[PATCH] D88485: [SDag][AMDGPU] Maintain DAG divergence through instruction selection

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

In D88485#2300583 <https://reviews.llvm.org/D88485#2300583>, @foad wrote:

> Currently there are no users of the post-instruction-selection divergence information, but does this seem potentially useful for anything?
>
> I used it for analyzing post-isel DAG dumps, looking for places where we might have selected VALU instructions for uniform nodes for no good reason.

I think putting any effort into DAG infrastructure is a waste of time at this point


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https://reviews.llvm.org/D88485