Changes to LUT mappers.

src/base/abci/abc.c

@@ -15075,7 +15075,7 @@ int Abc_CommandIf( Abc_Frame_t * pAbc, int argc, char ** argv )
 
     if ( pPars->fUseDsd )
     {
-        pPars->fTruth      =  1;
+        pPars->fTruth      =  0;
         pPars->fCutMin     =  1;
         pPars->fExpRed     =  0;
         pPars->fUsePerm    =  1;

src/map/if/if.h

@@ -230,8 +230,6 @@ struct If_Man_t_
     int                nCutsCountAll;
     int                nCutsUselessAll;
     int                nCuts5, nCuts5a;
-//    Abc_Nam_t *        pNamDsd;
-    int                iNamVar;
     Dss_Man_t *        pDsdMan;
     Vec_Mem_t *        vTtMem;        // truth table memory and hash table
     int                nBestCutSmall[2];
@@ -256,7 +254,8 @@ struct If_Cut_t_
     float              Edge;          // the edge flow
     float              Power;         // the power flow
     float              Delay;         // delay of the cut
-    int                iCutFunc;      // DSD ID of the cut
+    int                iCutFunc;      // TT ID of the cut
+    int                iCutDsd;       // DSD ID of the cut
     unsigned           uSign;         // cut signature
     unsigned           Cost    : 13;  // the user's cost of the cut (related to IF_COST_MAX)
     unsigned           fCompl  :  1;  // the complemented attribute 

src/map/if/ifCut.c

@@ -885,7 +885,12 @@ void If_CutSort( If_Man_t * p, If_Set_t * pCutSet, If_Cut_t * pCut )
         return;
     }
 
-    if ( (p->pPars->fUseDsd || p->pPars->fUseBat || p->pPars->fEnableCheck07 || p->pPars->fEnableCheck08 || p->pPars->fEnableCheck10 || p->pPars->fEnableCheck75 || p->pPars->fEnableCheck75u || p->pPars->pLutStruct || p->pPars->fUserRecLib) && !pCut->fUseless )
+    if ( !pCut->fUseless && 
+         (p->pPars->fUseDsd || p->pPars->fUseBat || 
+          p->pPars->pLutStruct || p->pPars->fUserRecLib || 
+          p->pPars->fEnableCheck07 || p->pPars->fEnableCheck08 || 
+          p->pPars->fEnableCheck10 || p->pPars->fEnableCheck75 || 
+          p->pPars->fEnableCheck75u) )
     {
         If_Cut_t * pFirst = pCutSet->ppCuts[0];
         if ( pFirst->fUseless || If_ManSortCompare(p, pFirst, pCut) == 1 )

src/map/if/ifMan.c

@@ -84,13 +84,7 @@ If_Man_t * If_ManStart( If_Par_t * pPars )
     p->puTemp[3] = p->puTemp[2] + p->nTruth6Words*2;
     p->puTempW   = p->pPars->fTruth? ABC_ALLOC( word, p->nTruth6Words ) : NULL;
     if ( pPars->fUseDsd )
-    {
-//    p->pNamDsd   = Abc_NamStart( 1000, 20 );
-//    p->iNamVar   = Abc_NamStrFindOrAdd( p->pNamDsd, "a", NULL );
         p->pDsdMan = Dss_ManAlloc( pPars->nLutSize, pPars->nNonDecLimit );
-        p->iNamVar = 2;
-    }
-
     // create the constant node
     p->pConst1   = If_ManSetupObj( p );
     p->pConst1->Type   = IF_CONST1;
@@ -436,14 +430,11 @@ void If_ManSetupCutTriv( If_Man_t * p, If_Cut_t * pCut, int ObjId )
     pCut->nLeaves    = 1;
     pCut->pLeaves[0] = p->pPars->fLiftLeaves? (ObjId << 8) : ObjId;
     pCut->uSign      = If_ObjCutSign( pCut->pLeaves[0] );
-    if ( p->pPars->fUseDsd )
-    {
-        pCut->iCutFunc = p->iNamVar;
-        pCut->pPerm[0] = 0;
-    }
-    // set up elementary truth table of the unit cut
     pCut->iCutFunc   = p->pPars->fTruth ? 2 : -1;
+    pCut->iCutDsd    = p->pPars->fUseDsd ? 2 : -1;
     assert( pCut->pLeaves[0] < p->vObjs->nSize );
+    if ( p->pPars->fUseDsd )
+        pCut->pPerm[0] = 0;
 }
 
