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[Bug middle-end/43464] copy prop breaks loop closed SSA form
- From: "spop at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 22 Mar 2010 15:47:08 -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 #13 from spop at gcc dot gnu dot org 2010-03-22 15:47 -------
Note that
* tree-ssa-copy.c (init_copy_prop): Loop closed phi nodes can
contain more than one argument.
breaks both 464.h264ref and 416.gamess with -O3. See for example
http://groups.google.com/group/gcc-graphite-test/browse_thread/thread/f5b0d912e90b598f
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43464