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[Bug tree-optimization/43966] redundant predicated checks not removed by VRP or jump-threading
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 May 2010 09:59:47 -0000
- Subject: [Bug tree-optimization/43966] redundant predicated checks not removed by VRP or jump-threading
- References: <bug-43966-19113@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from rguenth at gcc dot gnu dot org 2010-05-03 09:59 -------
Well, this is another case where the predication by if (mData) makes this
hard to optimize. Not impossible, but hard.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |enhancement
Status|UNCONFIRMED |NEW
Component|middle-end |tree-optimization
Ever Confirmed|0 |1
Keywords| |missed-optimization
Last reconfirmed|0000-00-00 00:00:00 |2010-05-03 09:59:47
date| |
Summary|redundant checks not removed|redundant predicated checks
| |not removed by VRP or jump-
| |threading
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43966