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Other changes to enable new features in the mapper (bug fix).

This commit is contained in:
Alan Mishchenko 2011-07-28 15:27:07 +07:00
parent fddff7a55b
commit 9e6d0664cb
1 changed files with 1 additions and 1 deletions
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2
src/base/abci/abcIf.c
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@ -323,7 +323,7 @@ Abc_Ntk_t * Abc_NtkFromIf( If_Man_t * pIfMan, Abc_Ntk_t * pNtk )
// remove the constant node if not used
pNodeNew = (Abc_Obj_t *)If_ObjCopy( If_ManConst1(pIfMan) );
if ( Abc_ObjFanoutNum(pNodeNew) == 0 )
if ( Abc_ObjFanoutNum(pNodeNew) == 0 && !Abc_ObjIsNone(pNodeNew) )
Abc_NtkDeleteObj( pNodeNew );
// minimize the node
if ( pIfMan->pPars->fUseBdds || pIfMan->pPars->fUseCnfs || pIfMan->pPars->fUseMv )