1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized 2 3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized 4 5 #pragma omp requires dynamic_allocators 6 7 typedef void **omp_allocator_handle_t; 8 extern const omp_allocator_handle_t omp_null_allocator; 9 extern const omp_allocator_handle_t omp_default_mem_alloc; 10 extern const omp_allocator_handle_t omp_large_cap_mem_alloc; 11 extern const omp_allocator_handle_t omp_const_mem_alloc; 12 extern const omp_allocator_handle_t omp_high_bw_mem_alloc; 13 extern const omp_allocator_handle_t omp_low_lat_mem_alloc; 14 extern const omp_allocator_handle_t omp_cgroup_mem_alloc; 15 extern const omp_allocator_handle_t omp_pteam_mem_alloc; 16 extern const omp_allocator_handle_t omp_thread_mem_alloc; 17 18 void xxx(int argc) { 19 int i, lin, step; // expected-note {{initialize the variable 'lin' to silence this warning}} expected-note {{initialize the variable 'step' to silence this warning}} 20 #pragma omp target parallel for simd linear(i, lin : step) // expected-warning {{variable 'lin' is uninitialized when used here}} expected-warning {{variable 'step' is uninitialized when used here}} 21 for (i = 0; i < 10; ++i) 22 ; 23 } 24 25 namespace X { 26 int x; 27 }; 28 29 struct B { 30 static int ib; // expected-note {{'B::ib' declared here}} 31 static int bfoo() { return 8; } 32 }; 33 34 int bfoo() { return 4; } 35 36 int z; 37 const int C1 = 1; 38 const int C2 = 2; 39 void test_linear_colons() { 40 int B = 0; 41 #pragma omp target parallel for simd linear(B : bfoo()) 42 for (int i = 0; i < 10; ++i) 43 ; 44 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}} 45 #pragma omp target parallel for simd linear(B::ib : B : bfoo()) 46 for (int i = 0; i < 10; ++i) 47 ; 48 // expected-error@+1 {{use of undeclared identifier 'ib'; did you mean 'B::ib'}} 49 #pragma omp target parallel for simd linear(B : ib) 50 for (int i = 0; i < 10; ++i) 51 ; 52 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}} 53 #pragma omp target parallel for simd linear(z : B : ib) 54 for (int i = 0; i < 10; ++i) 55 ; 56 #pragma omp target parallel for simd linear(B : B::bfoo()) 57 for (int i = 0; i < 10; ++i) 58 ; 59 #pragma omp target parallel for simd linear(X::x : ::z) 60 for (int i = 0; i < 10; ++i) 61 ; 62 #pragma omp target parallel for simd linear(B, ::z, X::x) 63 for (int i = 0; i < 10; ++i) 64 ; 65 #pragma omp target parallel for simd linear(::z) allocate(omp_thread_mem_alloc: ::z) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'target parallel for simd' directive}} 66 for (int i = 0; i < 10; ++i) 67 ; 68 // expected-error@+1 {{expected variable name}} 69 #pragma omp target parallel for simd linear(B::bfoo()) 70 for (int i = 0; i < 10; ++i) 71 ; 72 #pragma omp target parallel for simd linear(B::ib, B : C1 + C2) 73 for (int i = 0; i < 10; ++i) 74 ; 75 } 76 77 template <int L, class T, class N> 78 T test_template(T *arr, N num) { 79 N i; 80 T sum = (T)0; 81 T ind2 = -num * L; // expected-note {{'ind2' defined here}} 82 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type}} 83 #pragma omp target parallel for simd linear(ind2 : L) 84 for (i = 0; i < num; ++i) { 85 T cur = arr[(int)ind2]; 86 ind2 += L; 87 sum += cur; 88 } 89 return T(); 90 } 91 92 template <int LEN> 93 int test_warn() { 94 int ind2 = 0; 95 // expected-warning@+1 {{zero linear step (ind2 should probably be const)}} 96 #pragma omp target parallel for simd linear(ind2 : LEN) 97 for (int i = 0; i < 100; i++) { 98 ind2 += LEN; 99 } 100 return ind2; 101 } 102 103 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}} 104 extern S1 a; 105 class S2 { 106 mutable int a; 107 108 public: 109 S2() : a(0) {} 110 }; 111 const S2 b; // expected-note 2 {{'b' defined here}} 112 const S2 ba[5]; 113 class S3 { 114 int a; 115 116 public: 117 S3() : a(0) {} 118 }; 119 const S3 ca[5]; 120 class S4 { 121 int a; 122 S4(); 123 124 public: 125 S4(int v) : a(v) {} 126 }; 127 class S5 { 128 int a; 129 S5() : a(0) {} 130 131 public: 132 S5(int v) : a(v) {} 133 }; 134 135 S3 h; 136 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}} 137 138 template <class I, class C> 139 int foomain(I argc, C **argv) { 140 I e(4); 141 I g(5); 142 int i, z; 143 int &j = i; 144 #pragma omp target parallel for simd linear // expected-error {{expected '(' after 'linear'}} 145 for (int k = 0; k < argc; ++k) 146 ++k; 147 #pragma omp target parallel for simd linear( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 148 for (int k = 0; k < argc; ++k) 149 ++k; 150 #pragma omp target parallel for simd linear() // expected-error {{expected expression}} 151 for (int k = 0; k < argc; ++k) 152 ++k; 153 #pragma omp target parallel for simd linear(argc // expected-error {{expected ')'}} expected-note {{to match this '('}} 154 for (int k = 0; k < argc; ++k) 155 ++k; 