[PATCH] D68651: [InstCombine] Signed saturation patterns

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

In D68651#1703888 <https://reviews.llvm.org/D68651#1703888>, @dmgreen wrote:

> > .. on where and how to draw the line ..
>
> Not sure about in general though!
>
> > - and get it documented (and the document to be kept up-to-date).
>
> Any ideas what it would look like? And where this would live? At some point when we get into enough of the details the code becomes the best documentation, but I'm guessing you will disagree with that...


I'm not sure this can really be documented and enforced.


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