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-rw-r--r--src/proof/llb/llb4Map.c123
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diff --git a/src/proof/llb/llb4Map.c b/src/proof/llb/llb4Map.c
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--- a/src/proof/llb/llb4Map.c
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-/**CFile****************************************************************
-
- FileName [llb2Map.c]
-
- SystemName [ABC: Logic synthesis and verification system.]
-
- PackageName [BDD based reachability.]
-
- Synopsis [Non-linear quantification scheduling.]
-
- Author [Alan Mishchenko]
-
- Affiliation [UC Berkeley]
-
- Date [Ver. 1.0. Started - June 20, 2005.]
-
- Revision [$Id: llb2Map.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
-
-***********************************************************************/
-
-#include "llbInt.h"
-#include "base/abc/abc.h"
-#include "map/if/if.h"
-
-ABC_NAMESPACE_IMPL_START
-
-
-////////////////////////////////////////////////////////////////////////
-/// DECLARATIONS ///
-////////////////////////////////////////////////////////////////////////
-
-////////////////////////////////////////////////////////////////////////
-/// FUNCTION DEFINITIONS ///
-////////////////////////////////////////////////////////////////////////
-
-/**Function*************************************************************
-
- Synopsis [Returns internal nodes used in the mapping.]
-
- Description []
-
- SideEffects []
-
- SeeAlso []
-
-***********************************************************************/
-Vec_Int_t * Llb_AigMap( Aig_Man_t * pAig, int nLutSize, int nLutMin )
-{
- extern Abc_Ntk_t * Abc_NtkFromAigPhase( Aig_Man_t * pMan );
- extern If_Man_t * Abc_NtkToIf( Abc_Ntk_t * pNtk, If_Par_t * pPars );
- extern void Gia_ManSetIfParsDefault( void * pPars );
- If_Par_t Pars, * pPars = &Pars;
- If_Man_t * pIfMan;
- If_Obj_t * pAnd;
- Abc_Ntk_t * pNtk;
- Abc_Obj_t * pNode;
- Vec_Int_t * vNodes;
- Aig_Obj_t * pObj;
- int i;
-
- // create ABC network
- pNtk = Abc_NtkFromAigPhase( pAig );
- assert( Abc_NtkIsStrash(pNtk) );
-
- // derive mapping parameters
- Gia_ManSetIfParsDefault( pPars );
- pPars->nLutSize = nLutSize;
-
- // get timing information
- pPars->pTimesArr = Abc_NtkGetCiArrivalFloats(pNtk);
- pPars->pTimesReq = Abc_NtkGetCoRequiredFloats(pNtk);
-
- // perform LUT mapping
- pIfMan = Abc_NtkToIf( pNtk, pPars );
- if ( pIfMan == NULL )
- {
- Abc_NtkDelete( pNtk );
- return NULL;
- }
- if ( !If_ManPerformMapping( pIfMan ) )
- {
- Abc_NtkDelete( pNtk );
- If_ManStop( pIfMan );
- return NULL;
- }
-
- // mark nodes in the AIG used in the mapping
- Aig_ManCleanMarkA( pAig );
- Aig_ManForEachNode( pAig, pObj, i )
- {
- pNode = (Abc_Obj_t *)pObj->pData;
- if ( pNode == NULL )
- continue;
- pAnd = (If_Obj_t *)pNode->pCopy;
- if ( pAnd == NULL )
- continue;
- if ( pAnd->nRefs > 0 && (int)If_ObjCutBest(pAnd)->nLeaves >= nLutMin )
- pObj->fMarkA = 1;
- }
- Abc_NtkDelete( pNtk );
- If_ManStop( pIfMan );
-
- // unmark flop drivers
- Saig_ManForEachLi( pAig, pObj, i )
- Aig_ObjFanin0(pObj)->fMarkA = 0;
-
- // collect mapping
- vNodes = Vec_IntAlloc( 100 );
- Aig_ManForEachNode( pAig, pObj, i )
- if ( pObj->fMarkA )
- Vec_IntPush( vNodes, Aig_ObjId(pObj) );
- Aig_ManCleanMarkA( pAig );
- return vNodes;
-}
-
-
-////////////////////////////////////////////////////////////////////////
-/// END OF FILE ///
-////////////////////////////////////////////////////////////////////////
-
-
-ABC_NAMESPACE_IMPL_END
-