clang/test/OpenMP/distribute_simd_linear_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
   2 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -DOMP52 %s -Wno-openmp-mapping -Wuninitialized
   3
   4 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
   5 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -DOMP52 %s -Wno-openmp-mapping -Wuninitialized
   6
   7 extern int omp_default_mem_alloc;
   8
   9 void xxx(int argc) {
  10   int i;
  11 #pragma omp distribute simd linear(i)
  12   for (i = 0; i < 10; ++i)
  13     ;
  14 }
  15
  16 namespace X {
  17   int x;
  18 };
  19
  20 struct B {
  21   static int ib; // expected-note {{'B::ib' declared here}}
  22   static int bfoo() { return 8; }
  23 };
  24
  25 int bfoo() { return 4; }
  26
  27 int z;
  28 const int C1 = 1;
  29 const int C2 = 2;
  30 void test_linear_colons()
  31 {
  32   int B = 0;
  33
  34 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  35 #pragma omp target
  36 #pragma omp teams
  37 #pragma omp distribute simd linear(B:bfoo())
  38   for (int i = 0; i < 10; ++i) ;
  39
  40 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  41 #pragma omp target
  42 #pragma omp teams
  43 #pragma omp distribute simd linear(B::ib:B:bfoo()) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'}}
  44   for (int i = 0; i < 10; ++i) ;
  45
  46 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  47 #pragma omp target
  48 #pragma omp teams
  49 #pragma omp distribute simd linear(B:ib) // expected-error {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
  50   for (int i = 0; i < 10; ++i) ;
  51
  52 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  53 #pragma omp target
  54 #pragma omp teams
  55 #pragma omp distribute simd linear(z:B:ib) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'?}}
  56   for (int i = 0; i < 10; ++i) ;
  57
  58 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  59 #pragma omp target
  60 #pragma omp teams
  61 #pragma omp distribute simd linear(B:B::bfoo())
  62   for (int i = 0; i < 10; ++i) ;
  63
  64 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  65 #pragma omp target
  66 #pragma omp teams
  67 #pragma omp distribute simd linear(X::x : ::z)
  68   for (int i = 0; i < 10; ++i) ;
  69
  70 // expected-error@+3 3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  71 #pragma omp target
  72 #pragma omp teams
  73 #pragma omp distribute simd linear(B,::z, X::x)
  74   for (int i = 0; i < 10; ++i) ;
  75
  76 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  77 #pragma omp target
  78 #pragma omp teams
  79 #pragma omp distribute simd linear(::z)
  80   for (int i = 0; i < 10; ++i) ;
  81
  82 #pragma omp target
  83 #pragma omp teams
  84 #pragma omp distribute simd linear(B::bfoo()) // expected-error {{expected variable name}}
  85   for (int i = 0; i < 10; ++i) ;
  86
  87 // expected-error@+3 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  88 #pragma omp target
  89 #pragma omp teams
  90 #pragma omp distribute simd linear(B::ib,B:C1+C2)
  91   for (int i = 0; i < 10; ++i) ;
  92 }
  93
  94 template<int L, class T, class N> T test_template(T* arr, N num) {
  95   N i;
  96   T sum = (T)0;
  97   T ind2 = - num * L; // expected-note {{'ind2' defined here}}
  98
  99 #pragma omp target
 100 #pragma omp teams
 101 #pragma omp distribute simd linear(ind2:L) // expected-error {{argument of a linear clause should be of integral or pointer type}}
 102   for (i = 0; i < num; ++i) {
 103     T cur = arr[(int)ind2];
 104     ind2 += L;
 105     sum += cur;
 106   }
 107   return T();
 108 }
 109
 110 template<int LEN> int test_warn() {
 111   int ind2 = 0;
 112   #pragma omp target
 113   #pragma omp teams
 114   #pragma omp parallel for simd linear(ind2:LEN) // expected-warning {{zero linear step (ind2 should probably be const)}}
 115   for (int i = 0; i < 100; i++) {
 116     ind2 += LEN;
 117   }
 118   return ind2;
 119 }
 120
 121 struct S1; // expected-note 2 {{declared here}} expected-note 3 {{forward declaration of 'S1'}}
 122 extern S1 a;
 123 class S2 {
 124   mutable int a;
 125 public:
 126   S2():a(0) { }
 127 };
