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Do not remove constants accessible to VPI.

This commit is contained in:
steve 2003-11-08 17:53:34 +00:00
parent 9db45e398e
commit 074dcc934a
1 changed files with 11 additions and 1 deletions
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12
cprop.cc
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: cprop.cc,v 1.45 2003/10/31 02:40:06 steve Exp $"
#ident "$Id: cprop.cc,v 1.46 2003/11/08 17:53:34 steve Exp $"
#endif
# include "config.h"
@ -994,6 +994,13 @@ void cprop_dc_functor::lpm_const(Design*des, NetConst*obj)
assert(tmp->scope());
// If the net is a signal name from the source,
// then users will probably want to see it in the
// waveform dump, so unhooking the constant will
// make it look wrong.
if (! tmp->local_flag())
return;
// If the net has an eref, then there is an
// expression somewhere that reads this signal. So
// the constant does get read.
@ -1031,6 +1038,9 @@ void cprop(Design*des)
/*
* $Log: cprop.cc,v $
* Revision 1.46 2003/11/08 17:53:34 steve
* Do not remove constants accessible to VPI.
*
* Revision 1.45 2003/10/31 02:40:06 steve
* Donot elide FF that has set or clr connections.
*