mirror of https://github.com/YosysHQ/abc.git
Fixing corner-cases in 'tempor' and in 'unfold'.
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@ -3068,6 +3068,11 @@ Gia_Man_t * Gia_ManDupWithConstr( Gia_Man_t * p )
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printf( "The miter's output is not AND-decomposable.\n" );
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return NULL;
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}
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if ( Gia_ObjFaninId0p(p, pObj) == 0 )
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{
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printf( "The miter's output is a constant.\n" );
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return NULL;
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}
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vSuper = Vec_IntAlloc( 100 );
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Gia_ManDupWithConstrCollectAnd_rec( p, Gia_ObjChild0(pObj), vSuper, 1 );
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assert( Vec_IntSize(vSuper) > 1 );
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@ -23548,6 +23548,11 @@ int Abc_CommandTempor( Abc_Frame_t * pAbc, int argc, char ** argv )
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Abc_Print( 0, "The current network is combinational.\n");
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return 0;
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}
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if ( Abc_NtkPiNum(pNtk) == 0 )
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{
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Abc_Print( 0, "The current network does not have primary inputs. Use \"addpi\".\n");
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return 0;
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}
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if ( fUpdateCex )
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{
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Abc_Cex_t * pCexNew;
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@ -24020,12 +24025,12 @@ int Abc_CommandUnfold( Abc_Frame_t * pAbc, int argc, char ** argv )
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Gia_Man_t * pGia = Gia_ManFromAigSimple( pAig );
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Aig_ManStop( pAig );
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pNew = Gia_ManDupWithConstr( pGia );
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Gia_ManStop( pGia );
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if ( pNew == NULL )
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{
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Abc_Print( -1, "Cannot extract constrains from the miter.\n" );
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return 0;
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}
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Gia_ManStop( pGia );
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pAig = Gia_ManToAigSimple( pNew );
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Gia_ManStop( pNew );
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pNtkRes = Abc_NtkFromAigPhase( pAig );
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