[PATCH] D50867: [InstrProf] Use atomic profile counter updates for TSan

[JF Bastien via Phabricator via llvm-commits]

jfb added inline comments.


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Comment at: llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp:608
+    Builder.CreateAtomicRMW(AtomicRMWInst::Add, Addr, Inc->getStep(),
+                            AtomicOrdering::SequentiallyConsistent);
+  } else {
----------------
Counters could just be `relaxed`, no need to use `seq_cst`.


https://reviews.llvm.org/D50867