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