[PATCH] D99434: [TSAN] Honor failure memory orders in AtomicCAS

Bruno Cardoso Lopes via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue May 11 17:43:33 PDT 2021


bruno updated this revision to Diff 344614.
bruno added a comment.

Cool, thanks for the input!

- Update the patch to prevent unnecessary lock/unlock dance.
- Changing `atexit_sleep_ms` didn't really changed the ballpark, rewrite test to include all checks in one run, this brings it down to 1.5-2s total time.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D99434/new/

https://reviews.llvm.org/D99434

Files:
  compiler-rt/lib/tsan/rtl/tsan_interface_atomic.cpp
  compiler-rt/test/tsan/compare_exchange.cpp
  llvm/test/Instrumentation/ThreadSanitizer/atomic.ll

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