Debugging a combo loop in NDR.

src/base/wlc/wlcNtk.c

@@ -90,10 +90,11 @@ static char * Wlc_Names[WLC_OBJ_NUMBER+1] = {
     "addsub",              // 56: adder/subtractor
     "sel",                 // 57: selector
     "dec",                 // 58: decoder
+    "LUT",                 // 59: lookup table
     NULL                   // 58: unused
 };
 
-char * Wlc_ObjTypeName( Wlc_Obj_t * p ) { return Wlc_Names[p->Type]; }
+char * Wlc_ObjTypeName( Wlc_Obj_t * p ) { return p ? (p->Type < WLC_OBJ_NUMBER ? Wlc_Names[p->Type] : "out_of_bound") : "no_obj"; }
 
 ////////////////////////////////////////////////////////////////////////
 ///                     FUNCTION DEFINITIONS                         ///
@@ -945,8 +946,8 @@ void Wlc_NtkDupDfs_rec( Wlc_Ntk_t * pNew, Wlc_Ntk_t * p, int iObj, Vec_Int_t * v
         return;
     if ( Wlc_ObjCopy(p, iObj) )
         return;
-    //printf( "Visiting node %d with type %d (%s)\n", iObj, Wlc_NtkObj(p, iObj)->Type, Wlc_NtkObj(p, iObj)->Type < WLC_OBJ_NUMBER ? Wlc_Names[Wlc_NtkObj(p, iObj)->Type] : NULL );
     pObj = Wlc_NtkObj( p, iObj );
+    //printf( "Visiting node %16s (ID %6d) of type %5s (type ID %2d)\n", Wlc_ObjName(p, iObj), iObj, Wlc_ObjTypeName(pObj), Wlc_NtkObj(p, iObj)->Type );
     assert( pObj->Type != WLC_OBJ_FF );
     Wlc_ObjForEachFanin( pObj, iFanin, i )
         Wlc_NtkDupDfs_rec( pNew, p, iFanin, vFanins );