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[Bug tree-optimization/23619] Missed pre opportunity
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 29 Aug 2005 12:53:02 -0000
- Subject: [Bug tree-optimization/23619] Missed pre opportunity
- References: <20050829090219.23619.rakdver@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-29 12:53 -------
Yes it is a dup as, the issue is we don't pre things for:
if (a)
d = b + c;
else
d = b + e;
Where b is a complex expression (yes this is simplifing it).
Even pull the load of ii in PR 23286, we still don't get the PRE.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23619