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-rw-r--r--src/aig/gia/giaNf.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/aig/gia/giaNf.c b/src/aig/gia/giaNf.c
index 45fe6afa..f191dfd7 100644
--- a/src/aig/gia/giaNf.c
+++ b/src/aig/gia/giaNf.c
@@ -808,6 +808,7 @@ static inline int Nf_ManPrepareCuts( Nf_Cut_t * pCuts, Nf_Man_t * p, int iObj, i
pMfCut->iFunc = Nf_CutFunc( pCut );
pMfCut->nLeaves = Nf_CutSize( pCut );
pMfCut->Sign = Nf_CutGetSign( pCut+1, Nf_CutSize(pCut) );
+ pMfCut->Useless = Nf_ObjCutUseless( p, Abc_Lit2Var(pMfCut->iFunc) );
memcpy( pMfCut->pLeaves, pCut+1, sizeof(int) * Nf_CutSize(pCut) );
pMfCut++;
}