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/llvm-project/clang-tools-extra/test/clang-tidy/checkers/cert/
H A Dmsc51-cpp.cpp6 void srand(int seed);
11 void seed(int _ = 0);
22 void seed(int _ = 0);
29 void seed(int _ = 0);
37 void seed();
38 void seed(int _);
46 void seed();
47 void seed(int _);
55 void seed();
56 void seed(int _);
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/llvm-project/llvm/lib/Support/
H A Dxxhash.cpp105 uint64_t Seed = 0; in xxHash64()
112 uint64_t V1 = Seed + PRIME64_1 + PRIME64_2; in xxHash64()
113 uint64_t V2 = Seed + PRIME64_2; in xxHash64()
114 uint64_t V3 = Seed + 0; in xxHash64()
115 uint64_t V4 = Seed - PRIME64_1; in xxHash64()
135 H64 = Seed + PRIME64_5; in xxHash64()
226 const uint8_t *secret, uint64_t seed) { in XXH3_len_4to8_64b() argument
234 seed; in XXH3_len_4to8_64b()
239 const uint8_t *secret, uint64_t seed) { in XXH3_len_4to8_64b()
240 seed in XXH3_len_4to8_64b()
92 uint64_t Seed = 0; xxHash64() local
213 XXH3_len_1to3_64b(const uint8_t * input,size_t len,const uint8_t * secret,uint64_t seed) XXH3_len_1to3_64b() argument
243 XXH3_len_9to16_64b(const uint8_t * input,size_t len,const uint8_t * secret,uint64_t const seed) XXH3_len_9to16_64b() argument
257 XXH3_len_0to16_64b(const uint8_t * input,size_t len,const uint8_t * secret,uint64_t const seed) XXH3_len_0to16_64b() argument
269 XXH3_mix16B(const uint8_t * input,uint8_t const * secret,uint64_t seed) XXH3_mix16B() argument
283 XXH3_len_17to128_64b(const uint8_t * input,size_t len,const uint8_t * secret,uint64_t const seed) XXH3_len_17to128_64b() argument
308 XXH3_len_129to240_64b(const uint8_t * input,size_t len,const uint8_t * secret,uint64_t seed) XXH3_len_129to240_64b() argument
598 XXH3_len_1to3_128b(const uint8_t * input,size_t len,const uint8_t * secret,uint64_t seed) XXH3_len_1to3_128b() argument
625 XXH3_len_4to8_128b(const uint8_t * input,size_t len,const uint8_t * secret,uint64_t seed) XXH3_len_4to8_128b() argument
650 XXH3_len_9to16_128b(const uint8_t * input,size_t len,const uint8_t * secret,uint64_t seed) XXH3_len_9to16_128b() argument
726 XXH3_len_0to16_128b(const uint8_t * input,size_t len,const uint8_t * secret,uint64_t seed) XXH3_len_0to16_128b() argument
748 XXH128_mix32B(XXH128_hash_t acc,const uint8_t * input_1,const uint8_t * input_2,const uint8_t * secret,uint64_t seed) XXH128_mix32B() argument
758 XXH3_len_17to128_128b(const uint8_t * input,size_t len,const uint8_t * secret,size_t secretSize,uint64_t seed) XXH3_len_17to128_128b() argument
787 XXH3_len_129to240_128b(const uint8_t * input,size_t len,const uint8_t * secret,size_t secretSize,uint64_t seed) XXH3_len_129to240_128b() argument
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H A DRandomNumberGenerator.cpp37 "rng-seed", cl::value_desc("seed"), cl::Hidden, in call()
38 cl::desc("Seed for the random number generator"), cl::init(0)); in call()
42 static ManagedStatic<cl::opt<uint64_t>, CreateSeed> Seed; variable
43 void llvm::initRandomSeedOptions() { *Seed; } in initRandomSeedOptions()
46 LLVM_DEBUG(if (*Seed == 0) dbgs() in RandomNumberGenerator()
49 // Combine seed and salts using std::seed_seq. in RandomNumberGenerator()
50 // Data: Seed-low, Seed-high, Salt in RandomNumberGenerator()
56 Data[0] = *Seed; in RandomNumberGenerator()
57 Data[1] = *Seed >> 32; in RandomNumberGenerator()
62 Generator.seed(SeedSeq); in RandomNumberGenerator()
/llvm-project/polly/lib/External/isl/imath/tools/
H A Dfindthreshold.py27 def get_timing_stats(num_tests, precision, threshold, seed=None): argument
33 seed -- random seed; if None, the clock is used.
