[PATCH 3/6] sel-sched-ir: Add missing call to `onlyjump_p'

[Maciej W. Rozycki]

Do not try to remove a conditional jump if it has side effects.

        gcc/
        * sel-sched-ir.c (maybe_tidy_empty_bb): Only try to remove a 
        conditional jump if `onlyjump_p'.
---
 gcc/sel-sched-ir.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

gcc-sel-sched-ir-empty-bb-only-jump.diff
Index: gcc/gcc/sel-sched-ir.c
===================================================================
--- gcc.orig/gcc/sel-sched-ir.c
+++ gcc/gcc/sel-sched-ir.c
@@ -3793,7 +3793,8 @@ maybe_tidy_empty_bb (basic_block bb)
          else if (single_succ_p (pred_bb) && any_condjump_p (BB_END (pred_bb)))
            {
              /* If possible, try to remove the unneeded conditional jump.  */
-             if (INSN_SCHED_TIMES (BB_END (pred_bb)) == 0
+             if (onlyjump_p (BB_END (pred_bb))
+                 && INSN_SCHED_TIMES (BB_END (pred_bb)) == 0
                  && !IN_CURRENT_FENCE_P (BB_END (pred_bb)))
                {
                  if (!sel_remove_insn (BB_END (pred_bb), false, false))