clang/test/OpenMP/teams_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 -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 -Wuninitialized
   6
   7 extern int omp_default_mem_alloc;
   8 void xxx(int argc) {
   9   int i, sz; // expected-note {{initialize the variable 'sz' to silence this warning}}
  10 #pragma omp target
  11 #pragma omp teams distribute simd linear(i : sz) // expected-warning {{variable 'sz' is uninitialized when used here}}
  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@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  35 #pragma omp target
  36 #pragma omp teams distribute simd linear(B:bfoo())
  37   for (int i = 0; i < 10; ++i) ;
  38
  39 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  40 #pragma omp target
  41 #pragma omp teams distribute simd linear(B::ib:B:bfoo()) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'}}
  42   for (int i = 0; i < 10; ++i) ;
  43
  44 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  45 #pragma omp target
  46 #pragma omp teams distribute simd linear(B:ib) // expected-error {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
  47   for (int i = 0; i < 10; ++i) ;
  48
  49 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  50 #pragma omp target
  51 #pragma omp teams distribute simd linear(z:B:ib) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'?}}
  52   for (int i = 0; i < 10; ++i) ;
  53
  54 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  55 #pragma omp target
  56 #pragma omp teams distribute simd linear(B:B::bfoo())
  57   for (int i = 0; i < 10; ++i) ;
  58
  59 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  60 #pragma omp target
  61 #pragma omp teams distribute simd linear(X::x : ::z)
  62   for (int i = 0; i < 10; ++i) ;
  63
  64 // expected-error@+2 3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  65 #pragma omp target
  66 #pragma omp teams distribute simd linear(B,::z, X::x)
  67   for (int i = 0; i < 10; ++i) ;
  68
  69 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  70 #pragma omp target
  71 #pragma omp teams distribute simd linear(::z)
  72   for (int i = 0; i < 10; ++i) ;
  73
  74 #pragma omp target
  75 #pragma omp teams distribute simd linear(B::bfoo()) // expected-error {{expected variable name}}
  76   for (int i = 0; i < 10; ++i) ;
  77
  78 // expected-error@+2 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  79 #pragma omp target
  80 #pragma omp teams distribute simd linear(B::ib,B:C1+C2)
  81   for (int i = 0; i < 10; ++i) ;
  82 }
  83
  84 template<int L, class T, class N> T test_template(T* arr, N num) {
  85   N i;
  86   T sum = (T)0;
  87   T ind2 = - num * L; // expected-note {{'ind2' defined here}}
  88
  89 #pragma omp target
  90 #pragma omp teams distribute simd linear(ind2:L) // expected-error {{argument of a linear clause should be of integral or pointer type}}
  91   for (i = 0; i < num; ++i) {
  92     T cur = arr[(int)ind2];
  93     ind2 += L;
  94     sum += cur;
  95   }
  96   return T();
  97 }
  98
  99 template<int LEN> int test_warn() {
 100   int ind2 = 0;
 101 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 102   #pragma omp target
 103   #pragma omp teams distribute simd linear(ind2:LEN) // expected-warning {{zero linear step (ind2 should probably be const)}}
 104   for (int i = 0; i < 100; i++) {
 105     ind2 += LEN;
 106   }
 107   return ind2;
 108 }
 109
 110 struct S1; // expected-note 2 {{declared here}} expected-note 3 {{forward declaration of 'S1'}}
 111 extern S1 a;
 112 class S2 {
 113   mutable int a;
 114 public:
 115   S2():a(0) { }
 116 };
 117 const S2 b; // expected-note 2 {{'b' defined here}}
 118 const S2 ba[5];
 119 class S3 {
 120   int a;
 121 public:
 122   S3():a(0) { }
 123 };
 124 const S3 ca[5];
 125 class S4 {
 126   int a;
 127   S4();
 128 public:
 129   S4(int v):a(v) { }
 130 };
 131 class S5 {
 132   int a;
 133   S5():a(0) {}
 134 public:
 135   S5(int v):a(v) { }
 136 };
 137
 138 S3 h;
 139 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
 140
 141 template<class I, class C> int foomain(I argc, C **argv) {
 142   I e(4);
 143   I g(5);
 144   int i;
 145   int &j = i;
 146
 147 #pragma omp target
 148 #pragma omp teams distribute simd linear // expected-error {{expected '(' after 'linear'}}
 149   for (int k = 0; k < argc; ++k) ++k;
 150
 151 #pragma omp target
 152 #pragma omp teams distribute simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 153   for (int k = 0; k < argc; ++k) ++k;
