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[libFuzzer] don't clear Counters in TracePC::CollectFeatures since they will be cleared anyway in ResetMaps

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@297783 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kostya Serebryany 2017-03-14 21:40:53 +00:00
parent 9db5e41e1d
commit 05628fa8ff
2 changed files with 3 additions and 4 deletions
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5
lib/Fuzzer/FuzzerTracePC.h
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@ -57,7 +57,7 @@ class TracePC {
void SetUseCounters(bool UC) { UseCounters = UC; }
void SetUseValueProfile(bool VP) { UseValueProfile = VP; }
void SetPrintNewPCs(bool P) { DoPrintNewPCs = P; }
template <class Callback> size_t CollectFeatures(Callback CB);
template <class Callback> size_t CollectFeatures(Callback CB) const;
void ResetMaps() {
ValueProfileMap.Reset();
@ -111,7 +111,7 @@ private:
};
template <class Callback>
size_t TracePC::CollectFeatures(Callback CB) {
size_t TracePC::CollectFeatures(Callback CB) const {
if (!UsingTracePcGuard()) return 0;
size_t Res = 0;
const size_t Step = 8;
@ -125,7 +125,6 @@ size_t TracePC::CollectFeatures(Callback CB) {
for (size_t i = Idx; i < Idx + Step; i++) {
uint8_t Counter = (Bundle >> ((i - Idx) * 8)) & 0xff;
if (!Counter) continue;
Counters[i] = 0;
unsigned Bit = 0;
/**/ if (Counter >= 128) Bit = 7;
else if (Counter >= 32) Bit = 6;

2
lib/Fuzzer/FuzzerValueBitMap.h
View File

@ -76,7 +76,7 @@ struct ValueBitMap {
template <class Callback>
ATTRIBUTE_NO_SANITIZE_ALL
void ForEach(Callback CB) {
void ForEach(Callback CB) const {
for (size_t i = 0; i < kMapSizeInWords; i++)
if (uintptr_t M = Map[i])
for (size_t j = 0; j < sizeof(M) * 8; j++)