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r198414 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: vries at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Mon, 29 Apr 2013 13:08:24 -0000
- Subject: r198414 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: vries
Date: Mon Apr 29 13:08:24 2013
New Revision: 198414
URL: http://gcc.gnu.org/viewcvs?rev=198414&root=gcc&view=rev
Log:
Preserve loops in tail-merge
2013-04-29 Tom de Vries <tom@codesourcery.com>
* tree-ssa-tail-merge.c (find_same_succ_bb): Skip loop latch bbs.
(replace_block_by): Don't set LOOPS_NEED_FIXUP.
(tail_merge_optimize): Handle current_loops == NULL.
* gcc.dg/pr50763.c: Update test.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/pr50763.c
trunk/gcc/tree-ssa-tail-merge.c