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sel-sched-ir: Add missing call to `onlyjump_p'

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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'.
This commit is contained in:
Maciej W. Rozycki 2020-12-05 18:26:24 +00:00
parent a2bd4e52cf
commit 4ec78ef483
1 changed files with 2 additions and 1 deletions
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gcc/sel-sched-ir.c
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@ -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))