AEWTO.h

Go to the documentation of this file.

//===- AEWTO.h -- WTO + pointer-analysis prep for Abstract Interpretation ---//
//
//                     SVF: Static Value-Flow Analysis
//
// Copyright (C) <2013->  <Yulei Sui>
//
 
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
 
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
//===----------------------------------------------------------------------===//
 
/*
 * AEWTO.h
 *
 *  Created on: Feb 25, 2026
 *      Author: Jiawei Wang
 *
 * Runs Andersen's pointer analysis and builds the per-function WTO
 * (Weak Topological Order) consumed by Abstract Interpretation.  Also
 * caches per-cycle ValVar sets for the semi-sparse loop helpers.
 */
 
#ifndef INCLUDE_AE_SVFEXE_AEWTO_H_
#define INCLUDE_AE_SVFEXE_AEWTO_H_
 
#include "SVFIR/SVFIR.h"
#include "Graphs/ICFG.h"
#include "Graphs/CallGraph.h"
#include "Graphs/SCC.h"
#include "AE/Core/ICFGWTO.h"
#include "WPA/Andersen.h"
 
namespace SVF
{
 
class AEWTO
{
public:
    typedef SCCDetection<CallGraph*> CallGraphSCC;
 
    AEWTO(SVFIR* pag, ICFG* icfg);
    virtual ~AEWTO();
 
    AndersenWaveDiff* getPointerAnalysis() const
    {
        return pta;
    }
    CallGraph* getCallGraph() const
    {
        return callGraph;
    }
    CallGraphSCC* getCallGraphSCC() const
    {
        return callGraphSCC;
    }
    void initWTO();
 
    const Map<const FunObjVar*, const ICFGWTO*>& getFuncToWTO() const
    {
        return funcToWTO;
    }
 
    void initCycleValVars();
 
    const Set<const ValVar*> getCycleValVars(const ICFGCycleWTO* cycle) const
    {
        auto it = cycleToValVars.find(cycle);
        return it == cycleToValVars.end() ? Set<const ValVar*>() : it->second;
    }
 
private:
    SVFIR* svfir;
    ICFG* icfg;
    AndersenWaveDiff* pta;
    CallGraph* callGraph;
    CallGraphSCC* callGraphSCC;
 
    Map<const FunObjVar*, const ICFGWTO*> funcToWTO;
 
    Map<const ICFGCycleWTO*, Set<const ValVar*>> cycleToValVars;
};
 
} // End namespace SVF
 
#endif /* INCLUDE_AE_SVFEXE_AEWTO_H_ */