tree-ssa-loop-ivopts.c (add_autoinc_candidates): Bail out only if the use…

tree-ssa-loop-ivopts.c (add_autoinc_candidates): Bail out only if the use statement can throw internally.

	* tree-ssa-loop-ivopts.c (add_autoinc_candidates): Bail out only if
	the use statement can throw internally.

From-SVN: r253834

gcc/ChangeLog

 2017-10-17  Eric Botcazou  <ebotcazou@adacore.com>
 
+	* tree-ssa-loop-ivopts.c (add_autoinc_candidates): Bail out only if
+	the use statement can throw internally.
+
+2017-10-17  Eric Botcazou  <ebotcazou@adacore.com>
+
 	* config/visium/visium.c (visium_select_cc_mode): Return CCmode for
 	any RTX present on the RHS of a SET.
 	* compare-elim.c (try_eliminate_compare): Restore comment.

gcc/tree-ssa-loop-ivopts.c

@@ -3140,7 +3140,7 @@ add_autoinc_candidates (struct ivopts_data *data, tree base, tree step,
      statement.  */
   if (use_bb->loop_father != data->current_loop
       || !dominated_by_p (CDI_DOMINATORS, data->current_loop->latch, use_bb)
-      || stmt_could_throw_p (use->stmt)
+      || stmt_can_throw_internal (use->stmt)
       || !cst_and_fits_in_hwi (step))
     return;