diff options
Diffstat (limited to 'gcc/loop-iv.c')
| -rw-r--r-- | gcc/loop-iv.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/gcc/loop-iv.c b/gcc/loop-iv.c index 68cfd0e..78bec9e 100644 --- a/gcc/loop-iv.c +++ b/gcc/loop-iv.c @@ -3027,42 +3027,6 @@ get_simple_loop_desc (struct loop *loop) iv_analysis_loop_init (loop); find_simple_exit (loop, desc); loop->simple_loop_desc = desc; - - if (desc->simple_p && (desc->assumptions || desc->infinite)) - { - const char *wording; - - /* Assume that no overflow happens and that the loop is finite. - We already warned at the tree level if we ran optimizations there. */ - if (!flag_tree_loop_optimize && warn_unsafe_loop_optimizations) - { - if (desc->infinite) - { - wording = - flag_unsafe_loop_optimizations - ? N_("assuming that the loop is not infinite") - : N_("cannot optimize possibly infinite loops"); - warning (OPT_Wunsafe_loop_optimizations, "%s", - gettext (wording)); - } - if (desc->assumptions) - { - wording = - flag_unsafe_loop_optimizations - ? N_("assuming that the loop counter does not overflow") - : N_("cannot optimize loop, the loop counter may overflow"); - warning (OPT_Wunsafe_loop_optimizations, "%s", - gettext (wording)); - } - } - - if (flag_unsafe_loop_optimizations && single_exit (loop)) - { - desc->assumptions = NULL_RTX; - desc->infinite = NULL_RTX; - } - } - return desc; } |