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[Bug middle-end/43464] copy prop breaks loop closed SSA form
- From: "steven at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Mar 2010 09:54:56 -0000
- Subject: [Bug middle-end/43464] copy prop breaks loop closed SSA form
- References: <bug-43464-7780@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from steven at gcc dot gnu dot org 2010-03-21 09:54 -------
Why such a big hammer? You should be able to figure out which copy props are
allowed and which should be disallowed in loop-closed SSA form.
Is "if (current_loops)" the right test here? This will break if Zdenek's
patches to keep loops around throughout ever makes it to the trunk.
--
steven at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2010-03-21 09:54:56
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43464