[llvm] [ValueLattice][SCCP] Consider provenance for predicate-derived pointer constants (PR #160083)

[Antonio Frighetto via llvm-commits]

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antoniofrighetto wrote:

As we seem to respect pImpl meticulously here, and DL is already stored in SCCPInstVisitor, I exposed a getDataLayout() that forwards to the visitor, if that makes sense.

https://github.com/llvm/llvm-project/pull/160083