regexp-bytecode-peephole.h

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// Copyright 2019 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_REGEXP_REGEXP_BYTECODE_PEEPHOLE_H_

#define V8_REGEXP_REGEXP_BYTECODE_PEEPHOLE_H_

#include "irregexp/RegExpShim.h"

namespace v8 {

namespace internal {

class TrustedByteArray;

// Peephole optimization for regexp interpreter bytecode.

// Pre-defined bytecode sequences occuring in the bytecode generated by the

// RegExpBytecodeGenerator can be optimized into a single bytecode.

class RegExpBytecodePeepholeOptimization : public AllStatic {

 public:

  // Performs peephole optimization on the given bytecode and returns the

  // optimized bytecode.

  static Handle<TrustedByteArray> OptimizeBytecode(

      Isolate* isolate, Zone* zone, DirectHandle<String> source,

      const uint8_t* bytecode, int length,

      const ZoneUnorderedMap<int, int>& jump_edges);

};

}  // namespace internal

}  // namespace v8

#endif  // V8_REGEXP_REGEXP_BYTECODE_PEEPHOLE_H_