5 files changed, 11 insertions, 16 deletions
diff --git a/src/opt/sim/simSeq.c b/src/opt/sim/simSeq.c
index ba6b54d9..49fb939f 100644
--- a/src/opt/sim/simSeq.c
+++ b/src/opt/sim/simSeq.c
@@ -53,7 +53,7 @@ Vec_Ptr_t * Sim_SimulateSeqRandom( Abc_Ntk_t * pNtk, int nFrames, int nWords )
     assert( Abc_NtkIsStrash(pNtk) );
     vInfo = Sim_UtilInfoAlloc( Abc_NtkObjNumMax(pNtk), nWords * nFrames, 0 );
     // set the constant data
-    pNode = Abc_NtkConst1(pNtk);
+    pNode = Abc_AigConst1(pNtk);
     Sim_UtilSetConst( Sim_SimInfoGet(vInfo,pNode), nWords * nFrames, 1 );
     // set the random PI data
     Abc_NtkForEachPi( pNtk, pNode, i )
@@ -94,7 +94,7 @@ Vec_Ptr_t * Sim_SimulateSeqModel( Abc_Ntk_t * pNtk, int nFrames, int * pModel )
     int i, k;
     vInfo = Sim_UtilInfoAlloc( Abc_NtkObjNumMax(pNtk), nFrames, 0 );
     // set the constant data
-    pNode = Abc_NtkConst1(pNtk);
+    pNode = Abc_AigConst1(pNtk);
     Sim_UtilSetConst( Sim_SimInfoGet(vInfo,pNode), nFrames, 1 );
     // set the random PI data
     Abc_NtkForEachPi( pNtk, pNode, i )
diff --git a/src/opt/sim/simSupp.c b/src/opt/sim/simSupp.c
index dac0e5cf..f7048f4a 100644
--- a/src/opt/sim/simSupp.c
+++ b/src/opt/sim/simSupp.c
@@ -66,8 +66,8 @@ Vec_Ptr_t * Sim_ComputeStrSupp( Abc_Ntk_t * pNtk )
     // derive the structural supports of the internal nodes
     Abc_NtkForEachNode( pNtk, pNode, i )
     {
-        if ( Abc_NodeIsConst(pNode) )
-            continue;
+//        if ( Abc_NodeIsConst(pNode) )
+//            continue;
         pSimmNode  = vSuppStr->pArray[ pNode->Id ];
         pSimmNode1 = vSuppStr->pArray[ Abc_ObjFaninId0(pNode) ];
         pSimmNode2 = vSuppStr->pArray[ Abc_ObjFaninId1(pNode) ];
diff --git a/src/opt/sim/simSymSim.c b/src/opt/sim/simSymSim.c
index f0bf3633..ff0cafed 100644
--- a/src/opt/sim/simSymSim.c
+++ b/src/opt/sim/simSymSim.c
@@ -55,8 +55,8 @@ void Sim_SymmsSimulate( Sym_Man_t * p, unsigned * pPat, Vec_Ptr_t * vMatrsNonSym
 clk = clock();
     Vec_PtrForEachEntry( p->vNodes, pNode, i )
     {
-        if ( Abc_NodeIsConst(pNode) )
-            continue;
+//        if ( Abc_NodeIsConst(pNode) )
+//            continue;
         Sim_UtilSimulateNodeOne( pNode, p->vSim, p->nSimWords, 0 );
     }
 p->timeSim += clock() - clk;
@@ -65,7 +65,7 @@ clk = clock();
     Abc_NtkForEachCo( p->pNtk, pNode, i )
     {
         pNode = Abc_ObjFanin0(pNode);
-        if ( Abc_ObjIsCi(pNode) || Abc_NodeIsConst(pNode) )
+        if ( Abc_ObjIsCi(pNode) || Abc_AigNodeIsConst(pNode) )
             continue;
         nPairsTotal  = Vec_IntEntry(p->vPairsTotal, i);
         nPairsSym    = Vec_IntEntry(p->vPairsSym,   i);
diff --git a/src/opt/sim/simSymStr.c b/src/opt/sim/simSymStr.c
index 90e6056e..d52c4328 100644
--- a/src/opt/sim/simSymStr.c
+++ b/src/opt/sim/simSymStr.c
@@ -74,8 +74,8 @@ void Sim_SymmsStructCompute( Abc_Ntk_t * pNtk, Vec_Ptr_t * vMatrs, Vec_Ptr_t * v
     vNodes = Abc_NtkDfs( pNtk, 0 );
     Vec_PtrForEachEntry( vNodes, pTemp, i )
     {
-        if ( Abc_NodeIsConst(pTemp) )
-            continue;
+//        if ( Abc_NodeIsConst(pTemp) )
+//            continue;
         Sim_SymmsStructComputeOne( pNtk, pTemp, pMap );
     }
     // collect the results for the COs;
@@ -83,7 +83,7 @@ void Sim_SymmsStructCompute( Abc_Ntk_t * pNtk, Vec_Ptr_t * vMatrs, Vec_Ptr_t * v
     {
 //printf( "Output %d:\n", i );
         pTemp = Abc_ObjFanin0(pTemp);
-        if ( Abc_ObjIsCi(pTemp) || Abc_NodeIsConst(pTemp) )
+        if ( Abc_ObjIsCi(pTemp) || Abc_AigNodeIsConst(pTemp) )
             continue;
         Sim_SymmsTransferToMatrix( Vec_PtrEntry(vMatrs, i), SIM_READ_SYMMS(pTemp), Vec_PtrEntry(vSuppFun, i) );
     }
@@ -93,7 +93,7 @@ void Sim_SymmsStructCompute( Abc_Ntk_t * pNtk, Vec_Ptr_t * vMatrs, Vec_Ptr_t * v
     Abc_NtkForEachCi( pNtk, pTemp, i )
         Vec_IntFree( SIM_READ_SYMMS(pTemp) );
     Vec_PtrForEachEntry( vNodes, pTemp, i )
-        if ( !Abc_NodeIsConst(pTemp) )
+//        if ( !Abc_NodeIsConst(pTemp) )
             Vec_IntFree( SIM_READ_SYMMS(pTemp) );
     Vec_PtrFree( vNodes );
     free( pMap );
diff --git a/src/opt/sim/simUtils.c b/src/opt/sim/simUtils.c
index 59d73412..b0660001 100644
--- a/src/opt/sim/simUtils.c
+++ b/src/opt/sim/simUtils.c
@@ -232,9 +232,6 @@ void Sim_UtilSimulateNode( Sim_Man_t * p, Abc_Obj_t * pNode, bool fType, bool fT
     // simulate the internal nodes
     if ( Abc_ObjIsNode(pNode) )
     {
-        if ( Abc_NodeIsConst(pNode) )
-            return;
-
         if ( fType )
             pSimmNode  = p->vSim1->pArray[ pNode->Id ];
         else
@@ -305,8 +302,6 @@ void Sim_UtilSimulateNodeOne( Abc_Obj_t * pNode, Vec_Ptr_t * vSimInfo, int nSimW
     int k, fComp1, fComp2;
     // simulate the internal nodes
     assert( Abc_ObjIsNode(pNode) );
-    if ( Abc_NodeIsConst(pNode) )
-        return;
     pSimmNode  = Vec_PtrEntry(vSimInfo, pNode->Id);
     pSimmNode1 = Vec_PtrEntry(vSimInfo, Abc_ObjFaninId0(pNode));
     pSimmNode2 = Vec_PtrEntry(vSimInfo, Abc_ObjFaninId1(pNode));