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| author | Anna Zaks <ganna@apple.com> | 2016-03-29 23:19:40 +0000 |
|---|---|---|
| committer | Anna Zaks <ganna@apple.com> | 2016-03-29 23:19:40 +0000 |
| commit | 1a470b6f7cc2530db8ef28222e5b094f7fdc8825 (patch) | |
| tree | 4e2bd091d48056621241bf1beedac822f63c7cac /clang/lib/Frontend/ModuleDependencyCollector.cpp | |
| parent | 0d234c382e87e57c083dc6853233b097e8b31f9c (diff) | |
| download | llvm-1a470b6f7cc2530db8ef28222e5b094f7fdc8825.zip llvm-1a470b6f7cc2530db8ef28222e5b094f7fdc8825.tar.gz llvm-1a470b6f7cc2530db8ef28222e5b094f7fdc8825.tar.bz2 | |
[tsan] Do not instrument reads/writes to instruction profile counters.
We have known races on profile counters, which can be reproduced by enabling
-fsanitize=thread and -fprofile-instr-generate simultaneously on a
multi-threaded program. This patch avoids reporting those races by not
instrumenting the reads and writes coming from the instruction profiler.
llvm-svn: 264805
Diffstat (limited to 'clang/lib/Frontend/ModuleDependencyCollector.cpp')
0 files changed, 0 insertions, 0 deletions