[llvm] [AArch64] shouldFoldMaskToVariableShiftPair should be true for scalars up to the biggest legal type (PR #158069)

[David Green via llvm-commits]

https://github.com/davemgreen approved this pull request.

The tests here look like they are smaller, although this might be a little less parallel.

I think this is OK. LGTM.

https://github.com/llvm/llvm-project/pull/158069