 128 const S2 b; // expected-note 2 {{'b' defined here}}
 129 const S2 ba[5];
 130 class S3 {
 131   int a;
 132 public:
 133   S3():a(0) { }
 134 };
 135 const S3 ca[5];
 136 class S4 {
 137   int a;
 138   S4();
 139 public:
 140   S4(int v):a(v) { }
 141 };
 142 class S5 {
 143   int a;
 144   S5():a(0) {}
 145 public:
 146   S5(int v):a(v) { }
 147 };
 148
 149 S3 h;
 150 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
 151
 152 template<class I, class C> int foomain(I argc, C **argv) {
 153   I e(4);
 154   I g(5);
 155   int i;
 156   int &j = i;
 157
 158 #pragma omp target
 159 #pragma omp teams
 160 #pragma omp distribute simd linear // expected-error {{expected '(' after 'linear'}}
 161   for (int k = 0; k < argc; ++k) ++k;
 162
 163 #pragma omp target
 164 #pragma omp teams
 165 #pragma omp distribute simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 166   for (int k = 0; k < argc; ++k) ++k;
 167
 168 #pragma omp target
 169 #pragma omp teams
 170 #pragma omp distribute simd linear () // expected-error {{expected expression}}
 171   for (int k = 0; k < argc; ++k) ++k;
 172
 173 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 174 #pragma omp target
 175 #pragma omp teams
 176 #pragma omp distribute simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 177   for (int k = 0; k < argc; ++k) ++k;
 178
 179 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 180 #pragma omp target
 181 #pragma omp teams
 182 #pragma omp distribute simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 183   for (int k = 0; k < argc; ++k) ++k;
 184
 185 #pragma omp target
 186 #pragma omp teams
 187 #pragma omp distribute simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 188   for (int k = 0; k < argc; ++k) ++k;
 189
 190 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 191 #pragma omp target
 192 #pragma omp teams
 193 #pragma omp distribute simd linear (argc : 5)
 194   for (int k = 0; k < argc; ++k) ++k;
 195
 196 #pragma omp target
 197 #pragma omp teams
 198 #pragma omp distribute simd linear (S1) // expected-error {{'S1' does not refer to a value}}
 199   for (int k = 0; k < argc; ++k) ++k;
 200
 201 #pragma omp target
 202 #pragma omp teams
 203 #pragma omp distribute simd linear (a, b:B::ib) // expected-error {{linear variable with incomplete type 'S1'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
 204   for (int k = 0; k < argc; ++k) ++k;
 205
 206 #pragma omp target
 207 #pragma omp teams
 208 #pragma omp distribute simd linear (argv[1]) // expected-error {{expected variable name}}
 209   for (int k = 0; k < argc; ++k) ++k;
 210
 211 // expected-error@+3 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 212 #pragma omp target
 213 #pragma omp teams
 214 #pragma omp distribute simd linear(e, g)
 215   for (int k = 0; k < argc; ++k) ++k;
 216
 217 #pragma omp target
 218 #pragma omp teams
 219 #pragma omp distribute simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
 220   for (int k = 0; k < argc; ++k) ++k;
 221
 222 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 223 #pragma omp target
 224 #pragma omp teams
 225 #pragma omp distribute simd linear(i)
 226   for (int k = 0; k < argc; ++k) ++k;
 227
 228   return 0;
 229 }
 230
 231 namespace A {
 232 double x;
 233 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
 234 }
 235 namespace C {
 236 using A::x;
 237 }
 238
 239 int main(int argc, char **argv) {
 240   double darr[100];
 241   // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
 242   test_template<-4>(darr, 4);
 243   // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
 244   test_warn<0>();
 245
 246   S4 e(4); // expected-note {{'e' defined here}}
 247   S5 g(5); // expected-note {{'g' defined here}}
 248   int i;
 249   int &j = i;
 250
 251 #pragma omp target
 252 #pragma omp teams
 253 #pragma omp distribute simd linear // expected-error {{expected '(' after 'linear'}}
 254   for (int k = 0; k < argc; ++k) ++k;
 255
 256 #pragma omp target
 257 #pragma omp teams
 258 #pragma omp distribute simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 259   for (int k = 0; k < argc; ++k) ++k;
 260
