[llvm-branch-commits] [llvm] release/23.x: [SLP]Fix narrow-tree gate width and extract miscount (PR #217569)

[Tobias Hieta via llvm-branch-commits]

tru wrote:

@alexey-bataev @kartcq Since the AArch64 regression was fixed upstream and this PR would need re-cherry-picking from the newer version, can this PR be closed for now (and reopened / replaced with a fresh backport once someone picks it up), or do you want to update it in place?

https://github.com/llvm/llvm-project/pull/217569