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fix a bug when yosys constants are already declared

This commit is contained in:
MyskYko 2025-06-17 16:41:32 -07:00
parent 6463f11625
commit e9845e534a
1 changed files with 3 additions and 3 deletions
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6
src/base/abc/abcNtk.c
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@ -1565,19 +1565,19 @@ void Abc_NtkFixNonDrivenNets( Abc_Ntk_t * pNtk )
// special case
pNet = Abc_NtkFindNet( pNtk, "$false" );
if ( pNet != NULL )
if ( pNet != NULL && !Abc_ObjFaninNum(pNet) )
{
pNode = Abc_NtkCreateNodeConst0( pNtk );
Abc_ObjAddFanin( pNet, pNode );
}
pNet = Abc_NtkFindNet( pNtk, "$undef" );
if ( pNet != NULL )
if ( pNet != NULL && !Abc_ObjFaninNum(pNet) )
{
pNode = Abc_NtkCreateNodeConst0( pNtk );
Abc_ObjAddFanin( pNet, pNode );
}
pNet = Abc_NtkFindNet( pNtk, "$true" );
if ( pNet != NULL )
if ( pNet != NULL && !Abc_ObjFaninNum(pNet) )
{
pNode = Abc_NtkCreateNodeConst1( pNtk );
Abc_ObjAddFanin( pNet, pNode );