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

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

In D88475#2300663 <https://reviews.llvm.org/D88475#2300663>, @lebedev.ri wrote:

> 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?)

Sorry - missed your exactness comment - dealing with it now


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