clang/test/OpenMP/target_parallel_for_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 #pragma omp requires dynamic_allocators
   8
   9 typedef void **omp_allocator_handle_t;
  10 extern const omp_allocator_handle_t omp_null_allocator;
  11 extern const omp_allocator_handle_t omp_default_mem_alloc;
  12 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
  13 extern const omp_allocator_handle_t omp_const_mem_alloc;
  14 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
  15 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
  16 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
  17 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
  18 extern const omp_allocator_handle_t omp_thread_mem_alloc;
  19
  20 void xxx(int argc) {
  21   int i, lin, step_sz; // expected-note {{initialize the variable 'lin' to silence this warning}} expected-note {{initialize the variable 'step_sz' to silence this warning}}
  22 #pragma omp target parallel for simd linear(i, lin : step_sz) // expected-warning {{variable 'lin' is uninitialized when used here}} expected-warning {{variable 'step_sz' is uninitialized when used here}}
  23   for (i = 0; i < 10; ++i)
  24     ;
  25 }
  26
  27 namespace X {
  28 int x;
  29 };
  30
  31 struct B {
  32   static int ib; // expected-note {{'B::ib' declared here}}
  33   static int bfoo() { return 8; }
  34 };
  35
  36 int bfoo() { return 4; }
  37
  38 int z;
  39 const int C1 = 1;
  40 const int C2 = 2;
  41 void test_linear_colons() {
  42   int B = 0;
  43 #pragma omp target parallel for simd linear(B : bfoo())
  44   for (int i = 0; i < 10; ++i)
  45     ;
  46 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}
  47 #pragma omp target parallel for simd linear(B::ib : B : bfoo())
  48   for (int i = 0; i < 10; ++i)
  49     ;
  50 // expected-error@+1 {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
  51 #pragma omp target parallel for simd linear(B : ib)
  52   for (int i = 0; i < 10; ++i)
  53     ;
  54 // expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}
  55 #pragma omp target parallel for simd linear(z : B : ib)
  56   for (int i = 0; i < 10; ++i)
  57     ;
  58 #pragma omp target parallel for simd linear(B : B::bfoo())
  59   for (int i = 0; i < 10; ++i)
  60     ;
  61 #pragma omp target parallel for simd linear(X::x : ::z)
  62   for (int i = 0; i < 10; ++i)
  63     ;
  64 #pragma omp target parallel for simd linear(B, ::z, X::x)
  65   for (int i = 0; i < 10; ++i)
  66     ;
  67 #pragma omp target parallel for simd linear(::z) allocate(omp_thread_mem_alloc: ::z) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'target parallel for simd' directive}}
  68   for (int i = 0; i < 10; ++i)
  69     ;
  70 // expected-error@+1 {{expected variable name}}
  71 #pragma omp target parallel for simd linear(B::bfoo())
  72   for (int i = 0; i < 10; ++i)
  73     ;
  74 #pragma omp target parallel for simd linear(B::ib, B : C1 + C2)
  75   for (int i = 0; i < 10; ++i)
  76     ;
  77 }
  78
  79 template <int L, class T, class N>
  80 T test_template(T *arr, N num) {
  81   N i;
  82   T sum = (T)0;
  83   T ind2 = -num * L; // expected-note {{'ind2' defined here}}
  84 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type}}
  85 #pragma omp target parallel for simd linear(ind2 : L)
  86   for (i = 0; i < num; ++i) {
  87     T cur = arr[(int)ind2];
  88     ind2 += L;
  89     sum += cur;
  90   }
  91   return T();
  92 }
  93
  94 template <int LEN>
  95 int test_warn() {
  96   int ind2 = 0;
  97 // expected-warning@+1 {{zero linear step (ind2 should probably be const)}}
  98 #pragma omp target parallel for simd linear(ind2 : LEN)
  99   for (int i = 0; i < 100; i++) {
 100     ind2 += LEN;
 101   }
 102   return ind2;
 103 }
 104
 105 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
 106 extern S1 a;
 107 class S2 {
 108   mutable int a;
 109
 110 public:
 111   S2() : a(0) {}
 112 };
 113 const S2 b; // expected-note 2 {{'b' defined here}}
 114 const S2 ba[5];
 115 class S3 {
 116   int a;
 117
 118 public:
 119   S3() : a(0) {}
 120 };
 121 const S3 ca[5];
 122 class S4 {
 123   int a;
 124   S4();
 125
 126 public:
 127   S4(int v) : a(v) {}
 128 };
 129 class S5 {
 130   int a;
 131   S5() : a(0) {}
 132
 133 public:
 134   S5(int v) : a(v) {}
 135 };
 136
 137 S3 h;
 138 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
 139
 140 template <class I, class C>
 141 int foomain(I argc, C **argv) {
 142   I e(4);
 143   I g(5);
 144   int i, z;
 145   int &j = i;
 146 #pragma omp target parallel for simd linear // expected-error {{expected '(' after 'linear'}}
 147   for (int k = 0; k < argc; ++k)
 148     ++k;
 149 #pragma omp target parallel for simd linear( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 150   for (int k = 0; k < argc; ++k)
 151     ++k;
 152 #pragma omp target parallel for simd linear() // expected-error {{expected expression}}
 153   for (int k = 0; k < argc; ++k)
 154     ++k;
 155 #pragma omp target parallel for simd linear(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 156   for (int k = 0; k < argc; ++k)
 157     ++k;
 158 #pragma omp target parallel for simd linear(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 159   for (int k = 0; k < argc; ++k)
 160     ++k;
 161 #pragma omp target parallel for simd linear(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 162   for (int k = 0; k < argc; ++k)
 163     ++k;
