[llvm-dev] Manipulating DAGs in TableGen

[Paul C. Anagnostopoulos via llvm-dev]

Beautiful.

Should there be !getdagvalue and !getdagname, or should !getdag produce a pair?

At 10/14/2020 09:44 AM, Nicolai Hähnle wrote:
>On Tue, Oct 13, 2020 at 4:37 PM Paul C. Anagnostopoulos
><paul at windfall.com> wrote:
>> Nicolai:
>>
>> If we have two operators to get and set DAG operator/operands, does it make sense to add to more operators to get/set the $names of operands? They would still specify the operand by integer index.
>
>Yes, I do think that would be helpful. For setting, I think you'd want
>to set the child and name at the same time, i.e. something like
>!setdag(dag_to_modify, index1, value1, name1, index2, value2, name2,
>...). Either valueN or nameN can be `?` (unset).