11cb0ef41Sopenharmony_ci// Copyright 2019 the V8 project authors. All rights reserved. 21cb0ef41Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be 31cb0ef41Sopenharmony_ci// found in the LICENSE file. 41cb0ef41Sopenharmony_ci 51cb0ef41Sopenharmony_ci#ifndef V8_REGEXP_REGEXP_BYTECODE_PEEPHOLE_H_ 61cb0ef41Sopenharmony_ci#define V8_REGEXP_REGEXP_BYTECODE_PEEPHOLE_H_ 71cb0ef41Sopenharmony_ci 81cb0ef41Sopenharmony_ci#include "src/common/globals.h" 91cb0ef41Sopenharmony_ci#include "src/zone/zone-containers.h" 101cb0ef41Sopenharmony_ci 111cb0ef41Sopenharmony_cinamespace v8 { 121cb0ef41Sopenharmony_cinamespace internal { 131cb0ef41Sopenharmony_ci 141cb0ef41Sopenharmony_ciclass ByteArray; 151cb0ef41Sopenharmony_ci 161cb0ef41Sopenharmony_ci// Peephole optimization for regexp interpreter bytecode. 171cb0ef41Sopenharmony_ci// Pre-defined bytecode sequences occuring in the bytecode generated by the 181cb0ef41Sopenharmony_ci// RegExpBytecodeGenerator can be optimized into a single bytecode. 191cb0ef41Sopenharmony_ciclass RegExpBytecodePeepholeOptimization : public AllStatic { 201cb0ef41Sopenharmony_ci public: 211cb0ef41Sopenharmony_ci // Performs peephole optimization on the given bytecode and returns the 221cb0ef41Sopenharmony_ci // optimized bytecode. 231cb0ef41Sopenharmony_ci static Handle<ByteArray> OptimizeBytecode( 241cb0ef41Sopenharmony_ci Isolate* isolate, Zone* zone, Handle<String> source, const byte* bytecode, 251cb0ef41Sopenharmony_ci int length, const ZoneUnorderedMap<int, int>& jump_edges); 261cb0ef41Sopenharmony_ci}; 271cb0ef41Sopenharmony_ci 281cb0ef41Sopenharmony_ci} // namespace internal 291cb0ef41Sopenharmony_ci} // namespace v8 301cb0ef41Sopenharmony_ci 311cb0ef41Sopenharmony_ci#endif // V8_REGEXP_REGEXP_BYTECODE_PEEPHOLE_H_ 32