[llvm] [LAA] Use SCEVPtrToAddr in tryToCreateDiffChecks. (PR #178861)

[Florian Hahn via llvm-commits]

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fhahn wrote:

After https://github.com/llvm/llvm-project/pull/180718, the changes here have been removed, we now don't create new PtrToAddr

https://github.com/llvm/llvm-project/pull/178861