[PATCH] D140493: [SROA] Support promotion in presence of variably-indexed loads

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

In D140493#4011795 <https://reviews.llvm.org/D140493#4011795>, @barannikov88 wrote:

> Could ScalarEvolution + SCEVExpander help with computing / materializing the offset?
> It is mainly used for loop transformations, but it should be possible to use it for linear code as well.
> One caveat: ScalarEvolution does not peek through addrspacecasts (is it safe to ignore them anyway?).

Oh believe me, i've thought about that one.
For the minuscule amount of functionality we need,
i don't think it's worth all the extra complexity it would bring.


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