Mercurial > hg > CbC > CbC_llvm

annotate projects/compiler-rt/test/fuzzer/ShrinkValueProfileTest.cpp @ 181:df311c476dd5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
CreateIdentifierInfo in ParseCbC (not yet worked)
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 31 May 2020 12:30:11 +0900
parents f476a9ba4795
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
131
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
1 // This file is distributed under the University of Illinois Open Source
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
2 // License. See LICENSE.TXT for details.
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
3
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
4 // Test that we can find the minimal item in the corpus (3 bytes: "FUZ").
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
5 #include <cstddef>
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
6 #include <cstdint>
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
7 #include <cstdio>
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
8 #include <cstdlib>
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
9 #include <cstring>
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
10
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
11 static volatile uint32_t Sink;
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
12
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
13 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
14 if (Size < sizeof(uint32_t)) return 0;
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
15 uint32_t X, Y;
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
16 size_t Offset = Size < 8 ? 0 : Size / 2;
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
17 memcpy(&X, Data + Offset, sizeof(uint32_t));
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
18 memcpy(&Y, "FUZZ", sizeof(uint32_t));
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
19 Sink = X == Y;
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
20 return 0;
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
21 }
f476a9ba4795 http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
mir3636
parents:
diff changeset
22