 /**Function*************************************************************

src/map/if/ifMap.c

@@ -186,6 +186,10 @@ void If_ObjPerformMappingAnd( If_Man_t * p, If_Obj_t * pObj, int Mode, int fPrep
             If_CutCopy( p, pCutSet->ppCuts[pCutSet->nCuts++], pCut );
     }
 
+    if ( pObj->Id == 153 )
+    {
+        int s = 0;
+    }
     // generate cuts
     If_ObjForEachCut( pObj->pFanin0, pCut0, i )
     If_ObjForEachCut( pObj->pFanin1, pCut1, k )
@@ -211,14 +215,14 @@ void If_ObjPerformMappingAnd( If_Man_t * p, If_Obj_t * pObj, int Mode, int fPrep
         // compute the truth table
         pCut->fCompl = 0;
         pCut->iCutFunc = -1;
+        pCut->iCutDsd = -1;
         if ( p->pPars->fTruth )
         {
 //            abctime clk = Abc_Clock();
-            int RetValue = If_CutComputeTruth( p, pCut, pCut0, pCut1, pObj->fCompl0, pObj->fCompl1 );
+            If_CutComputeTruth( p, pCut, pCut0, pCut1, pObj->fCompl0, pObj->fCompl1 );
 //            p->timeTruth += Abc_Clock() - clk;
-
             pCut->fUseless = 0;
-            if ( p->pPars->pFuncCell && RetValue < 2 )
+            if ( p->pPars->pFuncCell )
             {
                 assert( pCut->nLimit >= 4 && pCut->nLimit <= 16 );
                 pCut->fUseless = !p->pPars->pFuncCell( p, If_CutTruth(p, pCut), pCut->nLimit, pCut->nLeaves, p->pPars->pLutStruct );
@@ -253,13 +257,10 @@ void If_ObjPerformMappingAnd( If_Man_t * p, If_Obj_t * pObj, int Mode, int fPrep
         }
         if ( p->pPars->fUseDsd )
         {
-            if ( pCut0->iCutFunc < 0 || pCut1->iCutFunc < 0 )
-                pCut->iCutFunc = -1;
-            else
-            {
-                int j, iDsd[2] = { Abc_LitNotCond(pCut0->iCutFunc, pObj->fCompl0), Abc_LitNotCond(pCut1->iCutFunc, pObj->fCompl1) };
+            int j, iDsd[2] = { Abc_LitNotCond(pCut0->iCutDsd, pObj->fCompl0), Abc_LitNotCond(pCut1->iCutDsd, pObj->fCompl1) };
             int nFans[2] = { pCut0->nLeaves, pCut1->nLeaves };
             int Fans[2][DAU_MAX_VAR], * pFans[2] = { Fans[0], Fans[1] };
+            assert( pCut0->iCutDsd >= 0 && pCut1->iCutDsd >= 0 );
             // create fanins
             for ( j = 0; j < (int)pCut0->nLeaves; j++ )
                 pFans[0][j] = Abc_Lit2LitV( p->pPerm[0], (int)pCut0->pPerm[j] );
@@ -273,9 +274,8 @@ void If_ObjPerformMappingAnd( If_Man_t * p, If_Obj_t * pObj, int Mode, int fPrep
                 ABC_SWAP( int *, pFans[0], pFans[1] );
             }
             // derive new DSD
-                pCut->iCutFunc = Dss_ManMerge( p->pDsdMan, iDsd, nFans, pFans, p->uSharedMask, pCut->nLimit, (unsigned char *)pCut->pPerm, If_CutTruthW(p, pCut) );
-            }
-            if ( pCut->iCutFunc < 0 )
+            pCut->iCutDsd = Dss_ManMerge( p->pDsdMan, iDsd, nFans, pFans, p->uSharedMask, pCut->nLimit, (unsigned char *)pCut->pPerm, If_CutTruthW(p, pCut) );
+            if ( pCut->iCutDsd < 0 )
             {
                 pCut->fUseless = 1;
                 p->nCutsUselessAll++;

src/opt/dau/dauTree.c

@@ -981,7 +981,7 @@ Dss_Man_t * Dss_ManAlloc( int nVars, int nNonDecLimit )
     p->vCopies = Vec_IntAlloc( 32 );
     p->pTtElems = Dss_ManTtElems();
     p->pMemEnts = Mem_FlexStart();
-    Dss_ManCacheAlloc( p );
+//    Dss_ManCacheAlloc( p );
     return p;
 }
 void Dss_ManFree( Dss_Man_t * p )