[PATCH] D28404: IRGen: Add optnone attribute on function during O0

[Mehdi AMINI via Phabricator via cfe-commits]

mehdi_amini added a comment.

In https://reviews.llvm.org/D28404#640178, @mehdi_amini wrote:

> Also, that's not practicable: what if I have an LTO static library for which I don't have the source, now if I build my own file with -O0 -flto I can't link anymore.


Also: LTO is required for some features likes CFI. There are users who wants CFI+O0 during development (possibly for debugging a subcomponent of the app).


https://reviews.llvm.org/D28404