Implemented proto to LLVM conversion and LLVM fuzz target
Differential Revision: https://reviews.llvm.org/D48106

llvm-svn: 335374
diff --git a/clang/tools/clang-fuzzer/ExampleClangLLVMProtoFuzzer.cpp b/clang/tools/clang-fuzzer/ExampleClangLLVMProtoFuzzer.cpp
new file mode 100644
index 0000000..347ba1c
--- /dev/null
+++ b/clang/tools/clang-fuzzer/ExampleClangLLVMProtoFuzzer.cpp
@@ -0,0 +1,28 @@
+//===-- ExampleClangLLVMProtoFuzzer.cpp - Fuzz Clang ----------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+///  This file implements a function that compiles a single LLVM IR string as
+///  input and uses libprotobuf-mutator to find new inputs. This function is
+///  then linked into the Fuzzer library.
+///
+//===----------------------------------------------------------------------===//
+
+#include "cxx_loop_proto.pb.h"
+#include "fuzzer-initialize/fuzzer_initialize.h"
+#include "handle-llvm/handle_llvm.h"
+#include "proto-to-llvm/loop_proto_to_llvm.h"
+#include "src/libfuzzer/libfuzzer_macro.h"
+
+using namespace clang_fuzzer;
+
+DEFINE_BINARY_PROTO_FUZZER(const LoopFunction &input) {
+  auto S = LoopFunctionToLLVMString(input);
+  HandleLLVM(S, GetCLArgs());
+}