ScheduleEstimator.hh

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/*
    Copyright (c) 2002-2013 Tampere University.
 
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/**
 * @file ScheduleEstimator.hh
 *
 * Declaration of ScheduleEstimator class.
 *
 * This class tries to estimate the worst possible cycle count
 * for a basic block.
 *
 * @author Heikki Kultala 2019 (hkultala-no.spam-tuni.fi)
 * @note rating: red
 */
 
#include "ControlFlowGraphPass.hh"
 
namespace TTAProgram {
    class BasicBlock;
}
 
namespace TTAMachine {
    class Machine;
}
 
class ScheduleEstimator : public ControlFlowGraphPass {
 
public:
    ScheduleEstimator(InterPassData& data) : ControlFlowGraphPass(data) {}
 
    virtual void
    handleControlFlowGraph(
        ControlFlowGraph& cfg, const TTAMachine::Machine& mach) override;
 
    static int maximumSizeOfBB(
        TTAProgram::BasicBlock& bb, const TTAMachine::Machine& mach);
 
    virtual std::string shortDescription() const { return "Estimates max schedule length"; }
};