int cseAllBlocks (eBBlock **, int);
void ifxOptimize (iCode *, set *, int, eBBlock *, int *, eBBlock **, int);
void unsetDefsAndUses (iCode *);
-void updateSpillLocation (iCode * ic);
+void updateSpillLocation (iCode * ic,int);
void setUsesDefs (operand *, bitVect *, bitVect *, bitVect **);
void replaceAllSymBySym (iCode *, operand *, operand *, bitVect **);
+iCode *findBackwardDef(operand *,iCode *);
+void ReplaceOpWithCheaperOp(operand **op, operand *cop);
#endif