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_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 target parallel 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 target parallel reduction(+:ref) 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; 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 S3 h, k; 104 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}} 105 106 template <class T> // expected-note {{declared here}} 107 T tmain(T argc) { 108 const T d = T(); // expected-note 4 {{'d' defined here}} 109 const T da[5] = {T()}; // expected-note 2 {{'da' defined here}} 110 T qa[5] = {T()}; 111 T i, z; 112 T &j = i; // expected-note 4 {{'j' defined here}} 113 S3 &p = k; // expected-note 2 {{'p' defined here}} 114 const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}} 115 T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}} 116 T fl; 117 #pragma omp target parallel reduction // expected-error {{expected '(' after 'reduction'}} 118 foo(); 119 #pragma omp target parallel reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}} 120 foo(); 121 #pragma omp target parallel reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}} 122 foo(); 123 #pragma omp target parallel reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 124 foo(); 125 #pragma omp target parallel reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} 126 foo(); 127 #pragma omp target parallel reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} 128 foo(); 129 #pragma omp target parallel reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} 130 foo(); 131 #pragma omp target parallel reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}} 132 foo(); 133 #pragma omp target parallel reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}} 134 foo(); 135 #pragma omp target parallel reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}} 136 foo(); 137 #pragma omp target parallel 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'}} 138 foo(); 139 #pragma omp target parallel 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 '('}} 140 foo(); 141 #pragma omp target parallel reduction(^ : T) // expected-error {{'T' does not refer to a value}} 142 foo(); 143 #pragma omp target parallel 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'}} 144 foo(); 145 #pragma omp target parallel 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}} 146 foo(); 147 #pragma omp target parallel reduction(max : h.b) // expected-error {{expected variable name, array element or array section}} 148 foo(); 149 #pragma omp target parallel reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}} 150 foo(); 151 #pragma omp target parallel reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}} 152 foo(); 153 #pragma omp target parallel reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} expected-error {{const-qualified variable cannot be reduction}} 154 foo(); 155 #pragma omp target parallel reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}} 156 foo(); 157 #pragma omp target parallel reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}} 158 foo(); 159 #pragma omp target parallel reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}} 160 foo(); 161 #pragma omp target parallel reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}} 162 foo(); 163 #pragma omp target parallel reduction(+ : o) // expected-error 2 {{no viable overloaded '='}} 164 foo(); 165 #pragma omp target parallel private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 166 foo(); 167 #pragma omp parallel private(k) 168 #pragma omp target parallel reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 169 foo(); 170 #pragma omp target parallel reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}} 171 foo(); 172 #pragma omp target parallel reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}} 173 foo(); 174 #pragma omp target parallel shared(i) 175 foo(); 176 #pragma omp parallel reduction(min : i) 177 #pragma omp target parallel reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 178 foo(); 179 #pragma omp target parallel 180 #pragma omp for private(fl) 181 for (int i = 0; i < 10; ++i) 182 {} 183 #pragma omp target parallel reduction(+ : fl) allocate(omp_thread_mem_alloc: fl) uses_allocators(omp_thread_mem_alloc) // expected-warning 2 {{allocator with the 'thread' trait access has unspecified behavior on 'target parallel' directive}} omp45-error {{unexpected OpenMP clause 'uses_allocators' in directive '#pragma omp target parallel'}} 184 foo(); 185 #pragma omp target parallel 186 #pragma omp for reduction(- : fl) 187 for (int i = 0; i < 10; ++i) 188 {} 189 #pragma omp target parallel reduction(+ : fl) 190 foo(); 191 192 return T(); 193 } 194 195 namespace A { 196 double x; 197 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}} 198 } 199 namespace B { 200 using A::x; 201 } 202 203 int main(int argc, char **argv) { 204 const int d = 5; // expected-note 2 {{'d' defined here}} 205 const int da[5] = {0}; // expected-note {{'da' defined here}} 206 int qa[5] = {0}; 207 S4 e(4); 208 S5 g(5); 209 int i, z; 210 int &j = i; // expected-note 2 {{'j' defined here}} 211 S3 &p = k; // expected-note 2 {{'p' defined here}} 212 const int &r = da[i]; // expected-note {{'r' defined here}} 213 int &q = qa[i]; // expected-note {{'q' defined here}} 214 float fl; 215 #pragma omp target parallel reduction // expected-error {{expected '(' after 'reduction'}} 216 foo(); 217 #pragma omp target parallel reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}} 218 foo(); 219 #pragma omp target parallel reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}} 220 foo(); 221 #pragma omp target parallel reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 222 foo(); 223 #pragma omp target parallel reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} 224 foo(); 225 #pragma omp target parallel reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} 226 foo(); 227 #pragma omp target parallel reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} 228 foo(); 229 #pragma omp target parallel reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} 230 foo(); 231 #pragma omp target parallel reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 232 foo(); 233 #pragma omp target parallel reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}} 234 foo(); 235 #pragma omp target parallel reduction(~ : argc) // expected-error {{expected unqualified-id}} 236 foo(); 237 #pragma omp target parallel reduction(&& : argc, z) 238 foo(); 239 #pragma omp target parallel reduction(^ : S1) // expected-error {{'S1' does not refer to a value}} 240 foo(); 241 #pragma omp target parallel 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'}} 242 foo(); 243 #pragma omp target parallel 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}} 244 foo(); 245 #pragma omp target parallel reduction(max : h.b) // expected-error {{expected variable name, array element or array section}} 246 foo(); 247 #pragma omp target parallel reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}} 248 foo(); 249 #pragma omp target parallel reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}} 250 foo(); 251 #pragma omp target parallel reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} 252 foo(); 253 #pragma omp target parallel reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}} 254 foo(); 255 #pragma omp target parallel reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}} 256 foo(); 257 #pragma omp target parallel reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}} 258 foo(); 259 #pragma omp target parallel 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')}} 260 foo(); 261 #pragma omp target parallel reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}} 262 foo(); 263 #pragma omp target parallel reduction(+ : o) // expected-error {{no viable overloaded '='}} 264 foo(); 265 #pragma omp target parallel private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 266 foo(); 267 #pragma omp parallel private(k) 268 #pragma omp target parallel reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 269 foo(); 270 #pragma omp target parallel reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}} 271 foo(); 272 #pragma omp target parallel reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}} 273 foo(); 274 #pragma omp target parallel shared(i) 275 foo(); 276 #pragma omp parallel reduction(min : i) 277 #pragma omp target parallel reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}} 278 foo(); 279 #pragma omp target parallel 280 #pragma omp for private(fl) 281 for (int i = 0; i < 10; ++i) 282 {} 283 #pragma omp target parallel reduction(+ : fl) 284 foo(); 285 #pragma omp target parallel 286 #pragma omp for reduction(- : fl) 287 for (int i = 0; i < 10; ++i) 288 {} 289 #pragma omp target parallel reduction(+ : fl) 290 foo(); 291 static int m; 292 #pragma omp target parallel reduction(+ : m) // OK 293 m++; 294 #pragma omp target parallel reduction(task, + : m) // omp45-error 2 {{expected expression}} omp45-warning {{missing ':' after reduction identifier - ignoring}} 295 m++; 296 297 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}} 298 } 299