[llvm] Reland [CGData] llvm-cgdata #89884 (PR #101461)

[Jake Egan via llvm-commits]

jakeegan wrote:

Hi, the tests are failing on the AIX bot https://lab.llvm.org/buildbot/#/builders/64/builds/745 because `-i` is not supported with sed on AIX. Would you be able to adapt the test?

https://github.com/llvm/llvm-project/pull/101461