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| author | Kostya Serebryany <kcc@google.com> | 2019-01-31 00:09:43 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2019-01-31 00:09:43 +0000 |
| commit | 8da9479e40512b3d1069cc5928c8aaca989fc124 (patch) | |
| tree | 2230d9b1347d0a97074e066be25309a19e6271af /compiler-rt/lib/fuzzer/FuzzerDriver.cpp | |
| parent | 49c4c68919ae1be62665e6f0a58d97ae6aad1125 (diff) | |
| download | bcm5719-llvm-8da9479e40512b3d1069cc5928c8aaca989fc124.tar.gz bcm5719-llvm-8da9479e40512b3d1069cc5928c8aaca989fc124.zip | |
[libFuzzer] experimental performance optimization -lazy_counters, off by default. Posix-only for now, tested on Linux
llvm-svn: 352700
Diffstat (limited to 'compiler-rt/lib/fuzzer/FuzzerDriver.cpp')
| -rw-r--r-- | compiler-rt/lib/fuzzer/FuzzerDriver.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/compiler-rt/lib/fuzzer/FuzzerDriver.cpp b/compiler-rt/lib/fuzzer/FuzzerDriver.cpp index 6528d4d9240..acebd3a7b1e 100644 --- a/compiler-rt/lib/fuzzer/FuzzerDriver.cpp +++ b/compiler-rt/lib/fuzzer/FuzzerDriver.cpp @@ -658,7 +658,10 @@ int FuzzerDriver(int *argc, char ***argv, UserCallback Callback) { Options.HandleXfsz = Flags.handle_xfsz; Options.HandleUsr1 = Flags.handle_usr1; Options.HandleUsr2 = Flags.handle_usr2; + Options.LazyCounters = Flags.lazy_counters; SetSignalHandler(Options); + if (Options.LazyCounters) + TPC.ProtectLazyCounters(); std::atexit(Fuzzer::StaticExitCallback); |
