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/* Title: LiveVarMap.h
Author: Ruchira Sasanka
Date: Jun 30, 01
Purpose: This file contains the class for a map between the BasicBlock class
and the BBLiveVar class, which is a wrapper class of BasicBlock
used for the live variable analysis. The reverse mapping can
be found in the BBLiveVar class (It has a pointer to the
corresponding BasicBlock)
*/
#ifndef LIVE_VAR_MAP_H
#define LIVE_VAR_MAP_H
#include <hash_map>
class BasicBlock;
class BBLiveVar;
struct hashFuncMInst { // sturcture containing the hash function for MInst
inline size_t operator () (const MachineInstr *val) const {
return (size_t) val;
}
};
struct hashFuncBB { // sturcture containing the hash function for BB
inline size_t operator () (const BasicBlock *val) const {
return (size_t) val;
}
};
typedef hash_map<const BasicBlock *,
BBLiveVar *, hashFuncBB > BBToBBLiveVarMapType;
typedef hash_map<const MachineInstr *, const LiveVarSet *,
hashFuncMInst> MInstToLiveVarSetMapType;
#endif
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