r195755 - in /branches/gcc-4_7-branch/gcc: Chan...
rguenth@gcc.gnu.org
rguenth@gcc.gnu.org
Tue Feb 5 12:56:00 GMT 2013
Author: rguenth
Date: Tue Feb 5 12:56:51 2013
New Revision: 195755
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195755
Log:
2013-02-05 Richard Biener <rguenther@suse.de>
Backport from mainline
2012-12-10 Richard Biener <rguenther@suse.de>
PR tree-optimization/55107
* tree-ssa-pre.c (struct pre_stats): Remove constified field.
(bitmap_set_replace_value): Add gcc_unreachable.
(do_regular_insertion): Re-write all_same handling. Insert
an assignment instead of a PHI in this case.
(execute_pre): Do not record constified events.
* gcc.dg/torture/pr55107.c: New testcase.
* gcc.dg/tree-ssa/ssa-pre-5.c: Adjust.
Added:
branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/torture/pr55107.c
Modified:
branches/gcc-4_7-branch/gcc/ChangeLog
branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-5.c
branches/gcc-4_7-branch/gcc/tree-ssa-pre.c
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