1 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
2 // See https://llvm.org/LICENSE.txt for license information.
3 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
4 
5 // Test for alignment assumption failure.
6 
7 #include <assert.h>
8 #include <climits>
9 #include <cstddef>
10 #include <cstdint>
11 #include <cstdlib>
12 #include <iostream>
13 
14 static volatile int32_t Sink;
15 
LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)16 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
17   assert(Data);
18   if (Size > 0 && Data[0] == 'H') {
19     Sink = 1;
20     if (Size > 1 && Data[1] == 'i') {
21       Sink = 2;
22       if (Size > 2 && Data[2] == '!') {
23         auto r = __builtin_assume_aligned(Data + 1, 0x8000);
24       }
25     }
26   }
27   return 0;
28 }
29