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[HWASAN] Follow up for #83503 implement selective instrumentation #83942

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Merged
merged 8 commits into from
Mar 7, 2024
Merged

[HWASAN] Follow up for #83503 implement selective instrumentation #83942

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7b69b72
[HWASAN] Change tests to use IR instead of -stats to avoid depnding on
kstoimenov Mar 5, 2024
8acaf61
[HWASAN] Change tests to use IR instead of -stats to avoid depnding on
kstoimenov Mar 5, 2024
d402744
Fixing code.
kstoimenov Mar 6, 2024
a8879e2
clang format
kstoimenov Mar 6, 2024
af9bbdd
Addressed comments.
kstoimenov Mar 6, 2024
afa8c92
Changed flag descriptions.
kstoimenov Mar 6, 2024
ea30dfc
Made Rng optional
kstoimenov Mar 6, 2024
680c51c
More clang-format
kstoimenov Mar 6, 2024
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Changed flag descriptions.
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@kstoimenov
kstoimenov committed Mar 6, 2024
commit afa8c928dba1d535fc3b33cc944e4cb66ad5f176
13 changes: 8 additions & 5 deletions llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -188,11 +188,14 @@ static cl::opt<bool>
cl::Hidden, cl::init(false));

static cl::opt<int> HotPercentileCutoff("hwasan-percentile-cutoff-hot",
cl::init(0));

static cl::opt<float> RandomSkipRate(
"hwasan-random-skip-rate", cl::init(0),
cl::desc("Probability to skip instrumentation of a function."));
cl::init(0),
cl::desc("Alternative hot percentile cuttoff."
"By default `-profile-summary-cutoff-hot` is used."));

static cl::opt<float>
RandomSkipRate("hwasan-random-skip-rate", cl::init(0),
cl::desc("Probability value in the range [0.0, 1.0] "
"to skip instrumentation of a function."));

STATISTIC(NumTotalFuncs, "Number of total funcs");
STATISTIC(NumInstrumentedFuncs, "Number of instrumented funcs");
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