CallsToJumps.hh

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/*
    Copyright (c) 2002-2014 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
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    The above copyright notice and this permission notice shall be included in
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 */
#ifndef TTA_CALLS_TO_JUMPS_HH
#define TTA_CALLS_TO_JUMPS_HH
 
#include "ControlFlowGraphPass.hh"
 
/**
 * Pass that converts all CALL operation calls to a JUMP that succeeds a 
 * regular move to RA that stores the address of the instruction following
 * the original CALL.
 *
 * This pass should be called for an unscheduled CFG before DDG construction.
 */
class CallsToJumps : public ControlFlowGraphPass {
public:
    CallsToJumps(InterPassData& data) : ControlFlowGraphPass(data) {}
    virtual ~CallsToJumps() {}
 
    virtual void handleControlFlowGraph(
        ControlFlowGraph& cfg, const TTAMachine::Machine& targetMachine);
 
    std::string shortDescription() const {
        return "Converts CALL operations to JUMPs and explicit RA save moves.";
    }
};
 
#endif