[llvm-branch-commits] [NFC][CrossDSOCFI] Move findCfiTypeIds to LowerTypeTests (PR #223585)

[Vitaly Buka via llvm-branch-commits]

https://github.com/vitalybuka created https://github.com/llvm/llvm-project/pull/223585

Move 64-bit numeric type identifier collection logic and extractNumericTypeId
from CrossDSOCFI.cpp into LowerTypeTests.cpp, exposing it as
lowertypetests::findCfiTypeIds in llvm/Transforms/IPO/LowerTypeTests.h.

Encapsulate Cross-DSO CFI type ID discovery so CrossDSOCFI no longer
directly parses cfi.functions metadata.

PR Stack:
* https://github.com/llvm/llvm-project/pull/223581
* ➤ https://github.com/llvm/llvm-project/pull/223582

Assisted-by: Gemini