1 /**
2  * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef BYTECODE_OPTIMIZER_COMMON_H
17 #define BYTECODE_OPTIMIZER_COMMON_H
18 
19 #include "compiler/optimizer/ir/constants.h"
20 #include "compiler/optimizer/ir/inst.h"
21 
22 namespace panda::bytecodeopt {
23 static constexpr compiler::Register MIN_REGISTER_NUMBER = 0;
24 static constexpr compiler::Register MAX_NUM_SHORT_CALL_ARGS = 2;
25 static constexpr compiler::Register MAX_NUM_NON_RANGE_ARGS = 4;
26 static constexpr compiler::Register MAX_NUM_INPUTS = MAX_NUM_NON_RANGE_ARGS;
27 static constexpr panda::compiler::Register NUM_COMPACTLY_ENCODED_REGS = 16;
28 static constexpr uint32_t MAX_BYTECODE_SIZE = 100000U;
29 
30 // Get the position where accumulator read happens.
31 uint8_t AccReadIndex(const compiler::Inst *inst);
32 
33 // Get string from offset of a panda file
34 std::string GetStringFromPandaFile(const panda_file::File &pfile, uint32_t offset);
35 
36 }  // namespace panda::bytecodeopt
37 
38 #endif  // BYTECODE_OPTIMIZER_COMMON_H
39