diff options
Diffstat (limited to 'src/aig/gia/giaEquiv.c')
| -rw-r--r-- | src/aig/gia/giaEquiv.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/aig/gia/giaEquiv.c b/src/aig/gia/giaEquiv.c index 224d9c4d..5c82b260 100644 --- a/src/aig/gia/giaEquiv.c +++ b/src/aig/gia/giaEquiv.c @@ -2818,6 +2818,66 @@ Gia_Man_t * Cec4_ManSatSolverChoices( Gia_Man_t * p, Gia_Man_t * pNew ) return pCho; } +/**Function************************************************************* + + Synopsis [Converting AIG after SAT sweeping into AIG with choices.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Gia_Man_t * Gia_ManCombSpecReduce( Gia_Man_t * p ) +{ + Gia_Obj_t * pObj, * pRepr; int i, iLit; + Vec_Int_t * vXors = Vec_IntAlloc( 100 ); + Gia_Man_t * pTemp, * pNew = Gia_ManStart( Gia_ManObjNum(p) ); + assert( p->pReprs && p->pNexts ); + pNew->pName = Abc_UtilStrsav( p->pName ); + pNew->pSpec = Abc_UtilStrsav( p->pSpec ); + Gia_ManLevelNum(p); + Gia_ManSetPhase(p); + Gia_ManFillValue(p); + Gia_ManConst0(p)->Value = 0; + Gia_ManForEachCi( p, pObj, i ) + pObj->Value = Gia_ManAppendCi( pNew ); + Gia_ManHashAlloc( pNew ); + Gia_ManForEachAnd( p, pObj, i ) + { + pObj->Value = Gia_ManHashAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) ); + pRepr = Gia_ObjReprObj( p, i ); + if ( pRepr && Abc_Lit2Var(pObj->Value) != Abc_Lit2Var(pRepr->Value) ) + { + //if ( Gia_ObjLevel(p, pRepr) > Gia_ObjLevel(p, pObj) + 50 ) + //printf( "%d %d ", Gia_ObjLevel(p, pRepr), Gia_ObjLevel(p, pObj) ); + iLit = Abc_LitNotCond( pRepr->Value, pObj->fPhase ^ pRepr->fPhase ); + Vec_IntPush( vXors, Gia_ManHashXor( pNew, pObj->Value, iLit ) ); + pObj->Value = iLit; + } + } + Gia_ManHashStop( pNew ); + if ( Vec_IntSize(vXors) == 0 ) + Vec_IntPush( vXors, 0 ); + Vec_IntForEachEntry( vXors, iLit, i ) + Gia_ManAppendCo( pNew, iLit ); + Vec_IntFree( vXors ); + Gia_ManSetRegNum( pNew, Gia_ManRegNum(p) ); + pNew = Gia_ManCleanup( pTemp = pNew ); + Gia_ManStop( pTemp ); + return pNew; +} +void Gia_ManCombSpecReduceTest( Gia_Man_t * p, char * pFileName ) +{ + Gia_Man_t * pSrm = Gia_ManCombSpecReduce( p ); + if ( pFileName == NULL ) + pFileName = "test.aig"; + Gia_AigerWrite( pSrm, pFileName, 0, 0, 0 ); + Abc_Print( 1, "Speculatively reduced model was written into file \"%s\".\n", pFileName ); + Gia_ManStop( pSrm ); +} + //////////////////////////////////////////////////////////////////////// /// END OF FILE /// //////////////////////////////////////////////////////////////////////// |