[PATCH] D32877: Restrict call metadata based hotness detection to Sample PGO mode
Easwaran Raman via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri May 5 14:42:29 PDT 2017
eraman added a comment.
I feel the underlying problem here is the use of VP metadata to get counts in sample PGO mode. Dehao, even when VP metadata is available, can we add branch_weights to the call? Then, only sample PGO will annotate branch weights to calls and that won't affect instrumented PGO.
https://reviews.llvm.org/D32877
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