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