[clang] [llvm] [transforms] Inline simple variadic functions (PR #81058)

[Joseph Huber via cfe-commits]

https://github.com/jhuber6 commented:

Some nits, mostly just formatting and naming that hasn't been updated.

I agree overall that we should just put this in some canonical form and rely on other LLVM passes to take care of things like inlining. Eager to have this functionality in, so hopefully we can keep this moving.

https://github.com/llvm/llvm-project/pull/81058