1 | /* |
2 | xxHash - Extremely Fast Hash algorithm |
3 | Header File |
4 | Copyright (C) 2012-2016, Yann Collet. |
5 | |
6 | BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php) |
7 | |
8 | Redistribution and use in source and binary forms, with or without |
9 | modification, are permitted provided that the following conditions are |
10 | met: |
11 | |
12 | * Redistributions of source code must retain the above copyright |
13 | notice, this list of conditions and the following disclaimer. |
14 | * Redistributions in binary form must reproduce the above |
15 | copyright notice, this list of conditions and the following disclaimer |
16 | in the documentation and/or other materials provided with the |
17 | distribution. |
18 | |
19 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
20 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
21 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
22 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
23 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
24 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
25 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
26 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
27 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
28 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
29 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
30 | |
31 | You can contact the author at : |
32 | - xxHash source repository : https://github.com/Cyan4973/xxHash |
33 | */ |
34 | |
35 | /* based on revision d2df04efcbef7d7f6886d345861e5dfda4edacc1 Removed |
36 | * everything but a simple interface for computing XXh64. */ |
37 | |
38 | #ifndef LLVM_SUPPORT_XXHASH_H |
39 | #define LLVM_SUPPORT_XXHASH_H |
40 | |
41 | #include "llvm/ADT/ArrayRef.h" |
42 | #include "llvm/ADT/StringRef.h" |
43 | |
44 | namespace llvm { |
45 | uint64_t xxHash64(llvm::StringRef Data); |
46 | uint64_t xxHash64(llvm::ArrayRef<uint8_t> Data); |
47 | |
48 | uint64_t xxh3_64bits(ArrayRef<uint8_t> data); |
49 | inline uint64_t xxh3_64bits(StringRef data) { |
50 | return xxh3_64bits(data: ArrayRef(data.bytes_begin(), data.size())); |
51 | } |
52 | } |
53 | |
54 | #endif |
55 | |