[llvm-dev] Empty implementation of SchedulingPriorityQueue::dump

[陳韋任 via llvm-dev]

2017-10-25 22:59 GMT+08:00 Florian Hahn <florian.hahn at arm.com>:

> Hi,
>
> On 25/10/2017 15:34, 陳韋任 via llvm-dev wrote:
>
>> Hi All,
>>
>>    While reading SchedulePostRATDList::ListScheduleTopDown() [1], I
>> find SchedulingPriorityQueue::dump has an empty implementation.
>> Therefore, the following debug dump basically outputs nothing.
>>
>>        DEBUG(dbgs() << "\n*** Examining Available\n";
>> AvailableQueue.dump(this));
>>    Not sure why we want this. Is it intended?
>>
>>
> It seems like no-one bothered implementing it so far. It should be fairly
> straight forward to implement for LatencyPriorityQueue though. AFAIK, there
> is not much work on PostRAscheudlerList going on, as there is the newer
> PostMachineScheduler.
>

​I am playing around Hexagon test case, and I find it still
run PostRAscheudlerList under O2, unless I add -misched-postra option.

-- 
Wei-Ren Chen (陳韋任)
Homepage: https://people.cs.nctu.edu.tw/~chenwj
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