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-rw-r--r--src/aig/gia/giaMini.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/src/aig/gia/giaMini.c b/src/aig/gia/giaMini.c
index e14a9a9e..41c6a702 100644
--- a/src/aig/gia/giaMini.c
+++ b/src/aig/gia/giaMini.c
@@ -305,6 +305,7 @@ Mini_Lut_t * Gia_ManToMiniLut( Gia_Man_t * pGia )
Vec_Bit_t * vMarks;
Gia_Obj_t * pObj, * pFanin;
Vec_Int_t * vLeaves = Vec_IntAlloc( 16 );
+ Vec_Int_t * vInvMap = Vec_IntStart( Gia_ManObjNum(pGia) );
int i, k, iFanin, LutSize, nWords, Count = 0, pVars[16];
word * pTruth;
assert( Gia_ManHasMapping(pGia) );
@@ -361,12 +362,17 @@ Mini_Lut_t * Gia_ManToMiniLut( Gia_Man_t * pGia )
pObj->Value = Mini_LutCreatePo( p, Gia_ObjFanin0(pObj)->Value );
else // add inverter LUT
{
- int Fanin = Gia_ObjFanin0(pObj)->Value;
- int LutInv = Mini_LutCreateNode( p, 1, &Fanin, (unsigned *)pTruth );
+ int LutInv, Fanin = Gia_ObjFanin0(pObj)->Value;
+ if ( (LutInv = Vec_IntEntry(vInvMap, Fanin)) == 0 )
+ {
+ LutInv = Mini_LutCreateNode( p, 1, &Fanin, (unsigned *)pTruth );
+ Vec_IntWriteEntry( vInvMap, Fanin, LutInv );
+ Count++;
+ }
pObj->Value = Mini_LutCreatePo( p, LutInv );
- Count++;
}
}
+ Vec_IntFree( vInvMap );
Vec_BitFree( vMarks );
Gia_ObjComputeTruthTableStop( pGia );
// set registers