Moving libFuzzer from LLVM to compiler-rt.

This change only removes libFuzzer tests and CMake machinery,
the source copy temporarily remains at the old location.

Differential Revision: https://reviews.llvm.org/D36980

llvm-svn: 311405

1 files changed, 0 insertions, 40 deletions

diff --git a/llvm/lib/Fuzzer/test/SimpleHashTest.cpp b/llvm/lib/Fuzzer/test/SimpleHashTest.cpp
deleted file mode 100644
index 99e96cb25dc..00000000000
--- a/llvm/lib/Fuzzer/test/SimpleHashTest.cpp
+++ /dev/null
@@ -1,40 +0,0 @@
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-
-// This test computes a checksum of the data (all but the last 4 bytes),
-// and then compares the last 4 bytes with the computed value.
-// A fuzzer with cmp traces is expected to defeat this check.
-#include <cstdint>
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-
-// A modified jenkins_one_at_a_time_hash initialized by non-zero,
-// so that simple_hash(0) != 0. See also
-// https://en.wikipedia.org/wiki/Jenkins_hash_function
-static uint32_t simple_hash(const uint8_t *Data, size_t Size) {
-  uint32_t Hash = 0x12039854;
-  for (uint32_t i = 0; i < Size; i++) {
-    Hash += Data[i];
-    Hash += (Hash << 10);
-    Hash ^= (Hash >> 6);
-  }
-  Hash += (Hash << 3);
-  Hash ^= (Hash >> 11);
-  Hash += (Hash << 15);
-  return Hash;
-}
-
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
-  if (Size < 14)
-    return 0;
-
-  uint32_t Hash = simple_hash(&Data[0], Size - 4);
-  uint32_t Want = reinterpret_cast<const uint32_t *>(&Data[Size - 4])[0];
-  if (Hash != Want)
-    return 0;
-  fprintf(stderr, "BINGO; simple_hash defeated: %x == %x\n", (unsigned int)Hash,
-          (unsigned int)Want);
-  exit(1);
-  return 0;
-}