aaron.ballman added a comment.

In D116328#3241486 <https://reviews.llvm.org/D116328#3241486>, 
@LegalizeAdulthood wrote:

> In D116328#3241329 <https://reviews.llvm.org/D116328#3241329>, @aaron.ballman 
> wrote:
>
>> In D116328#3223344 <https://reviews.llvm.org/D116328#3223344>, 
>> @LegalizeAdulthood wrote:
>>
>>> My takeaway:
>>>
>>> - if `has` isn't expensive, I can either ditch this public matcher or move 
>>> it to be a private matcher used in my check
>>
>> [...] if you profiled something and notice a measurable difference
>> between `has()` and `hasSubstatement()` in practice, that would
>> be really good for the community to know.
>
> Do we have some sort of benchmarking facility in place, or do I
> have to homebrew something?

I've always homebrewed it, but if we have better facilities these days, I'd 
love to know about them!


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D116328/new/

https://reviews.llvm.org/D116328

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