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/* Title: ValueSet.h
Author: Ruchira Sasanka
Date: Jun 30, 01
Purpose: Contains a mathematical set of Values. LiveVarSet is derived from
this. Contains both class and method definitions.
*/
#ifndef VALUE_SET_H
#define VALUE_SET_H
#include <stdlib.h>
#include <hash_set>
#include <algorithm>
#include <fstream>
#include <iostream>
#include "llvm/Value.h"
//------------------------ Support functions ---------------------------------
struct hashFuncValue { // sturcture containing the hash func
inline size_t operator () (const Value *const val) const
{ return (size_t) val; }
};
//------------------- Class Definition for ValueSet --------------------------
void printValue( const Value *const v); // func to print a Value
class ValueSet : public hash_set<const Value *, hashFuncValue >
{
public:
ValueSet(); // constructor
inline void add(const Value *const val)
{ assert( val ); insert(val);} // for adding a live variable to set
inline void remove(const Value *const val)
{ assert( val ); erase(val); } // for removing a live var from set
bool setUnion( const ValueSet *const set1); // for performing set union
void setSubtract( const ValueSet *const set1); // for performing set diff
void setDifference( const ValueSet *const set1, const ValueSet *const set2);
void printSet() const; // for printing a live variable set
};
#endif
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