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
llvm-svn: 311407
diff --git a/compiler-rt/test/fuzzer/Switch2Test.cpp b/compiler-rt/test/fuzzer/Switch2Test.cpp
new file mode 100644
index 0000000..5f66ac8
--- /dev/null
+++ b/compiler-rt/test/fuzzer/Switch2Test.cpp
@@ -0,0 +1,35 @@
+// 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 interesting switch value.
+#include <cstddef>
+#include <cstdint>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+
+int Switch(int a) {
+ switch(a) {
+ case 100001: return 1;
+ case 100002: return 2;
+ case 100003: return 4;
+ }
+ return 0;
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+ const int N = 3;
+ if (Size < N * sizeof(int)) return 0;
+ int Res = 0;
+ for (int i = 0; i < N; i++) {
+ int X;
+ memcpy(&X, Data + i * sizeof(int), sizeof(int));
+ Res += Switch(X);
+ }
+ if (Res == 5 || Res == 3 || Res == 6 || Res == 7) {
+ fprintf(stderr, "BINGO; Found the target, exiting; Res=%d\n", Res);
+ exit(1);
+ }
+ return 0;
+}
+