[PATCH] Marked Swift Machine Scheduler Model as incomplete

[Andrew Trick via llvm-commits]

Hi Christof,

The change is fine with me as long as you file a bug to get those instructions added to the model.

Andy

> On Oct 9, 2015, at 8:53 AM, Christof Douma <Christof.Douma at arm.com> wrote:
> 
> Hi.
> 
> I've got a 1-line change to the SwiftModel to mark the model as incomplete.
> Can I get a review on this?
> 
> Thanks,
> Christof
> ------------
> Marked Swift Machine Scheduler Model as incomplete
> 
> Swift Machine Scheduler Model is incomplete. There are instructions
> missing which can trigger the "incomplete machine model" abort. This was
> observed when a downstream SchedMachineModel was added to the ARM
> target.
> 
> Change-Id: Ie43cbc8d529b6a1257a5d7b1e69e6f40d504b842
> ---
> lib/Target/ARM/ARMScheduleSwift.td | 1 +
> 1 file changed, 1 insertion(+)
> 
> diff --git a/lib/Target/ARM/ARMScheduleSwift.td
> b/lib/Target/ARM/ARMScheduleSwift.td
> index 6f5740f..64b477d 100644
> --- a/lib/Target/ARM/ARMScheduleSwift.td
> +++ b/lib/Target/ARM/ARMScheduleSwift.td
> @@ -43,6 +43,7 @@ def SwiftModel : SchedMachineModel {
>   let MicroOpBufferSize = 45; // Based on NEON renamed registers.
>   let LoadLatency = 3;
>   let MispredictPenalty = 14; // A branch direction mispredict.
> +  let CompleteModel = 0;    // FIXME: Remove if all instructions are
> covered.
> }
> 
> // Swift predicates.
> -- 
> 1.8.3
> 
>