[libFuzzer] Delete llvm/lib/Fuzzer

Summary: Code is already in compiler-rt

Reviewers: kcc

Subscribers: krytarowski, llvm-commits, hiraditya

Differential Revision: https://reviews.llvm.org/D38912

llvm-svn: 315937

1 files changed, 0 insertions, 52 deletions

diff --git a/llvm/lib/Fuzzer/FuzzerCrossOver.cpp b/llvm/lib/Fuzzer/FuzzerCrossOver.cpp
deleted file mode 100644
index 8b0fd7d529a..00000000000
--- a/llvm/lib/Fuzzer/FuzzerCrossOver.cpp
+++ /dev/null
@@ -1,52 +0,0 @@
-//===- FuzzerCrossOver.cpp - Cross over two test inputs -------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-// Cross over test inputs.
-//===----------------------------------------------------------------------===//
-
-#include "FuzzerDefs.h"
-#include "FuzzerMutate.h"
-#include "FuzzerRandom.h"
-#include <cstring>
-
-namespace fuzzer {
-
-// Cross Data1 and Data2, store the result (up to MaxOutSize bytes) in Out.
-size_t MutationDispatcher::CrossOver(const uint8_t *Data1, size_t Size1,
-                                     const uint8_t *Data2, size_t Size2,
-                                     uint8_t *Out, size_t MaxOutSize) {
-  assert(Size1 || Size2);
-  MaxOutSize = Rand(MaxOutSize) + 1;
-  size_t OutPos = 0;
-  size_t Pos1 = 0;
-  size_t Pos2 = 0;
-  size_t *InPos = &Pos1;
-  size_t InSize = Size1;
-  const uint8_t *Data = Data1;
-  bool CurrentlyUsingFirstData = true;
-  while (OutPos < MaxOutSize && (Pos1 < Size1 || Pos2 < Size2)) {
-    // Merge a part of Data into Out.
-    size_t OutSizeLeft = MaxOutSize - OutPos;
-    if (*InPos < InSize) {
-      size_t InSizeLeft = InSize - *InPos;
-      size_t MaxExtraSize = std::min(OutSizeLeft, InSizeLeft);
-      size_t ExtraSize = Rand(MaxExtraSize) + 1;
-      memcpy(Out + OutPos, Data + *InPos, ExtraSize);
-      OutPos += ExtraSize;
-      (*InPos) += ExtraSize;
-    }
-    // Use the other input data on the next iteration.
-    InPos  = CurrentlyUsingFirstData ? &Pos2 : &Pos1;
-    InSize = CurrentlyUsingFirstData ? Size2 : Size1;
-    Data   = CurrentlyUsingFirstData ? Data2 : Data1;
-    CurrentlyUsingFirstData = !CurrentlyUsingFirstData;
-  }
-  return OutPos;
-}
-
-}  // namespace fuzzer