[llvm-branch-commits] [RFC][Clang] Allow plugins to hook into back-end (PR #165257)

[Vassil Vassilev via llvm-branch-commits]

vgvassilev wrote:

> PluginASTAction would essentially require us to copy large parts of CodeGenAction.cpp

Do you mean that you will need to wrap clang's `BackendConsumer` into a `MultiplexConsumer` and overwrite its `HandleTranslationUnit` swapping `BackendConsumer::HandleTranslationUnit`'s `emitBackendOutput`?

https://github.com/llvm/llvm-project/pull/165257