[llvm] [MemProf] Extend MemProfUse pass to make use of data access profiles to partition data (PR #151238)

[Mingming Liu via llvm-commits]

mingmingl-llvm wrote:

> Change lgtm except I think the option should be off by default if this will cause spurious diagnostics to be generated about missing data access profiles

done. And one RUN line to rely on the default value being false.

https://github.com/llvm/llvm-project/pull/151238