[flang-commits] [clang] [flang] [llvm] [mlir] [polly] [IR] Use persistent metadata IDs for pass snapshots (PR #216838)

[Alexis Engelke via flang-commits]

https://github.com/aengelke commented:

Is there a way to split the serialization format change out into a separate, previous PR? This has grown somewhat large now..

Likewise, IR test changes that introduce regexes for metadata could be pre-committed.

I think the changes looks good otherwise.

https://github.com/llvm/llvm-project/pull/216838