ConstantAliasAnalyzer.hh

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/*
    Copyright (c) 2002-2009 Tampere University.
 
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/**
 * @file ConstantAliasAnalyzer.hh
 *
 * Declaration of ConstantAliasAnalyzer class.
 * 
 * This class does simple alias analysis between memove addresses
 * that come directly from immediates.
 *
 * @author Heikki Kultala 2007 (heikki.kultala-no.spam-tut.fi)
 * @note rating: red
 */
 
#ifndef TTA_CONSTANT_ALIAS_ANALYZER
#define TTA_CONSTANT_ALIAS_ANALYZER
 
#include "MemoryAliasAnalyzer.hh"
 
class ConstantAliasAnalyzer : public MemoryAliasAnalyzer {
public:
    virtual bool isAddressTraceable(
        DataDependenceGraph& ddg, const ProgramOperation& pop);
    virtual AliasingResult analyze(
        DataDependenceGraph& ddg, const ProgramOperation& pop1, 
        const ProgramOperation& pop2, MoveNodeUse::BBRelation bbInfo);
    
    static bool getConstantAddress(
        DataDependenceGraph& ddg,
        const ProgramOperation& po,
        long& addr,
        long& loopIncrement);
 
    ~ConstantAliasAnalyzer();
};
 
#endif