[PATCH] D88475: [InstCombine] visitTrunc - trunc (lshr (sext A), C) --> (ashr A, C) non-uniform support

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

In D88475#2300561 <https://reviews.llvm.org/D88475#2300561>, @lebedev.ri wrote:

> Note: here we also should be preserving `exact`ness of the right-shift..

(i.e. unless you want to fix that in a followup, please can you add a `FIXME` comment there?)


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https://reviews.llvm.org/D88475