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Adding handling of objects without fanout in %retime.

This commit is contained in:
Alan Mishchenko 2019-07-18 12:03:56 +02:00
parent 2de35735c5
commit 0ca7e355f4
1 changed files with 15 additions and 1 deletions
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16
src/base/wln/wlnRetime.c
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@ -148,11 +148,23 @@ int Wln_RetComputeFfClasses( Wln_Ntk_t * pNtk, Vec_Int_t * vClasses )
}
Wln_Ret_t * Wln_RetAlloc( Wln_Ntk_t * pNtk )
{
Wln_Ret_t * p; int k, iObj, iFanin;
Wln_Ret_t * p; int k, iObj, iFanin, fFirst = 1;
Vec_Int_t * vRefsCopy = Vec_IntAlloc(0);
p = ABC_CALLOC( Wln_Ret_t, 1 );
p->pNtk = pNtk;
Wln_NtkCreateRefs( pNtk );
// print objects without fanout
Wln_NtkForEachObj( pNtk, iObj )
if ( Wln_ObjRefs(pNtk, iObj) == 0 && !Wln_ObjIsCio(pNtk, iObj) )
{
if ( fFirst )
{
fFirst = 0;
printf( "Objects without fanout:\n" );
}
Wln_ObjPrint(pNtk, iObj);
}
// start fanin/fanout maps
Wln_NtkStartFaninMap( pNtk, &p->vFanins, 2 );
Wln_NtkStartFanoutMap( pNtk, &p->vFanouts, &pNtk->vRefs, 2 );
ABC_SWAP( Vec_Int_t, *vRefsCopy, pNtk->vRefs );
@ -372,6 +384,8 @@ int Wln_RetCheckForward( Wln_Ret_t * p, Vec_Int_t * vSet )
static inline int Wln_RetCheckBackwardOne( Wln_Ret_t * p, int iObj )
{
int k, iFanin, * pLink, iFlop, Class = -1;
if ( Wln_ObjRefs(p->pNtk, iObj) == 0 )
return 0;
Wln_RetForEachFanout( p, iObj, iFanin, pLink, k )
{
if ( !pLink[0] )