LLVMTCEDataDependenceGraphBuilder.hh

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/*
    Copyright (c) 2002-2010 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
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/**
 * @file LLVMTCEDataDependenceGraphBuilder.hh
 *
 * Declaration of LLVMTCE data dependence graph builder class.
 *
 * @author Pekka Jääskeläinen 2010 (pjaaskel)
 * @note rating: red
 */
 
#ifndef TTA_LLVMTCE_DDG_BUILDER_HH
#define TTA_LLVMTCE_DDG_BUILDER_HH
 
#include "DataDependenceGraphBuilder.hh"
 
namespace TTAProgram {
    class BasicBlock;
}
 
/**
 * LLVMTCEDataDependenceGraphBuilder class is repsonsible for building data 
 * dependence graphs with assistance from LLVM internal representation data.
 *
 * Currently used to produce DDGs from the prebypassed sequential code 
 * input from the TTA-like LLVM backend.
 */
class LLVMTCEDataDependenceGraphBuilder : 
    public DataDependenceGraphBuilder {
public:
    LLVMTCEDataDependenceGraphBuilder(InterPassData& ipd) : 
        DataDependenceGraphBuilder(ipd) {}
    virtual ~LLVMTCEDataDependenceGraphBuilder() {}
 
    virtual DataDependenceGraph* buildFromCFG(
        ControlFlowGraph& cGraph, const UniversalMachine* um = NULL);
 
    virtual DataDependenceGraph* buildFromBB(
        TTAProgram::BasicBlock& bb, const UniversalMachine* um = NULL);
 
private:
    void buildLocalDDG(TTAProgram::BasicBlock& bb);
};
 
#endif