BFClearLiveRangeUse.hh

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/**
 * @file BFClearLiveRangeUse.hh
 *
 * Declaration of scheduler operation which clears live range use.
 * bookkeeping for a reg.
 *
 * @author Heikki Kultala 2020 (hkultala-no.spam-tuni.fi)
 * @note rating: red
 */
 
#include "BFOptimization.hh"
#include "DataDependenceGraph.hh"
#include "LiveRangeData.hh"
 
 
class BFClearLiveRangeUse: public BFOptimization {
 
public:
    BFClearLiveRangeUse(BF2Scheduler& sched,
                        LiveRangeData::MoveNodeUseSet& set) :
        BFOptimization(sched), set_(set) {}
 
    virtual bool operator()();
    void undoOnlyMe();
    virtual ~BFClearLiveRangeUse() {}
private:
    LiveRangeData::MoveNodeUseSet& set_;
    LiveRangeData::MoveNodeUseSet backup;
};