[PATCH] D101939: [AMDGPU] Disable the SIFormMemoryClauses pass at -O1

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

In D101939#2744979 <https://reviews.llvm.org/D101939#2744979>, @arsenm wrote:

> It's long been on my todo list to replace reserved registers with reserved reg units which should provide a similar speedup (and just generally be cleaner)

I think I'm trying to take a stab at this


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https://reviews.llvm.org/D101939