xref: /openbsd-src/gnu/llvm/llvm/tools/llvm-dis-fuzzer/llvm-dis-fuzzer.cpp (revision d415bd752c734aee168c4ee86ff32e8cc249eb16)
1 //===-- llvm-dis-fuzzer.cpp - Fuzzer for llvm-dis using lib/Fuzzer --------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // Fuzzer for LLVM bitcode reading.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "llvm/Bitcode/BitcodeReader.h"
14 #include "llvm/IR/LLVMContext.h"
15 #include "llvm/IR/Module.h"
16 #include "llvm/Support/MemoryBuffer.h"
17 
18 using namespace llvm;
19 
LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)20 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
21   LLVMContext Context;
22   auto Buffer = MemoryBuffer::getMemBuffer(
23       StringRef(reinterpret_cast<const char *>(Data), Size), "Fuzzer input",
24       /*RequiresNullTerminator=*/false);
25   consumeError(
26       parseBitcodeFile(Buffer->getMemBufferRef(), Context).takeError());
27   return 0;
28 }
29