[PATCH][haifa-sched] PR rtl-optimization/68236: Exit early from autoprefetcher lookahead if not in haifa sched

[Vladimir Makarov]

On 11/09/2015 11:31 AM, Kyrill Tkachov wrote:
>
> Ok for trunk?
>
Yes, thanks.
>
>
> 2015-11-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
>
>     PR rtl-optimization/68236
>     * haifa-sched.c (autopref_multipass_dfa_lookahead_guard): Return 0
>     if insn_queue doesn't exist.
>     (haifa_sched_finish): Reset insn_queue to NULL.