 154
 155 #pragma omp target
 156 #pragma omp teams distribute simd linear () // expected-error {{expected expression}}
 157   for (int k = 0; k < argc; ++k) ++k;
 158
 159 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 160 #pragma omp target
 161 #pragma omp teams distribute simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 162   for (int k = 0; k < argc; ++k) ++k;
 163
 164 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 165 #pragma omp target
 166 #pragma omp teams distribute simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 167   for (int k = 0; k < argc; ++k) ++k;
 168
 169 #pragma omp target
 170 #pragma omp teams distribute simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 171   for (int k = 0; k < argc; ++k) ++k;
 172
 173 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 174 #pragma omp target
 175 #pragma omp teams distribute simd 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 '('}}
 176   for (int k = 0; k < argc; ++k) ++k;
 177
 178 #pragma omp target
 179 #pragma omp teams distribute simd linear (S1) // expected-error {{'S1' does not refer to a value}}
 180   for (int k = 0; k < argc; ++k) ++k;
 181
 182 #pragma omp target
 183 #pragma omp teams 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'}}
 184   for (int k = 0; k < argc; ++k) ++k;
 185
 186 #pragma omp target
 187 #pragma omp teams distribute simd linear (argv[1]) // expected-error {{expected variable name}}
 188   for (int k = 0; k < argc; ++k) ++k;
 189
 190 // expected-error@+2 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 191 #pragma omp target
 192 #pragma omp teams distribute simd linear(e, g)
 193   for (int k = 0; k < argc; ++k) ++k;
 194
 195 #pragma omp target
 196 #pragma omp teams distribute simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
 197   for (int k = 0; k < argc; ++k) ++k;
 198
 199 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 200 #pragma omp target
 201 #pragma omp teams distribute simd linear(i)
 202   for (int k = 0; k < argc; ++k) ++k;
 203
 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;
 225   int &j = i;
 226
 227 #pragma omp target
 228 #pragma omp teams distribute simd linear // expected-error {{expected '(' after 'linear'}}
 229   for (int k = 0; k < argc; ++k) ++k;
 230
 231 #pragma omp target
 232 #pragma omp teams distribute simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 233   for (int k = 0; k < argc; ++k) ++k;
 234
 235 #pragma omp target
 236 #pragma omp teams distribute simd linear () // expected-error {{expected expression}}
 237   for (int k = 0; k < argc; ++k) ++k;
 238
 239 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 240 #pragma omp target
 241 #pragma omp teams distribute simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 242   for (int k = 0; k < argc; ++k) ++k;
 243
 244 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 245 #pragma omp target
 246 #pragma omp teams distribute simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 247   for (int k = 0; k < argc; ++k) ++k;
 248
 249 #pragma omp target
 250 #pragma omp teams distribute simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 251   for (int k = 0; k < argc; ++k) ++k;
 252
 253 // expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 254 #pragma omp target
 255 #pragma omp teams distribute simd linear (argc)
 256   for (int k = 0; k < argc; ++k) ++k;
 257
 258 #pragma omp target
 259 #pragma omp teams distribute simd linear (S1) // expected-error {{'S1' does not refer to a value}}
 260   for (int k = 0; k < argc; ++k) ++k;
 261
 262
 263 #pragma omp target
 264 #pragma omp teams distribute simd linear (a, b) // expected-error {{incomplete type 'S1' where a complete type is required}} expected-error {{linear variable with incomplete type 'S1'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
 265   for (int k = 0; k < argc; ++k) ++k;
 266
 267 #pragma omp target
 268 #pragma omp teams distribute simd linear (argv[1]) // expected-error {{expected variable name}}
 269   for (int k = 0; k < argc; ++k) ++k;
 270
 271 #pragma omp target
 272 #pragma omp teams 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'}}
 273   for (int k = 0; k < argc; ++k) ++k;
 274
 275 #pragma omp target
 276 #pragma omp teams distribute simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
 277   for (int k = 0; k < argc; ++k) ++k;
 278
 279   foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
 280   return 0;
 281 }
 282