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Making sure duplicated inverters are not created.

This commit is contained in:
Alan Mishchenko 2018-04-11 18:33:00 -07:00
parent a41a910864
commit a8f913f75a
1 changed files with 9 additions and 3 deletions
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12
src/aig/gia/giaMini.c
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@ -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