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-rw-r--r--src/aig/gia/giaIf.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/aig/gia/giaIf.c b/src/aig/gia/giaIf.c
index d665b4cb..72b0c976 100644
--- a/src/aig/gia/giaIf.c
+++ b/src/aig/gia/giaIf.c
@@ -843,7 +843,7 @@ int Gia_ManFromIfLogicNode( void * pIfMan, Gia_Man_t * pNew, int iObj, Vec_Int_t
// create mapping
iObjLit1 = Gia_ManFromIfLogicCreateLut( pNew, pRes, vLeaves, vCover, vMapping, vMapping2 );
// write packing
- if ( !Gia_ObjIsCi(Gia_ManObj(pNew, Abc_Lit2Var(iObjLit1))) )
+ if ( !Gia_ObjIsCi(Gia_ManObj(pNew, Abc_Lit2Var(iObjLit1))) && iObjLit1 > 1 )
{
Vec_IntPush( vPacking, 1 );
Vec_IntPush( vPacking, Abc_Lit2Var(iObjLit1) );
@@ -885,7 +885,7 @@ int Gia_ManFromIfLogicNode( void * pIfMan, Gia_Man_t * pNew, int iObj, Vec_Int_t
// create mapping
iObjLit1 = Gia_ManFromIfLogicCreateLut( pNew, pRes, vLeaves, vCover, vMapping, vMapping2 );
// write packing
- if ( !Gia_ObjIsCi(Gia_ManObj(pNew, Abc_Lit2Var(iObjLit1))) )
+ if ( !Gia_ObjIsCi(Gia_ManObj(pNew, Abc_Lit2Var(iObjLit1))) && iObjLit1 > 1 )
{
Vec_IntPush( vPacking, 1 );
Vec_IntPush( vPacking, Abc_Lit2Var(iObjLit1) );
@@ -1183,7 +1183,7 @@ int Gia_ManFromIfLogicFindLut( If_Man_t * pIfMan, Gia_Man_t * pNew, If_Cut_t * p
{
RetValue = Gia_ManFromIfLogicCreateLut( pNew, If_CutTruthW(pIfMan, pCutBest), vLeaves, vCover, vMapping, vMapping2 );
// write packing
- if ( !Gia_ObjIsCi(Gia_ManObj(pNew, Abc_Lit2Var(RetValue))) )
+ if ( !Gia_ObjIsCi(Gia_ManObj(pNew, Abc_Lit2Var(RetValue))) && RetValue > 1 )
{
Vec_IntPush( vPacking, 1 );
Vec_IntPush( vPacking, Abc_Lit2Var(RetValue) );