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/* Title: ValueSet.h -*- C++ -*-
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
class Value;
#include "Support/HashExtras.h"
#include <ext/hash_set>
//------------------- Class Definition for ValueSet --------------------------
void printValue( const Value *const v); // func to print a Value
class ValueSet : public std::hash_set<const Value *> {
public:
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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