ConstantTransformer.hh

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/*
    Copyright (c) 2002-2015 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
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/**
 * @file ConstantTransformer.hh
 *
 * Declaration of ConstantTransformer class.
 *
 * @author Pekka Jääskeläinen 2015 
 * @note reting: red
 */
 
#ifndef CONSTANT_TRANSFORMER_H
#define CONSTANT_TRANSFORMER_H
 
#include <llvm/CodeGen/MachineFunctionPass.h>
#include "Machine.hh"
 
/**
 * Transforms constants in the program that cannot be
 * encoded by the machine to ones that can be.
 */
class ConstantTransformer : public llvm::MachineFunctionPass {
public:
    static char ID; 
    ConstantTransformer(
        const TTAMachine::Machine& mach) : 
        MachineFunctionPass(ID), mach_(mach) {}
    virtual ~ConstantTransformer() {}
 
    bool doInitialization(llvm::Module& M);
    bool runOnMachineFunction(llvm::MachineFunction& mf);
    bool doFinalization(llvm::Module& M);
 
private:    
    const TTAMachine::Machine& mach_;
};
 
#endif