[llvm] [AArch64] Optimize when storing symmetry constants (PR #93717)

[via llvm-commits]

ParkHanbum wrote:

since https://github.com/ParkHanbum/llvm-project/commit/36231a5b5525b950daf1b7430859061b31a8e01e merged we could not use negative offset for `STR`. therefore two test-cases in .mir were changed.
@davemgreen could you let me know when this PR will be merged?


https://github.com/llvm/llvm-project/pull/93717