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1 /*
2  * Copyright (c) 2023 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 ECMASCRIPT_COMPILER_TS_HCR_OPT_PASS_H
17 #define ECMASCRIPT_COMPILER_TS_HCR_OPT_PASS_H
18 
19 #include "ecmascript/compiler/combined_pass_visitor.h"
20 #include "ecmascript/compiler/pass_manager.h"
21 #include "ecmascript/compiler/pgo_type/pgo_type_manager.h"
22 #include "ecmascript/ecma_string-inl.h"
23 
24 namespace panda::ecmascript::kungfu {
25 class TSHCROptPass : public PassVisitor {
26 public:
TSHCROptPass(Circuit * circuit,RPOVisitor * visitor,Chunk * chunk,PassContext * ctx,bool enableLog,const std::string & name)27     TSHCROptPass(Circuit* circuit,
28                  RPOVisitor *visitor,
29                  Chunk* chunk,
30                  PassContext *ctx,
31                  bool enableLog,
32                  const std::string &name)
33         : PassVisitor(circuit, chunk, visitor),
34           builder_(circuit, ctx->GetCompilerConfig()),
35           compilationEnv_(ctx->GetCompilationEnv()),
36           enableLog_(enableLog),
37           methodName_(name)
38     {
39         if (ctx->GetCompilerConfig() != nullptr) {
40             typedOpProfiling_ = ctx->GetCompilerConfig()->IsTypedOpProfiling();
41         }
42     }
43 
44     ~TSHCROptPass() = default;
45 
46     GateRef VisitGate(GateRef gate) override;
47 
48 private:
49     void AddProfiling(GateRef gate);
50 
IsTypedOpProfiling()51     bool IsTypedOpProfiling() const
52     {
53         return typedOpProfiling_;
54     }
55 
IsLogEnabled()56     bool IsLogEnabled() const
57     {
58         return enableLog_;
59     }
60 
GetMethodName()61     const std::string& GetMethodName() const
62     {
63         return methodName_;
64     }
65 
66     JSTaggedValue GetStringFromConstantPool(uint32_t methodOffset, uint32_t cpIdx, bool allowAlloc = true) const
67     {
68         return compilationEnv_->GetStringFromConstantPool(methodOffset, cpIdx, allowAlloc);
69     }
70 
71     GateRef VisitTypedBinaryOp(GateRef gate);
72 
73     GateRef VisitStringBinOp(GateRef gate);
74     GateRef VisitStringEqual(GateRef gate);
75     bool IsSingleCharString(GateRef gate);
76     bool IsNotLoadStrOrStringLoadElement(GateRef gate);
77     GateRef ConvertStringEqualToConst(GateRef left, GateRef right);
78     GateRef ConvertConstSingleCharToInt32(GateRef gate);
79     GateRef ConvertToSingleCharComparison(GateRef left, GateRef right);
80 
81     CircuitBuilder builder_;
82     const CompilationEnv *compilationEnv_ {nullptr};
83     bool enableLog_ {false};
84     std::string methodName_;
85     bool typedOpProfiling_ {false};
86 };
87 }  // panda::ecmascript::kungfu
88 #endif  // ECMASCRIPT_COMPILER_TS_HCR_OPT_PASS_H
89