diff options
| author | Kostya Serebryany <kcc@google.com> | 2017-01-27 00:09:59 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2017-01-27 00:09:59 +0000 |
| commit | 7f058972ee9245519e8aefa7405a2cb702d27ac4 (patch) | |
| tree | 78c7b6b4863c01661066b1d96a33e0f23b8d7d2f /llvm/lib/Fuzzer/FuzzerValueBitMap.h | |
| parent | 8f713190e779f093f3d180e7ed0122879464a3fe (diff) | |
| download | bcm5719-llvm-7f058972ee9245519e8aefa7405a2cb702d27ac4.tar.gz bcm5719-llvm-7f058972ee9245519e8aefa7405a2cb702d27ac4.zip | |
[libFuzzer] simplify the value profile code and disable asan/msan on it
llvm-svn: 293236
Diffstat (limited to 'llvm/lib/Fuzzer/FuzzerValueBitMap.h')
| -rw-r--r-- | llvm/lib/Fuzzer/FuzzerValueBitMap.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Fuzzer/FuzzerValueBitMap.h b/llvm/lib/Fuzzer/FuzzerValueBitMap.h index 0692acd13ee..22e06641fa1 100644 --- a/llvm/lib/Fuzzer/FuzzerValueBitMap.h +++ b/llvm/lib/Fuzzer/FuzzerValueBitMap.h @@ -19,7 +19,7 @@ namespace fuzzer { // A bit map containing kMapSizeInWords bits. struct ValueBitMap { static const size_t kMapSizeInBits = 65371; // Prime. - static const size_t kMapSizeInBitsAligned = 65536; // 2^16 + static const size_t kMapSizeInBitsAligned = 1 << 16; // 2^16 static const size_t kBitsInWord = (sizeof(uintptr_t) * 8); static const size_t kMapSizeInWords = kMapSizeInBitsAligned / kBitsInWord; public: @@ -29,6 +29,7 @@ struct ValueBitMap { // Computes a hash function of Value and sets the corresponding bit. // Returns true if the bit was changed from 0 to 1. + ATTRIBUTE_NO_SANITIZE_ALL inline bool AddValue(uintptr_t Value) { uintptr_t Idx = Value < kMapSizeInBits ? Value : Value % kMapSizeInBits; uintptr_t WordIdx = Idx / kBitsInWord; @@ -69,6 +70,7 @@ struct ValueBitMap { } template <class Callback> + ATTRIBUTE_NO_SANITIZE_ALL void ForEach(Callback CB) { for (size_t i = 0; i < kMapSizeInWords; i++) if (uintptr_t M = Map[i]) |