35 Returns a tuple of (seed, bits, time) where seed is the random seed used,
39 if seed is None:
40 seed = int(time.time())
43 './imtimer -mn -p %d -t %d -s %d %d' % (precision, threshold, seed,
49 return seed, int(bits), float(total)
63 seed = int(time.time())
72 s, b, t = get_timing_stats(1000, prec, thresh, seed)
73 sp, bp, tp = get_timing_stats(1000, prec, prec + 1, seed)
/llvm-project/compiler-rt/test/fuzzer/
H A Dseed_inputs.test6 USE-1: INFO: seed corpus: files: 1
7 RUN: echo -n "%t-SimpleTest" > %t.seed-inputs
9 RUN: %run %t-SimpleTest -runs=1 -seed_inputs=@%t.seed-inputs 2>&1 | FileCheck %s --check-prefix=USE…
12 USE-2: INFO: seed corpus: files: 2
13 RUN: echo -n "%t-SimpleTest,%t-SimpleTest" > %t.seed-inputs
14 RUN: %run %t-SimpleTest -runs=1 -seed_inputs=@%t.seed-inputs 2>&1 | FileCheck %s --check-prefix=USE…
18 RUN: echo -n "%t-SimpleTest,%t-SimpleTest,nonexistent-file," > %t.seed-inputs
19 RUN: %run %t-SimpleTest -runs=1 -seed_inputs=@%t.seed-inputs 2>&1 | FileCheck %s --check-prefix=USE…
22 # Test that using a non existent file or an empty seed list fails.
25 RUN: echo -n "" > %t.seed-inputs
[all …]
H A Dmsan.test4 RUN: not %run %t -seed=1 -runs=10000000 2>&1 | FileCheck %s --check-prefix=NO-REPORT
7 RUN: not %run %t -seed=1 -runs=10000000 2>&1 | FileCheck %s --check-prefix=NO-REPORT
10 RUN: not %run %t -seed=1 -runs=10000000 2>&1 | FileCheck %s --check-prefix=NO-REPORT
13 RUN: not %run %t -seed=1 -runs=10000000 2>&1 | FileCheck %s --check-prefix=NO-REPORT
20 RUN: not %run %t -seed=1 -runs=10000000 2>&1 | FileCheck %s --check-prefix=REPORT
23 RUN: not %run %t -seed=1 -runs=10000000 2>&1 | FileCheck %s --check-prefix=REPORT
H A DMsanCustomMutator.cpp22 unsigned int Seed) { in LLVMFuzzerCustomMutator() argument
23 if (Seed == 7) in LLVMFuzzerCustomMutator()
37 uint8_t *Out, size_t MaxOutSize, unsigned int Seed) { in LLVMFuzzerCustomCrossOver() argument
38 if (Seed == 7) in LLVMFuzzerCustomCrossOver()
/llvm-project/polly/lib/External/isl/imath/examples/
H A Drandprime.c55 /* Find a prime starting from the given odd seed */
56 mp_result find_prime(mp_int seed, FILE *fb);
57 mp_result find_strong_prime(mp_int seed, FILE *fb);
184 mp_result find_prime(mp_int seed, FILE *fb) { in find_prime() argument
188 if (mp_int_is_even(seed)) { in find_prime()
189 if ((res = mp_int_add_value(seed, 1, seed)) != MP_OK) { in find_prime()
194 while ((res = mp_int_is_prime(seed)) == MP_FALSE) { in find_prime()
200 if ((res = mp_int_add_value(seed, 2, seed)) != MP_OK) { in find_prime()
210 mp_result find_strong_prime(mp_int seed, FILE *fb) { in find_strong_prime() argument
216 if (find_prime(seed, fb) != MP_TRUE) break; in find_strong_prime()
[all …]
H A Dfindprime.c37 mpz_t seed; in main() local
45 mp_int_init(&seed); in main()
46 if ((res = mp_int_read_string(&seed, 10, argv[1])) != MP_OK) { in main()
51 if (mp_int_compare_value(&seed, 131) <= 0) { in main()
56 if ((res = mp_int_find_prime(&seed)) != MP_TRUE) { in main()
61 mp_int_to_string(&seed, 10, buf, sizeof(buf)); in main()
64 mp_int_clear(&seed); in main()
H A Drsakey.c64 /* Find a prime starting from the given odd seed */
65 mp_result find_prime(mp_int seed, FILE *fb);
246 mp_result find_prime(mp_int seed, FILE *fb) { in find_prime() argument
250 if (mp_int_is_even(seed)) in find_prime()
251 if ((res = mp_int_add_value(seed, 1, seed)) != MP_OK) return res; in find_prime()
253 while ((res = mp_int_is_prime(seed)) == MP_FALSE) { in find_prime()
258 if ((res = mp_int_add_value(seed, 2, seed)) != MP_OK) return res; in find_prime()
