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