1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -ferror-limit 150 -o - %s -Wuninitialized 2 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized 3 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized 4 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -ferror-limit 150 -o - %s -Wuninitialized 5 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized 6 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized 7 8 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -ferror-limit 150 -o - %s -Wuninitialized 9 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized 10 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized 11 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -ferror-limit 150 -o - %s -Wuninitialized 12 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized 13 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized 14 15 typedef void **omp_allocator_handle_t; 16 extern const omp_allocator_handle_t omp_null_allocator; 17 extern const omp_allocator_handle_t omp_default_mem_alloc; 18 extern const omp_allocator_handle_t omp_large_cap_mem_alloc; 19 extern const omp_allocator_handle_t omp_const_mem_alloc; 20 extern const omp_allocator_handle_t omp_high_bw_mem_alloc; 21 extern const omp_allocator_handle_t omp_low_lat_mem_alloc; 22 extern const omp_allocator_handle_t omp_cgroup_mem_alloc; 23 extern const omp_allocator_handle_t omp_pteam_mem_alloc; 24 extern const omp_allocator_handle_t omp_thread_mem_alloc; 25 26 void xxx(int argc) { 27 int fp; // expected-note {{initialize the variable 'fp' to silence this warning}} 28 #pragma omp parallel master taskloop reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}} 29 for (int i = 0; i < 10; ++i) 30 ; 31 } 32 33 void foo() { 34 } 35 36 bool foobool(int argc) { 37 return argc; 38 } 39 40 void foobar(int &ref) { 41 #pragma omp parallel master taskloop reduction(+:ref) 42 for (int i = 0; i < 10; ++i) 43 foo(); 44 } 45 46 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}} 47 extern S1 a; 48 class S2 { 49 mutable int a; 50 S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}} 51 52 public: 53 S2() : a(0) {} 54 S2(S2 &s2) : a(s2.a) {} 55 static float S2s; // expected-note 2 {{static data member is predetermined as shared}} 56 static const float S2sc; // expected-note 2 {{'S2sc' declared here}} 57 }; 58 const float S2::S2sc = 0; 59 S2 b; // expected-note 3 {{'b' defined here}} 60 const S2 ba[5]; // expected-note 2 {{'ba' defined here}} 61 class S3 { 62 int a; 63 64 public: 65 int b; 66 S3() : a(0) {} 67 S3(const S3 &s3) : a(s3.a) {} 68 S3 operator+(const S3 &arg1) { return arg1; } 69 }; 70 int operator+(const S3 &arg1, const S3 &arg2) { return 5; } 71 S3 c; // expected-note 3 {{'c' defined here}} 72 const S3 ca[5]; // expected-note 2 {{'ca' defined here}} 73 extern const int f; // expected-note 4 {{'f' declared here}} 74 class S4 { 75 int a; 76 S4(); // expected-note {{implicitly declared private here}} 77 S4(const S4 &s4); 78 S4 &operator+(const S4 &arg) { return (*this); } 79 80 public: 81 S4(int v) : a(v) {} 82 }; 83 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; } 84 class S5 { 85 int a:32; 86 S5() : a(0) {} // expected-note {{implicitly declared private here}} 87 S5(const S5 &s5) : a(s5.a) {} 88 S5 &operator+(const S5 &arg); 89 90 public: 91 S5(int v) : a(v) {} 92 }; 93 class S6 { // expected-note 3 {{candidate function (the implicit copy assignment operator) not viable: no known conversion from 'int' to 'const S6' for 1st argument}} 94 #if __cplusplus >= 201103L // C++11 or later 95 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}} 96 #endif 97 int a; 98 99 public: 100 S6() : a(6) {} 101 operator int() { return 6; } 102 } o; 103 104 struct S7 { 105 int a: 32; 106 S7() { 107 #pragma omp parallel master taskloop reduction(+:a) // expected-error {{expected addressable reduction item for the task-based directives}} 108 for (int i = 0; i < 10; ++i) 109 ++a; 110 } 111 }; 112 113 S3 h, k; 114 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}} 115 116 template <class T> // expected-note {{declared here}} 117 T tmain(T argc) { 118 const T d = T(); // expected-note 4 {{'d' defined here}} 119 const T da[5] = {T()}; // expected-note 2 {{'da' defined here}} 120 T qa[5] = {T()}; 121 T i, z; 122 T &j = i; // expected-note 4 {{'j' defined here}} 123 S3 &p = k; // expected-note 2 {{'p' defined here}} 124 const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}} 125 T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}} 126 T fl; 127 #pragma omp parallel master taskloop reduction // expected-error {{expected '(' after 'reduction'}} 128 for (int i = 0; i < 10; ++i) 129 foo(); 130 #pragma omp parallel master taskloop reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel master taskloop' are ignored}} 131 for (int i = 0; i < 10; ++i) 132 foo(); 133 #pragma omp parallel master taskloop reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}} 134 for (int i = 0; i < 10; ++i) 135 foo(); 136 #pragma omp parallel master taskloop reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 137 for (int i = 0; i < 10; ++i) 138 foo(); 139 #pragma omp parallel master taskloop reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} 140 for (int i = 0; i < 10; ++i) 141 foo(); 142 #pragma omp parallel master taskloop reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} 