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Do not put noop statements into blocks.

This commit is contained in:
steve 2000-09-29 22:58:57 +00:00
parent 21e0e8a8a1
commit 40028f263f
1 changed files with 12 additions and 1 deletions
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13
elaborate.cc
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) && !defined(macintosh) #if !defined(WINNT) && !defined(macintosh)
#ident "$Id: elaborate.cc,v 1.191 2000/09/24 17:41:13 steve Exp $" #ident "$Id: elaborate.cc,v 1.192 2000/09/29 22:58:57 steve Exp $"
#endif #endif
/* /*
@ -1055,6 +1055,14 @@ NetProc* PBlock::elaborate(Design*des, const string&path) const
fail_flag = true; fail_flag = true;
continue; continue;
} }
// If the result turns out to be a noop, then skip it.
if (NetBlock*tbl = dynamic_cast<NetBlock*>(tmp))
if (tbl->proc_first() == 0) {
delete tbl;
continue;
}
cur->append(tmp); cur->append(tmp);
} }
@ -2257,6 +2265,9 @@ Design* elaborate(const map<string,Module*>&modules,
/* /*
* $Log: elaborate.cc,v $ * $Log: elaborate.cc,v $
* Revision 1.192 2000/09/29 22:58:57 steve
* Do not put noop statements into blocks.
*
* Revision 1.191 2000/09/24 17:41:13 steve * Revision 1.191 2000/09/24 17:41:13 steve
* fix null pointer when elaborating undefined task. * fix null pointer when elaborating undefined task.
* *