diff options
Diffstat (limited to 'llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp b/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp index 289183e..88553d4 100644 --- a/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp +++ b/llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp @@ -187,15 +187,15 @@ static cl::opt<bool> cl::desc("Use selective instrumentation"), cl::Hidden, cl::init(false)); -static cl::opt<int> HotPercentileCutoff( +static cl::opt<int> ClHotPercentileCutoff( "hwasan-percentile-cutoff-hot", 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.")); + ClRandomSkipRate("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"); @@ -301,7 +301,7 @@ public: ? ClEnableKhwasan : CompileKernel; this->Rng = - RandomSkipRate.getNumOccurrences() ? M.createRNG("hwasan") : nullptr; + ClRandomSkipRate.getNumOccurrences() ? M.createRNG("hwasan") : nullptr; initializeModule(); } @@ -1391,11 +1391,6 @@ bool HWAddressSanitizer::instrumentLandingPads( return true; } -static bool isLifetimeIntrinsic(Value *V) { - auto *II = dyn_cast<IntrinsicInst>(V); - return II && II->isLifetimeStartOrEnd(); -} - static DbgAssignIntrinsic *DynCastToDbgAssign(DbgVariableIntrinsic *DVI) { return dyn_cast<DbgAssignIntrinsic>(DVI); } @@ -1455,7 +1450,8 @@ bool HWAddressSanitizer::instrumentStack(memtag::StackInfo &SInfo, AI->replaceUsesWithIf(Replacement, [AICast, AILong](const Use &U) { auto *User = U.getUser(); - return User != AILong && User != AICast && !isLifetimeIntrinsic(User); + return User != AILong && User != AICast && + !memtag::isLifetimeIntrinsic(User); }); // Helper utility for adding DW_OP_LLVM_tag_offset to debug-info records, @@ -1537,8 +1533,8 @@ void HWAddressSanitizer::sanitizeFunction(Function &F, NumTotalFuncs++; if (CSelectiveInstrumentation) { - if (RandomSkipRate.getNumOccurrences()) { - std::bernoulli_distribution D(RandomSkipRate); + if (ClRandomSkipRate.getNumOccurrences()) { + std::bernoulli_distribution D(ClRandomSkipRate); if (D(*Rng)) return; } else { @@ -1547,10 +1543,10 @@ void HWAddressSanitizer::sanitizeFunction(Function &F, MAMProxy.getCachedResult<ProfileSummaryAnalysis>(*F.getParent()); if (PSI && PSI->hasProfileSummary()) { auto &BFI = FAM.getResult<BlockFrequencyAnalysis>(F); - if ((HotPercentileCutoff.getNumOccurrences() && - HotPercentileCutoff >= 0) + if ((ClHotPercentileCutoff.getNumOccurrences() && + ClHotPercentileCutoff >= 0) ? PSI->isFunctionHotInCallGraphNthPercentile( - HotPercentileCutoff, &F, BFI) + ClHotPercentileCutoff, &F, BFI) : PSI->isFunctionHotInCallGraph(&F, BFI)) return; } else { |