Experiments with recent ideas.

src/aig/gia/gia.h

@@ -139,6 +139,7 @@ struct Gia_Man_t_
     Vec_Int_t *    vFlopClasses;  // classes of flops for retiming/merging/etc
     Vec_Int_t *    vGateClasses;  // classes of gates for abstraction
     Vec_Int_t *    vObjClasses;   // classes of objects for abstraction
+    Vec_Int_t *    vInitClasses;  // classes of flops for retiming/merging/etc
     Vec_Int_t *    vDoms;         // dominators
     unsigned char* pSwitching;    // switching activity for each object
     Gia_Plc_t *    pPlacement;    // placement of the objects

src/aig/gia/giaMan.c

@@ -95,6 +95,7 @@ void Gia_ManStop( Gia_Man_t * p )
     Vec_IntFreeP( &p->vFlopClasses );
     Vec_IntFreeP( &p->vGateClasses );
     Vec_IntFreeP( &p->vObjClasses );
+    Vec_IntFreeP( &p->vInitClasses );
     Vec_IntFreeP( &p->vDoms );
     Vec_IntFreeP( &p->vLevels );
     Vec_IntFreeP( &p->vTruths );