[llvm] SimplifyLibCalls: Use default globals address space when building new global strings. (PR #118729)

[Jessica Clarke via llvm-commits]

jrtc27 wrote:

I believe this commit should be reverted. There's no reason why the globals address space should be preferred over any other. There are some refactors in here that may be worth keeping, but they shouldn't be tangled up with functional changes.

https://github.com/llvm/llvm-project/pull/118729