55 lines
2.4 KiB
C++
55 lines
2.4 KiB
C++
#pragma once
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#include "../Utils/SgUtils.h"
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#include "CFGraph.h"
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namespace LIVE_VARIABLES
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{
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/* Store information about live and dead variables after call operator */
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/* (needed for interprocedural part of live variable analysis) */
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class LiveDeadVarsForCall
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{
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private:
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bool tryInsert(std::set<SAPFOR::BasicBlock*>& dest, SAPFOR::BasicBlock* b);
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public:
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FuncInfo* func;
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std::map<int, std::set<SAPFOR::BasicBlock*>> live_after;
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std::set<int> dead_after;
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std::map<SAPFOR::Argument*, std::set<SAPFOR::BasicBlock*>> commons_live_after;
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std::set<SAPFOR::Argument*> commons_dead_after;
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std::vector<SAPFOR::Argument*> params;
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SAPFOR::BasicBlock* block;
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LiveDeadVarsForCall(FuncInfo* f, SAPFOR::BasicBlock* b, const std::vector<SAPFOR::Argument*>& p);
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void make_live(SAPFOR::Argument* arg, SAPFOR::BasicBlock* b);
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void make_dead(SAPFOR::Argument* arg);
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void updateFromOut();
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};
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}
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template <class IT, class DEST>
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void insertIfVar(IT begin, IT end, DEST& to) {
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for (auto it = begin; it != end; it++)
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if (*it && (*it)->getType() == SAPFOR::CFG_ARG_TYPE::VAR)
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to.insert(*it);
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}
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void getUseDefForInstruction(SAPFOR::BasicBlock* block, SAPFOR::Instruction* instr,
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std::set<SAPFOR::Argument*>& use, std::set<SAPFOR::Argument*>& def,
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std::vector<SAPFOR::Argument*>& formal_parameters, std::vector<LIVE_VARIABLES::LiveDeadVarsForCall>& fcalls,
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std::vector<SAPFOR::Argument*>& arg_stack, int& arg_stack_index, int& arg_stack_size,
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bool& last_stack_op,
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std::string& fName, const std::map<std::string, FuncInfo*>& funcByName, bool interprocedural);
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void runLiveVariableAnalysis(const std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& CFGraph_for_project);
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void doDumpLive(const std::map<FuncInfo*, std::vector<SAPFOR::BasicBlock*>>& CFGraph_for_project);
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bool joinGlobalsWithParameters(const std::vector<SAPFOR::Argument*>& params,
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const std::map<std::string, std::pair<std::set<int>, std::set<SAPFOR::Argument*>>>& params_and_globals,
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const std::string& func_name, std::set<SAPFOR::Argument*>& result); |