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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359 91177308-0d34-0410-b5e6-96231b3b80d8
63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
/* Title: ValueSet.h
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Author: Ruchira Sasanka
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Date: Jun 30, 01
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Purpose: Contains a mathematical set of Values. LiveVarSet is derived from
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this. Contains both class and method definitions.
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*/
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#ifndef VALUE_SET_H
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#define VALUE_SET_H
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#include <stdlib.h>
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#include <hash_set>
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#include <algorithm>
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#include <fstream>
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#include <iostream>
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#include "llvm/Value.h"
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//------------------------ Support functions ---------------------------------
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struct hashFuncValue { // sturcture containing the hash func
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inline size_t operator () (const Value *const val) const
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{ return (size_t) val; }
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};
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//------------------- Class Definition for ValueSet --------------------------
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void printValue( const Value *const v); // func to print a Value
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class ValueSet : public hash_set<const Value *, hashFuncValue >
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{
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public:
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ValueSet(); // constructor
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inline void add(const Value *const val)
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{ assert( val ); insert(val);} // for adding a live variable to set
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inline void remove(const Value *const val)
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{ assert( val ); erase(val); } // for removing a live var from set
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bool setUnion( const ValueSet *const set1); // for performing set union
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void setSubtract( const ValueSet *const set1); // for performing set diff
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void setDifference( const ValueSet *const set1, const ValueSet *const set2);
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void printSet() const; // for printing a live variable set
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};
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#endif
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