/llvm-project/flang/runtime/
H A Drandom.cpp40 generator.seed(0); in RTNAME()
45 generator.seed(ts.tv_sec ^ ts.tv_nsec); in RTNAME()
47 generator.seed(time(nullptr)); in RTNAME()
150 GeneratedWord seed; in RTNAME()
153 seed = *put->OffsetElement<CppTypeFor<TypeCategory::Integer, 4>>(); in RTNAME()
156 seed = *put->OffsetElement<CppTypeFor<TypeCategory::Integer, 8>>(); in RTNAME()
164 generator.seed(seed); in RTNAME()
165 nextValue = seed; in RTNAME()
173 generator.seed( in RTNAME()
119 GeneratedWord seed; RTNAME() local
159 GeneratedWord seed; RTNAME() local
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/llvm-project/llvm/include/llvm/ADT/
H A DHashing.h181 inline uint64_t hash_1to3_bytes(const char *s, size_t len, uint64_t seed) { in hash_1to3_bytes() argument
187 return shift_mix(y * k2 ^ z * k3 ^ seed) * k2; in hash_1to3_bytes()
190 inline uint64_t hash_4to8_bytes(const char *s, size_t len, uint64_t seed) { in hash_4to8_bytes() argument
192 return hash_16_bytes(len + (a << 3), seed ^ fetch32(s + len - 4)); in hash_4to8_bytes()
195 inline uint64_t hash_9to16_bytes(const char *s, size_t len, uint64_t seed) { in hash_9to16_bytes() argument
198 return hash_16_bytes(seed ^ a, rotate(b + len, len)) ^ b; in hash_9to16_bytes()
201 inline uint64_t hash_17to32_bytes(const char *s, size_t len, uint64_t seed) { in hash_17to32_bytes() argument
207 llvm::rotr<uint64_t>(c ^ seed, 30) + d, in hash_17to32_bytes()
208 a + llvm::rotr<uint64_t>(b ^ k3, 20) - c + len + seed); in hash_17to32_bytes()
211 inline uint64_t hash_33to64_bytes(const char *s, size_t len, uint64_t seed) { in hash_33to64_bytes() argument
234 hash_short(const char * s,size_t length,uint64_t seed) hash_short() argument
[all...]
/llvm-project/compiler-rt/test/asan/TestCases/Posix/
H A Dhalt_on_error-signals.c20 void random_delay(unsigned *seed) { in random_delay() argument
21 *seed = 1664525 * *seed + 1013904223; in random_delay()
22 struct timespec delay = { 0, (*seed % 1000) * 1000 }; in random_delay()
48 unsigned seed = 0; in sender() local
50 random_delay(&seed); in sender()
62 unsigned seed = 1; in receiver() local
64 random_delay(&seed); in receiver()
H A Dhalt_on_error-torture.cpp27 void random_delay(unsigned *seed) { in random_delay() argument
28 *seed = 1664525 * *seed + 1013904223; in random_delay()
29 struct timespec delay = { 0, static_cast<long>((*seed % 1000) * 1000) }; in random_delay()
34 unsigned seed = (unsigned)(size_t)arg; in run() local
40 random_delay(&seed); in run()
/llvm-project/lld/test/MachO/tools/
H A Dgenerate-cfi-funcs.py85 """Generate a seed that can easily be passed back in via --seed=STRING"""
105 "--seed",
108 help="Seed the random number generator",
129 random.seed(args.seed)
136 ### seed=%s lsda=%f p2align=%d
140 % (args.seed, lsda_odds, p2align, p2align)
/llvm-project/llvm/test/MC/RISCV/
H A Drvk-user-csr-name.s17 # seed
19 # CHECK-INST: csrrs t1, seed, zero
21 # CHECK-INST-ALIAS: csrr t1, seed
23 # CHECK-INST: csrrs t2, seed, zero
25 # CHECK-INST-ALIAS: csrr t2, seed
27 csrrs t1, seed, zero
/llvm-project/compiler-rt/lib/scudo/standalone/tests/
H A Dchecksum_test.cpp15 static scudo::u16 computeSoftwareChecksum(scudo::u32 Seed, scudo::uptr *Array, in computeSoftwareChecksum() argument
17 scudo::u16 Checksum = static_cast<scudo::u16>(Seed & 0xffff); in computeSoftwareChecksum()
23 static scudo::u16 computeHardwareChecksum(scudo::u32 Seed, scudo::uptr *Array, in computeHardwareChecksum() argument
