[PATCH] D131306: [llvm][misexpect] Track provenance of branch weights

Teresa Johnson via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Fri Jan 13 14:15:41 PST 2023


tejohnson added a comment.

In D131306#4037037 <https://reviews.llvm.org/D131306#4037037>, @paulkirth wrote:

> @tejohnson @xur I kind of dropped the ball on these patches, but what are your thoughts on this approach over the old(more invasive) change to the profdata format I had prototyped before? the patch will obviously need to be rebased, but other than that, do we see a downside to handling provenance tracking for branch weights this way?

Sorry, it looks like you were waiting on a review of the latest changes from me but I didn't get to it. I don't recall the other changes you prototyped off the top of my head - can you point me to that? But I don't have an issue with this approach as I recall it seemed cleanest at the time.


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