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Added skipping &iso when there is only one PO.

This commit is contained in:
Alan Mishchenko 2012-02-29 10:51:05 -08:00
parent 1bf2b0351a
commit 3e5e7a2544
2 changed files with 7 additions and 0 deletions
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2
src/aig/gia/giaIso.c
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@ -977,6 +977,8 @@ Gia_Man_t * Gia_ManIsoReduce( Gia_Man_t * p, Vec_Ptr_t ** pvPosEquivs, int fVerb
// create preliminary equivalences
vEquivs = Gia_IsoDeriveEquivPos( p, 1, fVeryVerbose );
if ( vEquivs == NULL )
return NULL;
// printf( "Reduced %d outputs to %d outputs. ", Gia_ManPoNum(p), Vec_PtrSize(vEquivs) );
// Abc_PrintTime( 1, "Time", clock() - clk );

5
src/base/abci/abc.c
View File

@ -27966,6 +27966,11 @@ int Abc_CommandAbc9Iso( Abc_Frame_t * pAbc, int argc, char ** argv )
return 1;
}
pAig = Gia_ManIsoReduce( pAbc->pGia, &vPosEquivs, fVerbose );
if ( pAig == NULL )
{
Abc_Print( -1, "Abc_CommandAbc9Iso(): Transformation has failed.\n" );
return 1;
}
// update the internal storage of PO equivalences
Abc_FrameReplacePoEquivs( pAbc, &vPosEquivs );
// update the AIG