[llvm-dev] DFAPacketizer, Scheduling and LoadLatency

[Rail Shafigulin via llvm-dev]

>
> I'm not sure exactly what's going on in your case.  You can try to see if
> this is the function that causes the "2" to be returned.
>
> unsigned TargetInstrInfo::
> getInstrLatency(const InstrItineraryData *ItinData,
>                 const MachineInstr *MI,
>                 unsigned *PredCost) const {
>   // Default to one cycle for no itinerary. However, an "empty" itinerary
> may
>   // still have a MinLatency property, which getStageLatency checks.
>   if (!ItinData)
>     return MI->mayLoad() ? 2 : 1;
>
>   return ItinData->getStageLatency(MI->getDesc().getSchedClass());
>
> }
>
>
> -Krzysztof
>
>
> --
> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted
> by The Linux Foundation
>

That's exactly it. Thanks for the explanation!

-- 
Rail Shafigulin
Software Engineer
Esencia Technologies
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20160107/645e18a8/attachment.html>