Artem-B wrote:

> A 2% improvement is an excellent result!

LLVM caches these attributes these days. Before we've implemented that, nvvm 
metadata lookups did take a lot of time.

That said, CC and attributes are a better way to represent the info, and 
getting rid of the metadata is worthwhile even if does not speed up the 
compilation.

https://github.com/llvm/llvm-project/pull/120806
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