[PATCH] D78030: [TimeProfiler] Emit clock synchronization point

[Sergej Jaskiewicz via Phabricator via cfe-commits]

broadwaylamb added a comment.

Since we're adding a new attribute here that we won't ever be able to remove in the future, I'd still like to get a LGTM from some of the folks that are familiar with the time profiler. @russell.gallop @anton-afanasyev?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D78030/new/

https://reviews.llvm.org/D78030