[PATCH] D74434: AMDGPU: Don't expand more special div cases in IR

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

In D74434#1870551 <https://reviews.llvm.org/D74434#1870551>, @rampitec wrote:

> LGTM, but do not you want to handle it in the IR right away instead of TODO?


There are a lot of them to sort through, and I'm worried we don't have tests everywhere for all the special cases. Longer term, I would rather just eliminate the IR expansion altogether. In GlobalISel we can run MachineLICM on the legalized, pre-selected MIR which could be potentially avoid the need for this anyway


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