[llvm-branch-commits] [clang] release/21.x: [Clang][CMake] Use IRPGO instead of FE PGO for Cmake Caches (#155957) (PR #156271)

[Aiden Grossman via llvm-branch-commits]

boomanaiden154 wrote:

This makes it easier to use the new options in the CI container since we build from the release branch. This should be a relatively safe backport given how small the change is in addition to how infrequently these CMake caches change at this point.

https://github.com/llvm/llvm-project/pull/156271