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Fixing a corner case crash.

This commit is contained in:
Alan Mishchenko 2025-11-21 19:49:48 -08:00
parent bde60f2a20
commit 48d09e7f93
1 changed files with 2 additions and 2 deletions
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4
src/aig/gia/giaSweep.c
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@ -751,7 +751,7 @@ Gia_Man_t * Gia_ManSweepWithBoxes( Gia_Man_t * p, void * pParsC, void * pParsS,
if ( pNew == NULL )
return NULL;
Gia_ManTransferTiming( pNew, p );
nFlops = Vec_IntCountEntry(pNew->vRegClasses, 1);
nFlops = pNew->vRegClasses ? Vec_IntCountEntry(pNew->vRegClasses, 1) : 0;
// find global equivalences
pClp = Gia_ManDupCollapse( pNew, pNew->pAigExtra, NULL, pParsC ? 0 : 1 );
//Gia_DumpAiger( pClp, p->pSpec, 1, 1 );
@ -775,7 +775,7 @@ Gia_Man_t * Gia_ManSweepWithBoxes( Gia_Man_t * p, void * pParsC, void * pParsS,
pNew = Gia_ManDupWithBoxes( pTemp = pNew, pParsC ? 0 : 1 );
Gia_ManStop( pTemp );
// report
nFlopsNew = Vec_IntCountEntry(pNew->vRegClasses, 1);
nFlopsNew = pNew->vRegClasses ? Vec_IntCountEntry(pNew->vRegClasses, 1) : 0;
pFlopTypes[2] = nFlops - nFlopsNew - (pFlopTypes[0] + pFlopTypes[1]);
if ( fVerbEquivs )
{