[libc-commits] [libc] [libc] introduce shared compiler-rt builtins (PR #200094)

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hulxv wrote:

> I'm having trouble telling what I'm looking at. Could you please flesh out the commit message a bit? This says it's introducing compiler-rt builtins - but it doesn't link in compiler-rt?
> 
> libc/src/__support/builtins/addtf3.h returns something from fputil into a bulitins namespace, but this doesn't appear builtin?
> 
> I need more of a roadmap than I've got here, sorry!

It's split from the main pr about the integration with compiler-rt. Take a look here #197950. We decided to split the main Pr into  3 different PRs to make it cleaner

https://github.com/llvm/llvm-project/pull/200094