https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68599
--- Comment #5 from Jeffrey A. Law <law at gcc dot gnu.org> --- Author: law Date: Thu Dec 3 15:40:08 2015 New Revision: 231231 URL: https://gcc.gnu.org/viewcvs?rev=231231&root=gcc&view=rev Log: [PR tree-optimization/68599] Avoid over-zealous optimization with -funsafe-loop-optimizations PR tree-optimization/68599 * loop-init.c (rtl_loop_init): Set LOOPS_HAVE_RECORDED_EXITS in call to loop_optimizer_init. * loop-iv.c (get_simple_loop_desc): Only allow unsafe loop optimization to drop the assumptions/infinite notations if the loop has a single exit. Modified: trunk/gcc/ChangeLog trunk/gcc/loop-init.c trunk/gcc/loop-iv.c