25 scudo::u32 Crc = Seed; in computeHardwareChecksum()
39 const scudo::u32 Seed = 0x41424343U; in verifyChecksumFunctionBitFlip() local
40 const scudo::u16 Reference = F(Seed, Array, ArraySize); in verifyChecksumFunctionBitFlip()
45 if (F(Seed, Array, ArraySize) == Reference) in verifyChecksumFunctionBitFlip()
/llvm-project/clang-tools-extra/clang-tidy/cert/
H A DProperlySeededRandomGeneratorCheck.cpp40 // engine.seed(); in registerMatchers()
42 // engine.seed(1); in registerMatchers()
45 // engine.seed(x); in registerMatchers()
50 member(hasName("seed")), in registerMatchers()
52 .bind("seed"), in registerMatchers()
84 const auto *Func = Result.Nodes.getNodeAs<CXXMemberCallExpr>("seed"); in check()
115 "random number generator seeded with a disallowed source of seed " in checkSeed()
/llvm-project/clang-tools-extra/docs/clang-tidy/checks/cert/
H A Dmsc51-cpp.rst14 `MSC32-C. Properly seed pseudorandom number generators
15 <https://wiki.sei.cmu.edu/confluence/display/c/MSC32-C.+Properly+seed+pseudorandom+number+generator…
24 engine1.seed(); // Diagnose
25 engine2.seed(1); // Diagnose
28 engine1.seed(std::time(&t)); // Diagnose, system time might be controlled by user
/llvm-project/libc/AOR_v20.02/math/test/rtest/
H A Dmain.c21 void seed_random(uint32 seed);
143 * - "seed <integer>" sets a random seed in dofile()
164 if (!strncmp(buf, "seed ", 5)) { in dofile()
273 unsigned int seed = 1; /* in case no explicit seed provided */ in main() local
275 seed_random(seed); in main()
294 } else if (!strcmp(p,"--seed") && argc > 1 && 1==sscanf(*(argv+1),"%u",&seed)) { in main()
295 seed_random(seed); in main()
296 argv++; /* next in argv is seed value, so skip */ in main()
H A Drandom.c15 void seed_random(uint32 seed) { in seed_random() argument
20 seed = seed % 44488 * 48271 - seed / 44488 * 3399; in seed_random()
21 seedbuf[i] = seed - 1; in seed_random()
/llvm-project/llvm/docs/CommandGuide/
H A Dllvm-stress.rst9 :program:`llvm-stress` [-size=filesize] [-seed=initialseed] [-o=outfile]
28 .. option:: -seed seed
30 Specify the seed to be used for the randomly generated instructions.
/llvm-project/llvm/test/CodeGen/AArch64/
H A Darm64-fast-isel-gv.ll4 @seed = common global i64 0, align 8
12 store i64 74755, ptr @seed, align 8
33 %0 = load i64, ptr @seed, align 8
37 store i64 %and, ptr @seed, align 8
38 %1 = load i64, ptr @seed, align 8
/llvm-project/libc/test/src/stdlib/
H A Drand_test.cpp26 // as if 'srand' was called with a value of 1. If we seed the value with 1 we in TEST()
34 const unsigned int SEED = 12344321; in TEST()
35 LIBC_NAMESPACE::srand(SEED); in TEST() local
44 // If the seed is set to the same value, it should give the same sequence. in TEST()
45 LIBC_NAMESPACE::srand(SEED); in TEST()
/llvm-project/libc/fuzzing/__support/
H A Dhashtable_fuzz.cpp22 // - uint64_t: seed for table A
24 // - uint64_t: seed for table B
34 size_t max_size, unsigned int seed) { in LLVMFuzzerCustomMutator()
119 HashTable(uint64_t size, uint64_t seed) in HashTable()
120 : table(internal::HashTable::allocate(size, seed)) {} in HashTable()
136 uint64_t seed = global_status.next<uint64_t>(); in next_hashtable()
137 return HashTable(size, seed); in next_hashtable()
32 LLVMFuzzerCustomMutator(uint8_t * data,size_t size,size_t max_size,unsigned int seed) LLVMFuzzerCustomMutator() argument
118 HashTable(uint64_t size,uint64_t seed) HashTable() argument
135 uint64_t seed = global_status.next<uint64_t>(); next_hashtable() local

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