[libFuzzer] don't require seed in fuzzer::Mutate, instead use the global Fuzzer object for fuzzer::Mutate. This makes custom mutators fast

llvm-svn: 260810

1 files changed, 0 insertions, 6 deletions

diff --git a/llvm/lib/Fuzzer/FuzzerMutate.cpp b/llvm/lib/Fuzzer/FuzzerMutate.cpp
index b3442219b16..252955e13e3 100644
--- a/llvm/lib/Fuzzer/FuzzerMutate.cpp
+++ b/llvm/lib/Fuzzer/FuzzerMutate.cpp
@@ -34,12 +34,6 @@ MutationDispatcher::Mutator MutationDispatcher::Mutators[] = {
     "AddFromPersAutoDict"},
 };
 
-size_t Mutate(uint8_t *Data, size_t Size, size_t MaxSize, unsigned int Seed) {
-  Random R(Seed);
-  MutationDispatcher MD(R);
-  return MD.Mutate(Data, Size, MaxSize);
-}
-
 static char FlipRandomBit(char X, Random &Rand) {
   int Bit = Rand(8);
   char Mask = 1 << Bit;