[PATCH] D74362: Cheap Function Entry Instrumentation for Dead Code Detection

[Dean Michael Berris via Phabricator via llvm-commits]

dberris added a comment.

In D74362#2065160 <https://reviews.llvm.org/D74362#2065160>, @MaskRay wrote:

> A high-level comment: does this pass achieve something not doable with XRay, a mature instrumentation framework in LLVM?


All of this can be implemented as a runtime plugged into the XRay framework. If you just want to see which functions have been called (or executed) in this documentation I have an example of how to do precisely what this is attempting to do:

https://reviews.llvm.org/D56244

That implementation works for basic and FDR modes.


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