llvm-project

3b4775d3 - [NFC][PGO] Factor downscaling of branch weights out of `Instrumentation` into `ProfileData` (#153735)

[NFC][PGO] Factor downscaling of branch weights out of `Instrumentation` into `ProfileData` (#153735) The logic isn’t instrumentation-specific, and the refactoring allows users avoid a dependency on `Instrumentation` and just take one on `ProfileData`​ (which a fairly low-level dependency)