This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/65136] [5 Regression] VRP inserts unnecessary constant copy in the loop
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 20 Feb 2015 16:58:42 +0000
- Subject: [Bug tree-optimization/65136] [5 Regression] VRP inserts unnecessary constant copy in the loop
- Auto-submitted: auto-generated
- References: <bug-65136-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65136
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Feb 20 16:58:11 2015
New Revision: 220876
URL: https://gcc.gnu.org/viewcvs?rev=220876&root=gcc&view=rev
Log:
2015-02-20 Richard Biener <rguenther@suse.de>
PR tree-optimization/65136
* tree-ssa-propagate.c: Include cfgloop.h.
(replace_phi_args_in): Avoid replacing loop latch edge PHI
arguments with constants.
* gcc.dg/tree-ssa/pr65136.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr65136.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-propagate.c