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authorAlan Mishchenko <alanmi@berkeley.edu>2011-07-28 15:27:07 +0700
committerAlan Mishchenko <alanmi@berkeley.edu>2011-07-28 15:27:07 +0700
commit9e6d0664cbc8f25bbbcdb1f022864b518afd2038 (patch)
treecbadf866ba6eba491525e16f780843fa0d4b6496 /src/base/abci/abcIf.c
parentfddff7a55b127d592d625eb3df703a51e4386518 (diff)
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Other changes to enable new features in the mapper (bug fix).
Diffstat (limited to 'src/base/abci/abcIf.c')
-rw-r--r--src/base/abci/abcIf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/base/abci/abcIf.c b/src/base/abci/abcIf.c
index 081bf281..e1218343 100644
--- a/src/base/abci/abcIf.c
+++ b/src/base/abci/abcIf.c
@@ -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 )