diff options
Diffstat (limited to 'src/base/abci/abcSweep.c')
| -rw-r--r-- | src/base/abci/abcSweep.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/base/abci/abcSweep.c b/src/base/abci/abcSweep.c index 9fe5bea0..1841ba8c 100644 --- a/src/base/abci/abcSweep.c +++ b/src/base/abci/abcSweep.c @@ -449,6 +449,7 @@ int Abc_NtkCleanup( Abc_Ntk_t * pNtk, int fVerbose ) Vec_Ptr_t * vNodes; Abc_Obj_t * pNode; int i, Counter; + assert( !Abc_NtkHasAig(pNtk) ); // mark the nodes reachable from the POs vNodes = Abc_NtkDfs( pNtk, 0 ); for ( i = 0; i < vNodes->nSize; i++ ) @@ -458,7 +459,7 @@ int Abc_NtkCleanup( Abc_Ntk_t * pNtk, int fVerbose ) } Vec_PtrFree( vNodes ); // if it is an AIG, also mark the constant 1 node - if ( Abc_NtkIsStrash(pNtk) ) + if ( Abc_NtkConst1(pNtk) ) Abc_NtkConst1(pNtk)->fMarkA = 1; // remove the non-marked nodes Counter = 0; @@ -514,7 +515,7 @@ int Abc_NtkSweep( Abc_Ntk_t * pNtk, int fVerbose ) { // sweep constants and single-input nodes Abc_NtkForEachNode( pNtk, pNode, i ) - if ( Abc_ObjFaninNum(pNode) < 2 ) + if ( i && Abc_ObjFaninNum(pNode) < 2 ) Abc_NodeSweep( pNode, fVerbose ); // make the network minimum base Abc_NtkRemoveDupFanins(pNtk); |