Cherry-pick 6b73a4cc7db96af1dd02db68c07fe4a807104c53 into LLVM 14

[brads55]

6b73a4c brings SVE floating point converts into line with other unary operations, with regards to breaking false dependencies.

[brads55]

/cherry-pick 6b73a4c

[llvmbot]

@llvm/issue-subscribers-backend-aarch64

[llvmbot]

Failed to cherry-pick: 6b73a4c

https://github.com/llvm/llvm-project/actions/runs/1794477526

Please manually backport the fix and push it to your github fork. Once this is done, please add a comment like this:

/branch <user>/<repo>/<branch>

[brads55]

/cherry-pick 6b73a4c

[brads55]

@tstellar I'm not sure what is going on here with this new action, apologies if this wasn't ready for use yet. (The first failure was my fault, but the second seems to be a permissions issue somewhere).

[tstellar]

/cherry-pick 6b73a4c

[llvmbot]

/branch llvmbot/llvm-project/issue53580