[PATCH] D21987: [XRay] Implement `llvm-xray extract`, start of the llvm-xray tool

[Dean Michael Berris via llvm-commits]

dberris added inline comments.


> dblaikie wrote in simple-instrmap.yaml:1
> What's this file used for? I couldn't see its name mentioned anywhere else and it has no RUN lines.

Ah, yes, this one is required in later patches. I'll remove this from this change.

https://reviews.llvm.org/D21987