 164 #pragma omp target parallel for 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 '('}}
 165   for (int k = 0; k < argc; ++k)
 166     ++k;
 167 #pragma omp target parallel for simd linear(S1) // expected-error {{'S1' does not refer to a value}}
 168   for (int k = 0; k < argc; ++k)
 169     ++k;
 170 // expected-error@+2 {{linear variable with incomplete type 'S1'}}
 171 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
 172 #pragma omp target parallel for simd linear(a, b : B::ib)
 173   for (int k = 0; k < argc; ++k)
 174     ++k;
 175 #pragma omp target parallel for simd linear(argv[1]) // expected-error {{expected variable name}}
 176   for (int k = 0; k < argc; ++k)
 177     ++k;
 178 #pragma omp target parallel for simd linear(e, g, z)
 179   for (int k = 0; k < argc; ++k)
 180     ++k;
 181 #pragma omp target parallel for simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
 182   for (int k = 0; k < argc; ++k)
 183     ++k;
 184 #pragma omp target parallel for simd linear(i)
 185   for (int k = 0; k < argc; ++k)
 186     ++k;
 187 #pragma omp parallel
 188   {
 189     int v = 0;
 190     int i;
 191 #pragma omp target parallel for simd linear(v : i)
 192     for (int k = 0; k < argc; ++k) {
 193       i = k;
 194       v += i;
 195     }
 196   }
 197 #pragma omp target parallel for simd linear(j)
 198   for (int k = 0; k < argc; ++k)
 199     ++k;
 200   int v = 0;
 201 #pragma omp target parallel for simd linear(v : j)
 202   for (int k = 0; k < argc; ++k) {
 203     ++k;
 204     v += j;
 205   }
 206 #pragma omp target parallel for simd linear(i)
 207   for (int k = 0; k < argc; ++k)
 208     ++k;
 209   return 0;
 210 }
 211
 212 namespace A {
 213 double x;
 214 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
 215 }
 216 namespace C {
 217 using A::x;
 218 }
 219
 220 int main(int argc, char **argv) {
 221   double darr[100];
 222   // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
 223   test_template<-4>(darr, 4);
 224   // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
 225   test_warn<0>();
 226
 227   S4 e(4); // expected-note {{'e' defined here}}
 228   S5 g(5); // expected-note {{'g' defined here}}
 229   int i, z;
 230   int &j = i;
 231 #pragma omp target parallel for simd linear // expected-error {{expected '(' after 'linear'}}
 232   for (int k = 0; k < argc; ++k)
 233     ++k;
 234 #pragma omp target parallel for simd linear( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 235   for (int k = 0; k < argc; ++k)
 236     ++k;
 237 #pragma omp target parallel for simd linear() // expected-error {{expected expression}}
 238   for (int k = 0; k < argc; ++k)
 239     ++k;
 240 #pragma omp target parallel for simd linear(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 241   for (int k = 0; k < argc; ++k)
 242     ++k;
 243 #pragma omp target parallel for simd linear(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 244   for (int k = 0; k < argc; ++k)
 245     ++k;
 246 #pragma omp target parallel for simd linear(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 247   for (int k = 0; k < argc; ++k)
 248     ++k;
 249 #pragma omp target parallel for simd linear(argc, z)
 250   for (int k = 0; k < argc; ++k)
 251     ++k;
 252 #pragma omp target parallel for simd linear(S1) // expected-error {{'S1' does not refer to a value}}
 253   for (int k = 0; k < argc; ++k)
 254     ++k;
 255 // expected-error@+2 {{linear variable with incomplete type 'S1'}}
 256 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
 257 #pragma omp target parallel for simd linear(a, b)
 258   for (int k = 0; k < argc; ++k)
 259     ++k;
 260 #pragma omp target parallel for simd linear(argv[1]) // expected-error {{expected variable name}}
 261   for (int k = 0; k < argc; ++k)
 262     ++k;
 263 // expected-error@+2 {{argument of a linear clause should be of integral or pointer type, not 'S4'}}
 264 // expected-error@+1 {{argument of a linear clause should be of integral or pointer type, not 'S5'}}
 265 #pragma omp target parallel for simd linear(e, g)
 266   for (int k = 0; k < argc; ++k)
 267     ++k;
 268 #pragma omp target parallel for simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
 269   for (int k = 0; k < argc; ++k)
 270     ++k;
 271 #pragma omp parallel
 272   {
 273     int i;
 274 #pragma omp target parallel for simd linear(i)
 275     for (int k = 0; k < argc; ++k)
 276       ++k;
 277 #ifdef OMP52
 278 #pragma omp target parallel for simd linear(i : uval, step(4)) // expected-error {{variable of non-reference type 'int' can be used only with 'val' modifier, but used with 'uval'}}
 279 #else
 280 #pragma omp target parallel for simd linear(i : 4)
 281 #endif
 282     for (int k = 0; k < argc; ++k) {
 283       ++k;
 284       i += 4;
 285     }
 286   }
 287 #ifdef OMP52
 288 #pragma omp target parallel for simd linear(j: step() //omp52-error 2 {{expected expression}} omp52-error{{expected ')'}} omp52-note{{to match this '('}}
 289 #else
 290 #pragma omp target parallel for simd linear(j)
 291 #endif
 292   for (int k = 0; k < argc; ++k)
 293     ++k;
 294 #ifdef OMP52
 295 #pragma omp target parallel for simd linear(i: step(1), step(2)) // omp52-error {{multiple 'step size' found in linear clause}}
 296 #else
 297 #pragma omp target parallel for simd linear(i)
 298 #endif
 299   for (int k = 0; k < argc; ++k)
 300     ++k;
 301
 302   foomain<int, char>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
 303   return 0;
 304 }
 305