[llvm-dev] TableGen question

[Nicolai Hähnle via llvm-dev]

On Wed, Oct 7, 2020 at 8:36 PM Neil Nelson via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
> How many values are expected?

The number of fields per record varies. There are (few) records with
zero fields, but also many with dozens (maybe 100?) fields.

Cheers,
Nicolai


>
> Neil Nelson
>
> On 10/6/20 5:54 PM, Paul C. Anagnostopoulos via llvm-dev wrote:
>
> A question for all you TableGen aficionados:
>
> Does anyone know why the collection of RecordVal field values stored in a Record are represented by a SmallVector rather than some sort of map? This means that every time a record field is looked up by name, a linear search is performed.
>
> Is it a question of RAM usage?
>
>
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