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-rw-r--r--llvm/lib/Fuzzer/FuzzerCrossOver.cpp52
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
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