OperationPoolPimpl.hh

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/*
    Copyright (c) 2002-2009 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
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/**
 * @file OperationPoolPimpl.hh
 *
 * Declaration of OperationPoolPimpl (private implementation) class.
 *
 * @author Viljami Korhonen 2008 (viljami.korhonen-no.spam-tut.fi)
 * @note rating: red
 */
 
#ifndef OPERATIONPOOL_PIMPL_HH
#define OPERATIONPOOL_PIMPL_HH
 
#include <string>
#include <map>
#include "tce_config.h"
 
class OperationPool;
class OperationBehaviorLoader;
class OperationBehaviorProxy;
class OperationIndex;
class Operation;
namespace llvm {
    class MCInstrDesc;
    class MCInstrInfo;
}
 
/**
 * A private implementation class for OperationPool
 */
class OperationPoolPimpl {
public:
    friend class OperationPool;
    ~OperationPoolPimpl();
    
    Operation& operation(const char* name);
    OperationIndex& index();
    bool sharesState(const Operation& op);
 
    static void cleanupCache();
 
    static void setLLVMTargetInstrInfo(const llvm::MCInstrInfo* tid) {
        llvmTargetInstrInfo_ = tid;
    }
private:
    OperationPoolPimpl();
    
    /// Container for operations indexed by their names.
    typedef std::map<std::string, Operation*> OperationTable;
 
    /// Copying not allowed.
    OperationPoolPimpl(const OperationPoolPimpl&);
    /// Assignment not allowed.
    OperationPoolPimpl& operator=(const OperationPoolPimpl&);
    Operation* loadFromLLVM(const llvm::MCInstrDesc& tid);
    /// Operation pool uses this to load behavior models of the operations.
    static OperationBehaviorLoader* loader_;
    /// Indexed table used to find out which operation module contains the
    /// given operation.
    static OperationIndex* index_;
    
    OperationSerializer serializer_;
    
    /// Contains all operations that have been already requested by the client.
    static OperationTable operationCache_;
    /// Contains all operation behavior proxies.
    static std::vector<OperationBehaviorProxy*> proxies_; 
    /// If this is set, OSAL data is loaded from the TargetInstrInfo
    /// instead of .opp XML files. Used when calling the TCE scheduler from
    /// non-TTA LLVM targets.
    static const llvm::MCInstrInfo* llvmTargetInstrInfo_;
};
 
#endif