LCOV - code coverage report
Current view: top level - src/compiler - tail-call-optimization.h (source / functions) Hit Total Coverage
Test: app.info Lines: 2 2 100.0 %
Date: 2017-04-26 Functions: 0 2 0.0 %

          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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