[libclc] [libclc] Use custom CMake handling to overhaul libclc compilation (PR #185247)

[Matt Arsenault via cfe-commits]

arsenm wrote:

> Did it happen with this change or some other? 

This was probably an earlier change (maybe c5cb48c39701086393d1177929a328868849fc72?). It is kind of more consistent with other runtimes (as you can see in your listing the compiler-rt binaries aren't in a compiler-rt subdirectory)

> Also I think there used to be more files than libclc.bc, right?

I don't think so (though I am moving towards having there be more artifacts)

https://github.com/llvm/llvm-project/pull/185247