Graph; 17 18 19 // Performs tail call optimization by replacing certain combinations of Return 20 // and Call nodes with a single TailCall. 21 class TailCallOptimization final : public Reducer { 22 public: 23 TailCallOptimization(CommonOperatorBuilder* common, Graph* graph) 24 : common_(common), graph_(graph) {} 25 26 Reduction Reduce(Node* node) final; 27 28 private: 29 CommonOperatorBuilder* common() const { return common_; } 30 Graph* graph() const { return graph_; } 31 32 CommonOperatorBuilder* const common_; 33 Graph* const graph_; 34 }; 35 36 } // namespace compiler 37 } // namespace internal 38 } // namespace v8 39 40 #endif // V8_COMPILER_TAIL_CALL_OPTIMIZATION_H_ 41
