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Fixed crash in &nf when there is no buffer gate.

This commit is contained in:
Alan Mishchenko 2018-01-12 22:28:30 -08:00
parent 29895ca2f8
commit 0ec5d2f7bc
1 changed files with 5 additions and 0 deletions
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5
src/aig/gia/giaNf.c
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@ -295,6 +295,7 @@ Mio_Cell2_t * Nf_StoDeriveMatches( Vec_Mem_t * vTtMem, Vec_Wec_t * vTt2Match, in
for ( i = 1; i <= 6; i++ )
nPerms[i] = Extra_Factorial( i );
pCells = Mio_CollectRootsNewDefault2( 6, pnCells, fVerbose );
if ( pCells != NULL )
for ( i = 2; i < *pnCells; i++ )
Nf_StoCreateGateMaches( vTtMem, vTt2Match, pCells+i, pComp, pPerm, nPerms, vProfs, vStore, fPinFilter, fPinPerm, fPinQuick );
for ( i = 1; i <= 6; i++ )
@ -401,6 +402,8 @@ Nf_Man_t * Nf_StoCreate( Gia_Man_t * pGia, Jf_Par_t * pPars )
Vec_IntFree(vFlowRefs);
// matching
Mio_LibraryMatchesFetch( (Mio_Library_t *)Abc_FrameReadLibGen(), &p->vTtMem, &p->vTt2Match, &p->pCells, &p->nCells, p->pPars->fPinFilter, p->pPars->fPinPerm, p->pPars->fPinQuick );
if ( p->pCells == NULL )
return NULL;
p->InvDelayI = p->pCells[3].iDelays[0];
p->InvAreaW = p->pCells[3].AreaW;
p->InvAreaF = p->pCells[3].AreaF;
@ -2365,6 +2368,8 @@ Gia_Man_t * Nf_ManPerformMapping( Gia_Man_t * pGia, Jf_Par_t * pPars )
pPars->fCoarsen = 0;
pCls = pPars->fCoarsen ? Gia_ManDupMuxes(pGia, pPars->nCoarseLimit) : pGia;
p = Nf_StoCreate( pCls, pPars );
if ( p == NULL )
return NULL;
// if ( pPars->fVeryVerbose )
// Nf_StoPrint( p, pPars->fVeryVerbose );
if ( pPars->fVerbose && pPars->fCoarsen )