 261 #pragma omp target
 262 #pragma omp teams
 263 #pragma omp distribute simd linear () // expected-error {{expected expression}}
 264   for (int k = 0; k < argc; ++k) ++k;
 265
 266 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 267 #pragma omp target
 268 #pragma omp teams
 269 #pragma omp distribute simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 270   for (int k = 0; k < argc; ++k) ++k;
 271
 272 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 273 #pragma omp target
 274 #pragma omp teams
 275 #pragma omp distribute simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 276   for (int k = 0; k < argc; ++k) ++k;
 277
 278 #pragma omp target
 279 #pragma omp teams
 280 #pragma omp distribute simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 281   for (int k = 0; k < argc; ++k) ++k;
 282
 283 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 284 #pragma omp target
 285 #pragma omp teams
 286 #pragma omp distribute simd linear (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 '('}}
 287   for (int k = 0; k < argc; ++k) ++k;
 288
 289 #pragma omp target
 290 #pragma omp teams
 291 #pragma omp distribute simd linear (S1) // expected-error {{'S1' does not refer to a value}}
 292   for (int k = 0; k < argc; ++k) ++k;
 293
 294
 295 #pragma omp target
 296 #pragma omp teams
 297 #pragma omp distribute simd linear (a, b) // expected-error {{linear variable with incomplete type 'S1'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S2'}} expected-error {{incomplete type 'S1' where a complete type is required}}
 298   for (int k = 0; k < argc; ++k) ++k;
 299
 300 #pragma omp target
 301 #pragma omp teams
 302 #pragma omp distribute simd linear (argv[1]) // expected-error {{expected variable name}}
 303   for (int k = 0; k < argc; ++k) ++k;
 304
 305 #pragma omp target
 306 #pragma omp teams
 307 #pragma omp distribute simd linear(e, g) // expected-error {{argument of a linear clause should be of integral or pointer type, not 'S4'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S5'}}
 308   for (int k = 0; k < argc; ++k) ++k;
 309
 310 #pragma omp target
 311 #pragma omp teams
 312 #pragma omp distribute simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
 313   for (int k = 0; k < argc; ++k) ++k;
 314
 315   #pragma omp parallel
 316   {
 317     int k;
 318     #pragma omp target
 319     #pragma omp teams
 320     #pragma omp distribute simd linear(k)
 321       for (k = 0; k < argc; ++k) ++k;
 322
 323     #pragma omp target
 324     #pragma omp teams
 325     #pragma omp distribute simd linear(k : 4)
 326       for (k = 0; k < argc; k+=4) { }
 327
 328 #ifdef OMP52
 329     #pragma omp target
 330     #pragma omp teams
 331     #pragma omp distribute simd linear(k: step() //omp52-error 2 {{expected expression}} omp52-error{{expected ')'}} omp52-note{{to match this '('}}
 332       for (k = 0; k < argc; ++k) ++k;
 333     #pragma omp target
 334     #pragma omp teams
 335     #pragma omp distribute simd linear(k: step(1), step(2)) // omp52-error {{multiple 'step size' found in linear clause}}
 336       for (k = 0; k < argc; ++k) ++k;
 337     #pragma omp target
 338     #pragma omp teams
 339     #pragma omp distribute simd linear(k: val, val) // omp52-error {{multiple 'linear modifier' found in linear clause}}
 340       for (k = 0; k < argc; ++k) ++k;
 341     #pragma omp target
 342     #pragma omp teams
 343     #pragma omp distribute simd linear(k: step()) // omp52-error 2 {{expected expression}}
 344       for (k = 0; k < argc; ++k) ++k;
 345     #pragma omp target
 346     #pragma omp teams
 347     #pragma omp distribute simd linear(k: pval) // omp52-error {{use of undeclared identifier 'pval'}}
 348       for (k = 0; k < argc; ++k) ++k;
 349     #pragma omp target
 350     #pragma omp teams
 351     #pragma omp distribute simd linear(i: val, step(2 // omp52-error {{expected ')' or ',' after 'step expression'}} omp52-error 2 {{expected ')'}}  omp52-note 2 {{to match this '('}}
 352       for (i = 0; i < argc; ++i) ++i;
 353 #endif
 354   }
 355
 356   foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
 357   return 0;
 358 }
 359