Making CIR Pipeline Boundaries First-Class Driver Artifacts

[AaronBallman]

RFC: https://discourse.llvm.org/t/rfc-clangir-making-cir-pipeline-boundaries-first-class-driver-artifacts/90998

[AaronBallman]

This RFC was discussed at the Jul 2 Clang Area Team meeting, notes can be found at: https://docs.google.com/document/d/13-68BCOt8kH5k_56fURBi7u7Ap97Z0EshgkJXDudbJM/edit?pli=1&tab=t.0

We felt there needs to be further discussion. Eli to post a comment on the RFC.

[AaronBallman]

Eli posted: https://discourse.llvm.org/t/rfc-clangir-making-cir-pipeline-boundaries-first-class-driver-artifacts/90998/6 and this is now waiting on the authors.