Temporarily reverting the fuzzer library as it causes too many build issues for MSVC users. This reverts: 227445, 227395, 227389, 227357, 227254, 227252

llvm-svn: 227452

1 files changed, 0 insertions, 62 deletions

diff --git a/llvm/lib/Fuzzer/FuzzerMutate.cpp b/llvm/lib/Fuzzer/FuzzerMutate.cpp
deleted file mode 100644
index 2db8fac9..0000000
--- a/llvm/lib/Fuzzer/FuzzerMutate.cpp
+++ /dev/null
@@ -1,62 +0,0 @@
-//===- FuzzerMutate.cpp - Mutate a test input -----------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-// Mutate a test input.
-//===----------------------------------------------------------------------===//
-
-#include "FuzzerInternal.h"
-
-namespace fuzzer {
-
-static char FlipRandomBit(char X) {
-  int Bit = rand() % 8;
-  char Mask = 1 << Bit;
-  char R;
-  if (X & (1 << Bit))
-    R = X & ~Mask;
-  else
-    R = X | Mask;
-  assert(R != X);
-  return R;
-}
-
-static char RandCh() {
-  if (rand() % 2) return rand();
-  const char *Special = "!*'();:@&=+$,/?%#[]123ABCxyz-`~.";
-  return Special[rand() % (sizeof(Special) - 1)];
-}
-
-void Mutate(Unit *U, size_t MaxLen) {
-  assert(MaxLen > 0);
-  assert(U->size() <= MaxLen);
-  switch (rand() % 3) {
-  case 0:
-    if (U->size())
-      U->erase(U->begin() + rand() % U->size());
-    break;
-  case 1:
-    if (U->empty()) {
-      U->push_back(RandCh());
-    } else if (U->size() < MaxLen) {
-      U->insert(U->begin() + rand() % U->size(), RandCh());
-    } else { // At MaxLen.
-      uint8_t Ch = RandCh();
-      size_t Idx = rand() % U->size();
-      (*U)[Idx] = Ch;
-    }
-    break;
-  default:
-    if (!U->empty()) {
-      size_t idx = rand() % U->size();
-      (*U)[idx] = FlipRandomBit((*U)[idx]);
-    }
-    break;
-  }
-}
-
-}  // namespace fuzzer