[PATCH] D85393: [WIP] [IR] Adding noprogress as a LLVM IR attribute

[Johannes Doerfert via Phabricator via llvm-commits]

jdoerfert added reviewers: efriedma, spatel, nlopes, aqjune.
jdoerfert added subscribers: RalfJung, regehr, pekka, baldrick, eatnumber1, nicholas, bkramer, snidertm.
jdoerfert added a comment.

This was quick, we need to write an RFC now ;). For this we should probably write the lang ref part too.
We should also mention somewhere this is the first step to properly fix `PR965` and make the `llvm.sideeffect` obsolete (for this use case).

Adding some people that should be aware.


Repository:
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https://reviews.llvm.org/D85393