143 for (int i = 0; i < 10; ++i) 144 foo(); 145 #pragma omp parallel master taskloop reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} 146 for (int i = 0; i < 10; ++i) 147 foo(); 148 #pragma omp parallel master taskloop reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}} 149 for (int i = 0; i < 10; ++i) 150 foo(); 151 #pragma omp parallel master taskloop reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}} 152 for (int i = 0; i < 10; ++i) 153 foo(); 154 #pragma omp parallel master taskloop reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}} 155 for (int i = 0; i < 10; ++i) 156 foo(); 157 #pragma omp parallel master taskloop reduction(foo : argc) //expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} 158 for (int i = 0; i < 10; ++i) 159 foo(); 160 #pragma omp parallel master taskloop reduction(&& : argc) 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 '('}} 161 for (int i = 0; i < 10; ++i) 162 foo(); 163 #pragma omp parallel master taskloop reduction(^ : T) // expected-error {{'T' does not refer to a value}} 164 for (int i = 0; i < 10; ++i) 165 foo(); 166 #pragma omp parallel master taskloop reduction(+ : z, a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 3 {{const-qualified variable cannot be reduction}} expected-error 2 {{'operator+' is a private member of 'S2'}} 167 for (int i = 0; i < 10; ++i) 168 foo(); 169 #pragma omp parallel master taskloop reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 4 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified variable cannot be reduction}} 170 for (int i = 0; i < 10; ++i) 171 foo(); 172 #pragma omp parallel master taskloop reduction(max : h.b) // expected-error {{expected variable name, array element or array section}} 173 for (int i = 0; i < 10; ++i) 174 foo(); 175 #pragma omp parallel master taskloop reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}} 176 for (int i = 0; i < 10; ++i) 177 foo(); 178 #pragma omp parallel master taskloop reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}} 179 for (int i = 0; i < 10; ++i) 180 foo(); 181 #pragma omp parallel master taskloop reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} expected-error {{const-qualified variable cannot be reduction}} 182 for (int i = 0; i < 10; ++i) 183 foo(); 184 #pragma omp parallel master taskloop reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}} 185 for (int i = 0; i < 10; ++i) 186 foo(); 187 #pragma omp parallel master taskloop reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}} 188 for (int i = 0; i < 10; ++i) 189 foo(); 190 #pragma omp parallel master taskloop reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}} 191 for (int i = 0; i < 10; ++i) 192 foo(); 193 #pragma omp parallel master taskloop reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}} 194 for (int i = 0; i < 10; ++i) 195 foo(); 196 #pragma omp parallel master taskloop reduction(+ : o) // expected-error 2 {{no viable overloaded '='}} 197 for (int i = 0; i < 10; ++i) 198 foo(); 199 #pragma omp parallel master taskloop private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 200 for (int i = 0; i < 10; ++i) 201 foo(); 202 #pragma omp parallel private(k) 203 #pragma omp parallel master taskloop reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 204 for (int i = 0; i < 10; ++i) 205 foo(); 206 #pragma omp parallel master taskloop reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}} 207 for (int i = 0; i < 10; ++i) 208 foo(); 209 #pragma omp parallel master taskloop reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}} 210 for (int i = 0; i < 10; ++i) 211 foo(); 212 #pragma omp parallel shared(i) 213 #pragma omp parallel reduction(min : i) 214 #pragma omp parallel master taskloop reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 215 for (int i = 0; i < 10; ++i) 216 foo(); 217 #pragma omp parallel private(fl) 218 #pragma omp parallel master taskloop reduction(+ : fl) allocate(omp_thread_mem_alloc: fl) // expected-warning 2 {{allocator with the 'thread' trait access has unspecified behavior on 'parallel master taskloop' directive}} 219 for (int i = 0; i < 10; ++i) 220 foo(); 221 #pragma omp parallel reduction(* : fl) 222 #pragma omp parallel master taskloop reduction(+ : fl) 223 for (int i = 0; i < 10; ++i) 224 foo(); 225 226 return T(); 227 } 228 229 namespace A { 230 double x; 231 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}} 232 } 233 namespace B { 234 using A::x; 235 } 236 237 int main(int argc, char **argv) { 238 const int d = 5; // expected-note 2 {{'d' defined here}} 239 const int da[5] = {0}; // expected-note {{'da' defined here}} 240 int qa[5] = {0}; 241 S4 e(4); 242 S5 g(5); 243 int i, z; 244 int &j = i; // expected-note 2 {{'j' defined here}} 245 S3 &p = k; // expected-note 2 {{'p' defined here}} 246 const int &r = da[i]; // expected-note {{'r' defined here}} 247 int &q = qa[i]; // expected-note {{'q' defined here}} 248 float fl; 249 #pragma omp parallel master taskloop reduction // expected-error {{expected '(' after 'reduction'}} 250 for (int i = 0; i < 10; ++i) 251 foo(); 252 #pragma omp parallel master taskloop reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel master taskloop' are ignored}} 253 for (int i = 0; i < 10; ++i) 254 foo(); 255 #pragma omp parallel master taskloop reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}} 256 for (int i = 0; i < 10; ++i) 257 foo(); 258 #pragma omp parallel master taskloop reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 259 for (int i = 0; i < 10; ++i) 260 foo(); 261 #pragma omp parallel master taskloop reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} 262 for (int i = 0; i < 10; ++i) 263 foo(); 264 #pragma omp parallel master taskloop reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} 265 for (int i = 0; i < 10; ++i) 266 foo(); 267 #pragma omp parallel master taskloop reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} 268 for (int i = 0; i < 10; ++i) 269 foo(); 270 #pragma omp parallel master taskloop reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} 271 for (int i = 0; i < 10; ++i) 272 foo(); 273 #pragma omp parallel master taskloop reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 274 for (int i = 0; i < 10; ++i) 275 foo(); 276 #pragma omp parallel master taskloop reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}} 277 for (int i = 0; i < 10; ++i) 278 foo(); 279 #pragma omp parallel master taskloop reduction(~ : argc) // expected-error {{expected unqualified-id}} 280 for (int i = 0; i < 10; ++i) 281 foo(); 282 #pragma omp parallel master taskloop reduction(&& : argc, z) 283 for (int i = 0; i < 10; ++i) 284 foo(); 285 #pragma omp parallel master taskloop reduction(^ : S1) // expected-error {{'S1' does not refer to a value}} 286 for (int i = 0; i < 10; ++i) 287 foo(); 288 #pragma omp parallel master taskloop reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{const-qualified variable cannot be reduction}} expected-error {{'operator+' is a private member of 'S2'}} 289 for (int i = 0; i < 10; ++i) 290 foo(); 291 #pragma omp parallel master taskloop reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 2 {{const-qualified variable cannot be reduction}} 292 for (int i = 0; i < 10; ++i) 293 foo(); 294 #pragma omp parallel master taskloop reduction(max : h.b) // expected-error {{expected variable name, array element or array section}} 295 for (int i = 0; i < 10; ++i) 296 foo(); 297 #pragma omp parallel master taskloop reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}} 298 for (int i = 0; i < 10; ++i) 299 foo(); 300 #pragma omp parallel master taskloop reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}} 301 for (int i = 0; i < 10; ++i) 302 foo(); 303 #pragma omp parallel master taskloop reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} 304 for (int i = 0; i < 10; ++i) 305 foo(); 306 #pragma omp parallel master taskloop reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}} 307 for (int i = 0; i < 10; ++i) 308 foo(); 309 #pragma omp parallel master taskloop reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}} 310 for (int i = 0; i < 10; ++i) 311 foo(); 312 #pragma omp parallel master taskloop reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}} 313 for (int i = 0; i < 10; ++i) 314 foo(); 315 #pragma omp parallel master taskloop reduction(& : e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}} expected-error {{invalid operands to binary expression ('S5' and 'S5')}} 316 for (int i = 0; i < 10; ++i) 317 foo(); 318 #pragma omp parallel master taskloop reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}} 319 for (int i = 0; i < 10; ++i) 320 foo(); 321 #pragma omp parallel master taskloop reduction(+ : o) // expected-error {{no viable overloaded '='}} 322 for (int i = 0; i < 10; ++i) 323 foo(); 324 #pragma omp parallel master taskloop private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 325 for (int i = 0; i < 10; ++i) 326 foo(); 327 #pragma omp parallel private(k) 328 #pragma omp parallel master taskloop reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 329 for (int i = 0; i < 10; ++i) 330 foo(); 331 #pragma omp parallel master taskloop reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}} 332 for (int i = 0; i < 10; ++i) 333 foo(); 334 #pragma omp parallel master taskloop reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}} 335 for (int i = 0; i < 10; ++i) 336 foo(); 337 #pragma omp parallel shared(i) 338 #pragma omp parallel reduction(min : i) 339 #pragma omp parallel master taskloop reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 340 for (int i = 0; i < 10; ++i) 341 foo(); 342 #pragma omp parallel private(fl) 343 #pragma omp parallel master taskloop reduction(+ : fl) 344 for (int i = 0; i < 10; ++i) 345 foo(); 346 #pragma omp parallel reduction(* : fl) 347 #pragma omp parallel master taskloop reduction(+ : fl) 348 for (int i = 0; i < 10; ++i) 349 foo(); 350 static int m; 351 #pragma omp parallel master taskloop reduction(+ : m) // OK 352 for (int i = 0; i < 10; ++i) 353 m++; 354 #pragma omp parallel master taskloop reduction(task, + : m) // omp45-error 2 {{expected expression}} omp45-warning {{missing ':' after reduction identifier - ignoring}} 355 for (int i = 0; i < 10; ++i) 356 m++; 357 #pragma omp parallel master taskloop nogroup reduction(+ : m) // expected-error {{'reduction' clause cannot be used with 'nogroup' clause}} 358 for (int i = 0; i < 10; ++i) 359 m++; 360 361 return tmain(argc) + tmain(fl); // expected-note {{in instantiation of function template specialization 'tmain<int>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<float>' requested here}} 362 } 363