[PATCH] D38768: Add remarks describing when a pass changes the IR instruction count of a module

[Jessica Paquette via Phabricator via llvm-commits]

paquette added a comment.

Reviving this...

I'd personally find analysis like this useful, especially for quickly diagnosing unintuitive code size changes and building small test-cases. If it's okay for this just to be implemented in the legacy pass manager for now, I'd like to move forward with this. However, I'd also like to know the best path forward for implementing it in the new pass manager.


https://reviews.llvm.org/D38768