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