J9LocalCSE.hpp

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#ifndef J9_LOCALCSE_INCL
#define J9_LOCALCSE_INCL

#include "optimizer/OMRLocalCSE.hpp"

namespace J9
{

// Performs local common subexpression elimination within
// a basic block.
//

class LocalCSE : public OMR::LocalCSE
   {
   public:

   LocalCSE(TR::OptimizationManager *manager) : OMR::LocalCSE(manager)
      {}

   virtual bool shouldTransformBlock(TR::Block *block);
   virtual bool shouldCommonNode(TR::Node *parent, TR::Node *node);
   virtual bool shouldCopyPropagateNode(TR::Node *parent,
                                        TR::Node *node,
                                        int32_t childNum,
                                        TR::Node *storeNode);
   };

}

#endif