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[libFuzzer] remove dead code, NFC 

llvm-svn: 291195
This commit is contained in:
Kostya Serebryany 2017-01-06 00:09:40 +00:00
parent 93e4fe8aad
commit 61f5473bad
1 changed files with 0 additions and 47 deletions
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47
llvm/lib/Fuzzer/FuzzerTraceState.cpp
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@ -46,10 +46,6 @@ public:
void TraceMemcmpCallback(size_t CmpSize, const uint8_t *Data1,
const uint8_t *Data2);
void TraceSwitchCallback(uintptr_t PC, size_t ValSizeInBits, uint64_t Val,
size_t NumCases, uint64_t *Cases);
int TryToAddDesiredData(uint64_t PresentData, uint64_t DesiredData,
size_t DataSize);
int TryToAddDesiredData(const uint8_t *PresentData,
const uint8_t *DesiredData, size_t DataSize);
@ -147,29 +143,6 @@ public:
size_t AutoDictAdds = 0;
};
int TraceState::TryToAddDesiredData(uint64_t PresentData, uint64_t DesiredData,
size_t DataSize) {
if (NumMutations >= kMaxMutations || !WantToHandleOneMoreMutation()) return 0;
ScopedDoingMyOwnMemmem scoped_doing_my_own_memmem;
const uint8_t *UnitData;
auto UnitSize = F->GetCurrentUnitInFuzzingThead(&UnitData);
int Res = 0;
const uint8_t *Beg = UnitData;
const uint8_t *End = Beg + UnitSize;
for (const uint8_t *Cur = Beg; Cur < End; Cur++) {
Cur = (uint8_t *)SearchMemory(Cur, End - Cur, &PresentData, DataSize);
if (!Cur)
break;
size_t Pos = Cur - Beg;
assert(Pos < UnitSize);
AddMutation(Pos, DataSize, DesiredData);
AddMutation(Pos, DataSize, DesiredData + 1);
AddMutation(Pos, DataSize, DesiredData - 1);
Res++;
}
return Res;
}
int TraceState::TryToAddDesiredData(const uint8_t *PresentData,
const uint8_t *DesiredData,
size_t DataSize) {
@ -206,26 +179,6 @@ void TraceState::TraceMemcmpCallback(size_t CmpSize, const uint8_t *Data1,
}
}
void TraceState::TraceSwitchCallback(uintptr_t PC, size_t ValSizeInBits,
uint64_t Val, size_t NumCases,
uint64_t *Cases) {
if (F->InFuzzingThread()) return;
size_t ValSize = ValSizeInBits / 8;
bool TryShort = IsTwoByteData(Val);
for (size_t i = 0; i < NumCases; i++)
TryShort &= IsTwoByteData(Cases[i]);
if (Options.Verbosity >= 3)
Printf("TraceSwitch: %p %zd # %zd; TryShort %d\n", PC, Val, NumCases,
TryShort);
for (size_t i = 0; i < NumCases; i++) {
TryToAddDesiredData(Val, Cases[i], ValSize);
if (TryShort)
TryToAddDesiredData(Val, Cases[i], 2);
}
}
static TraceState *TS;
void Fuzzer::StartTraceRecording() {