[llvm-dev] Extending TableGen's 'foreach' to work with 'multiclass' and 'defm'

[Krzysztof Parzyszek via llvm-dev]

On 8/23/2017 12:21 PM, Hal Finkel wrote:>
> That could also be two separate questions: Would we replace the .td 
> input language with Python completely in the long term? Would we rewrite 
> the the backends (i.e., TableGen plugins) in Python? I don't yet have an 
> opinion on either. I can see advantages to providing Python as input 
> language. What do you think?

If we want to undertake incorporating Python into the TableGen pipeline, 
then completely replacing TableGen with Python sounds like a logical 
long-term goal.  Everything that TableGen can do can be done in Python 
as well, plus Python offers nearly unlimited flexibility.

-Krzysztof

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