156 #pragma omp target parallel for simd linear(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 157 for (int k = 0; k < argc; ++k) 158 ++k; 159 #pragma omp target parallel for simd linear(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}} 160 for (int k = 0; k < argc; ++k) 161 ++k; 162 #pragma omp target parallel for simd linear(argc : 5) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}} 163 for (int k = 0; k < argc; ++k) 164 ++k; 165 #pragma omp target parallel for simd linear(S1) // expected-error {{'S1' does not refer to a value}} 166 for (int k = 0; k < argc; ++k) 167 ++k; 168 // expected-error@+2 {{linear variable with incomplete type 'S1'}} 169 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}} 170 #pragma omp target parallel for simd linear(a, b : B::ib) 171 for (int k = 0; k < argc; ++k) 172 ++k; 173 #pragma omp target parallel for simd linear(argv[1]) // expected-error {{expected variable name}} 174 for (int k = 0; k < argc; ++k) 175 ++k; 176 #pragma omp target parallel for simd linear(e, g, z) 177 for (int k = 0; k < argc; ++k) 178 ++k; 179 #pragma omp target parallel for simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}} 180 for (int k = 0; k < argc; ++k) 181 ++k; 182 #pragma omp target parallel for simd linear(i) 183 for (int k = 0; k < argc; ++k) 184 ++k; 185 #pragma omp parallel 186 { 187 int v = 0; 188 int i; 189 #pragma omp target parallel for simd linear(v : i) 190 for (int k = 0; k < argc; ++k) { 191 i = k; 192 v += i; 193 } 194 } 195 #pragma omp target parallel for simd linear(j) 196 for (int k = 0; k < argc; ++k) 197 ++k; 198 int v = 0; 199 #pragma omp target parallel for simd linear(v : j) 200 for (int k = 0; k < argc; ++k) { 201 ++k; 202 v += j; 203 } 204 #pragma omp target parallel for simd linear(i) 205 for (int k = 0; k < argc; ++k) 206 ++k; 207 return 0; 208 } 209 210 namespace A { 211 double x; 212 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}} 213 } 214 namespace C { 215 using A::x; 216 } 217 218 int main(int argc, char **argv) { 219 double darr[100]; 220 // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}} 221 test_template<-4>(darr, 4); 222 // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}} 223 test_warn<0>(); 224 225 S4 e(4); // expected-note {{'e' defined here}} 226 S5 g(5); // expected-note {{'g' defined here}} 227 int i, z; 228 int &j = i; 229 #pragma omp target parallel for simd linear // expected-error {{expected '(' after 'linear'}} 230 for (int k = 0; k < argc; ++k) 231 ++k; 232 #pragma omp target parallel for simd linear( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 233 for (int k = 0; k < argc; ++k) 234 ++k; 235 #pragma omp target parallel for simd linear() // expected-error {{expected expression}} 236 for (int k = 0; k < argc; ++k) 237 ++k; 238 #pragma omp target parallel for simd linear(argc // expected-error {{expected ')'}} expected-note {{to match this '('}} 239 for (int k = 0; k < argc; ++k) 240 ++k; 241 #pragma omp target parallel for simd linear(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 242 for (int k = 0; k < argc; ++k) 243 ++k; 244 #pragma omp target parallel for simd linear(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}} 245 for (int k = 0; k < argc; ++k) 246 ++k; 247 #pragma omp target parallel for simd linear(argc, z) 248 for (int k = 0; k < argc; ++k) 249 ++k; 250 #pragma omp target parallel for simd linear(S1) // expected-error {{'S1' does not refer to a value}} 251 for (int k = 0; k < argc; ++k) 252 ++k; 253 // expected-error@+2 {{linear variable with incomplete type 'S1'}} 254 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}} 255 #pragma omp target parallel for simd linear(a, b) 256 for (int k = 0; k < argc; ++k) 257 ++k; 258 #pragma omp target parallel for simd linear(argv[1]) // expected-error {{expected variable name}} 259 for (int k = 0; k < argc; ++k) 260 ++k; 261 // expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}} 262 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}} 263 #pragma omp target parallel for simd linear(e, g) 264 for (int k = 0; k < argc; ++k) 265 ++k; 266 #pragma omp target parallel for simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}} 267 for (int k = 0; k < argc; ++k) 268 ++k; 269 #pragma omp parallel 270 { 271 int i; 272 #pragma omp target parallel for simd linear(i) 273 for (int k = 0; k < argc; ++k) 274 ++k; 275 #pragma omp target parallel for simd linear(i : 4) 276 for (int k = 0; k < argc; ++k) { 277 ++k; 278 i += 4; 279 } 280 } 281 #pragma omp target parallel for simd linear(j) 282 for (int k = 0; k < argc; ++k) 283 ++k; 284 #pragma omp target parallel for simd linear(i) 285 for (int k = 0; k < argc; ++k) 286 ++k; 287 288 foomain<int, char>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}} 289 return 0; 290 } 291 292