dagan.H

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// dagan.H
//
// 3/19/98 WAH:  Adapted from Chao-ying Fu's original DAG analyzer.

/*
        Copyright (C) 1997 CFU Corporation

        File: my_dag.h
        Author: Chao-yinig Fu
        Date: Jan. 14 1998

        ^..^
        (00)

         $__$
        <~00~>
         (oo)
          ||

        ```````
        C ^|^ D
         \ O /
*/

#ifndef LEGOAN_DAGAN_HEADER
#define LEGOAN_DAGAN_HEADER

#include <stdio.h>
#include <string.h>
#include "TinkerKnobs.H"
#include "legoMach.H"
#include "legoDAG.H"
// #include "vcg.h"
// #include "node_table.h"

/*
 * class DAGMeasurements
 *
 * This class holds the measurements (of various sorts) collected for a
 * DAG.
 */
class DAGMeasurements
{
public:
  DAGMeasurements():_num_of_reganti(0),_length_reganti(0),_num_of_regflow(0),_length_regflow(0),_num_of_regout(0),_length_regout(0),_num_of_mem(0),_length_mem(0),_num_of_cntl(0),_length_cntl(0),_num_of_region(0) {}
  ~DAGMeasurements() {}

  void inc_num_of_reganti() {_num_of_reganti++;}
  void add_num_of_reganti(int i) {_num_of_reganti+=i;}
  void add_length_reganti(int i) {_length_reganti+=i;}
  void inc_num_of_regflow() {_num_of_regflow++;}
  void add_num_of_regflow(int i) {_num_of_regflow+=i;}
  void add_length_regflow(int i) {_length_regflow+=i;}
  void inc_num_of_regout() {_num_of_regout++;}
  void add_num_of_regout(int i) {_num_of_regout+=i;}
  void add_length_regout(int i) {_length_regout+=i;}
  void inc_num_of_mem() {_num_of_mem++;}
  void add_num_of_mem(int i) {_num_of_mem+=i;}
  void add_length_mem(int i) {_length_mem+=i;}
  void inc_num_of_cntl() {_num_of_cntl++;}
  void add_num_of_cntl(int i) {_num_of_cntl+=i;}
  void add_length_cntl(int i) {_length_cntl+=i;}
  void add_num_of_region(int i) {_num_of_region+=i;}

  void print(FILE *ifp); 
  void print_proc_info(legoProc *proc_ptr,FILE *ifp); 

  void reset()
  {
    _num_of_reganti=0;
    _length_reganti=0;
    _num_of_regflow=0;
    _length_regflow=0;
    _num_of_regout=0;
    _length_regout=0;
    _num_of_mem=0;
    _length_mem=0;
    _num_of_cntl=0;
    _length_cntl=0;
    _num_of_region=0;
  } // end reset

private:
  int _num_of_reganti;  // number of register antidependences
  int _length_reganti;  // length of register antidependences (total)
  int _num_of_regflow;  // number of register flow dependences
  int _length_regflow;  // length of register flow dependences (total)
  int _num_of_regout;   // number of register output dependences
  int _length_regout;   // length of register output dependences (total)
  int _num_of_mem;      // number of memory dependences
  int _length_mem;      // length of memory dependences (total)
  int _num_of_cntl;     // number of control dependences
  int _length_cntl;     // length of control dependences (total)
  int _num_of_region;   // number of regions in DAG
}; // end class DAGMeasurements

/*
 * class DAGAnalysis
 *
 * A derived class of dag, this class provides methods for DAG analysis.
 */
class DAGAnalysis : public dag
{
public:
  DAGAnalysis(int Inp_start, int Inp_end, int Ret_start, int Ret_end, int Fp_ret_start,
        int Fp_ret_end):dag(Inp_start, Inp_end, Ret_start, Ret_end,
        Fp_ret_start, Fp_ret_end), _region_id(-1),_proc_name(NULL) {}

  DAGAnalysis(machine *m,knobs *k, int Inp_start, int Inp_end, int Ret_start, int Ret_end, int Fp_ret_start,
        int Fp_ret_end ):dag(m,k,Inp_start, Inp_end, Ret_start, Ret_end,
        Fp_ret_start, Fp_ret_end),_region_id(-1),_proc_name(NULL) {}

  ~DAGAnalysis() { delete[] _proc_name;}

  SetRegionId (int i) {_region_id = i;}
  SetProcName (char *i)
  {
    delete[] _proc_name;
    _proc_name = new char [strlen (i) + 1];
    strcpy (_proc_name, i);
  }

  //    void generate_vcg(VCG *vcg);
  void Measure (DAGMeasurements *measure);
  BigListElement *FindOp (legoOp* op);

  //    void break_flow_dependence(Node_Table *node_table,double acc_threshold,int hoist_threshold);
  //    void break_from_op(legoOp* from_op,legoOp *to_op);

private:
  int _region_id;
  char *_proc_name;
}; // end class DAGAnalysis

#endif //LEGOAN_DAGAN_HEADER

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