Move libFuzzer to compiler_rt.

Resulting library binaries will be named libclang_rt.fuzzer*, and will
be placed in Clang toolchain, allowing redistribution.

Differential Revision: https://reviews.llvm.org/D36908

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@311407 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 17 insertions, 0 deletions

diff --git a/test/fuzzer/EquivalenceATest.cpp b/test/fuzzer/EquivalenceATest.cpp
new file mode 100644
index 000000000..7d1ebb0f6
--- /dev/null
+++ b/test/fuzzer/EquivalenceATest.cpp
@@ -0,0 +1,17 @@
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+
+// Test for libFuzzer's "equivalence" fuzzing, part A.
+extern "C" void LLVMFuzzerAnnounceOutput(const uint8_t *Data, size_t Size);
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+  // fprintf(stderr, "A %zd\n", Size);
+  uint8_t Result[50];
+  if (Size > 50) Size = 50;
+  for (size_t i = 0; i < Size; i++)
+    Result[Size - i - 1] = Data[i];
+  LLVMFuzzerAnnounceOutput(Result, Size);
+  return 0;
+}