[llvm] [llvm][ARM]Add widen strings pass (PR #107120)

[Nashe Mncube via llvm-commits]

nasherm wrote:

> .. but what currently happens when the global has multiple uses?

I've added an IR test that shows this. I believe the global variable only gets padded once while every destination array gets padded if using the variable

https://github.com/llvm/llvm-project/pull/107120