[libFuzzer] record traces from the switch statements only when told to do so

[oota-llvm.git] / lib / Fuzzer / FuzzerTraceState.cpp

diff --git a/lib/Fuzzer/FuzzerTraceState.cpp b/lib/Fuzzer/FuzzerTraceState.cpp
index 7af5f74d2a91b9c43c12bc7cdf52b4bfec37c914..5eae2ec8882d41aebc4c6dbe7fec087a6f4bc365 100644 (file)
--- a/lib/Fuzzer/FuzzerTraceState.cpp
+++ b/lib/Fuzzer/FuzzerTraceState.cpp
@@ -364,6 +364,7 @@ void TraceState::TraceCmpCallback(uintptr_t PC, size_t CmpSize, size_t CmpType,
 void TraceState::TraceSwitchCallback(uintptr_t PC, size_t ValSizeInBits,
                                      uint64_t Val, size_t NumCases,
                                      uint64_t *Cases) {
+  if (!RecordingTraces) return;
   for (size_t i = 0; i < NumCases; i++)
     TryToAddDesiredData(Val, Cases[i], ValSizeInBits / 8);
 }