[llvm] [AArch64] Prefer `SADDLV` over `ADDV` for vector mask reductions (PR #183522)

Benjamin Maxwell via llvm-commits llvm-commits at lists.llvm.org
Tue Mar 3 08:52:51 PST 2026

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MacDue wrote:

I'll wait to see if @paulwalker-arm has any thoughts, but I'm happy with only keeping the `SelectArithExtendedRegister` changes. 

https://github.com/llvm/llvm-project/pull/183522

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