BFRescheduleSuccessorsClose.cc

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/**
 * @file BFRescheduleSuccessorsClose.cc
 *
 * Definition of BFRescheduleSuccessorsClose class
 *
 * Tries to reschedule successors closer to a move.
 *
 * The guard can be removed, if the move has no side effects.
 *
 * @author Heikki Kultala 2014-2020(heikki.kultala-no.spam-tuni.fi)
 * @note rating: red
 */
 
#include "BFRescheduleSuccessorsClose.hh"
#include "BFRescheduleResultClose.hh"
#include "DataDependenceGraph.hh"
 
bool BFRescheduleSuccessorsClose::operator()() {
 
#ifdef DEBUG_BUBBLFISH_SCHEDULER
    std::cerr << "\t\t\tRescheduling successors close" << std::endl;
#endif
    bool pushed = false;
    auto succs = ddg().successors(mn_);
    for (auto i: succs) {
        if (i->isScheduled()) {
            if (ddg().earliestCycle(*i) < i->cycle()) {
                auto resched = new BFRescheduleResultClose(sched_, *i, 0);
                pushed |= runPreChild(resched);
            }
        }
    }
    return pushed;
}