[llvm] [WIP][Support] Always scale InstructionCost::Value (PR #178962)

[Nikita Popov via llvm-commits]

nikic wrote:

> I am trying to reproduce the increase in `squlite` to confirm it is due to the same reason. For the `compile-time-tracker`, the documentation says `stage1-O3` uses `native x86_64 target`. Would you be able to share which CPU the server is running on so I can properly set `march` to reproduce this behavior locally? I have tried a few different `march` settings without success.

No `-march` is used, it's the default `cmake/caches/O3.cmake` configuration.

https://github.com/llvm/llvm-project/pull/178962