BFKillNode.cc

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/**
 * @file BFKillNode.cc
 *
 * Definition of BFKillNode class
 *
 * Base class for scheduling optimizations/operations
 * which kill a move, for example as dead-result elimination
 *
 * @author Heikki Kultala 2014-2020(heikki.kultala-no.spam-tuni.fi)
 * @note rating: red
 */
 
#include "BFKillNode.hh"
#include "DataDependenceGraph.hh"
#include "BF2Scheduler.hh"
 
bool
BFKillNode::operator()() {
    ddg().dropNode(mn_);
    sched_.nodeKilled(mn_);
    return true;
}
 
void
BFKillNode::undoOnlyMe() {
 
    for (auto e: createdEdges_) {
        ddg().removeEdge(*e);
    }
 
    ddg().restoreNodeFromParent(mn_);
    sched_.nodeResurrected(mn_);
}