1 // Copyright 2019 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_REGEXP_REGEXP_BYTECODE_PEEPHOLE_H_ 6 #define V8_REGEXP_REGEXP_BYTECODE_PEEPHOLE_H_ 7 8 #include "src/common/globals.h" 9 #include "src/zone/zone-containers.h" 10 11 namespace v8 { 12 namespace internal { 13 14 class ByteArray; 15 16 // Peephole optimization for regexp interpreter bytecode. 17 // Pre-defined bytecode sequences occuring in the bytecode generated by the 18 // RegExpBytecodeGenerator can be optimized into a single bytecode. 19 class RegExpBytecodePeepholeOptimization : public AllStatic { 20 public: 21 // Performs peephole optimization on the given bytecode and returns the 22 // optimized bytecode. 23 static Handle<ByteArray> OptimizeBytecode( 24 Isolate* isolate, Zone* zone, Handle<String> source, const byte* bytecode, 25 int length, const ZoneUnorderedMap<int, int>& jump_edges); 26 }; 27 28 } // namespace internal 29 } // namespace v8 30 31 #endif // V8_REGEXP_REGEXP_BYTECODE_PEEPHOLE_H_ 32