[llvm-branch-commits] [compiler-rt] release/19.x: [AArch64][SME] Rewrite __arm_get_current_vg to preserve required registers (#100143) (PR #100546)

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llvmbot wrote:

@sdesmalen-arm What do you think about merging this PR to the release branch?

https://github.com/llvm/llvm-project/pull/100546