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, 22 insertions, 0 deletions

diff --git a/test/fuzzer/FourIndependentBranchesTest.cpp b/test/fuzzer/FourIndependentBranchesTest.cpp
new file mode 100644
index 000000000..bbf5ea235
--- /dev/null
+++ b/test/fuzzer/FourIndependentBranchesTest.cpp
@@ -0,0 +1,22 @@
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+// Simple test for a fuzzer. The fuzzer must find the string "FUZZ".
+#include <cstddef>
+#include <cstdint>
+#include <cstdlib>
+#include <iostream>
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+  int bits = 0;
+  if (Size > 0 && Data[0] == 'F') bits |= 1;
+  if (Size > 1 && Data[1] == 'U') bits |= 2;
+  if (Size > 2 && Data[2] == 'Z') bits |= 4;
+  if (Size > 3 && Data[3] == 'Z') bits |= 8;
+  if (bits == 15) {
+    std::cerr <<  "BINGO!\n";
+    exit(1);
+  }
+  return 0;
+}
+