clang/test/OpenMP/parallel_masked_firstprivate_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
   2
   3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
   4
   5 extern int omp_default_mem_alloc;
   6 void foo() {
   7 }
   8
   9 bool foobool(int argc) {
  10   return argc;
  11 }
  12
  13 void xxx(int argc) {
  14   int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
  15 #pragma omp parallel masked firstprivate(fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
  16   {
  17     for (int i = 0; i < 10; ++i)
  18       ;
  19   }
  20 }
  21
  22 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
  23 extern S1 a;
  24 class S2 {
  25   mutable int a;
  26
  27 public:
  28   S2() : a(0) {}
  29   S2(const S2 &s2) : a(s2.a) {}
  30   static float S2s;
  31   static const float S2sc;
  32 };
  33 const float S2::S2sc = 0;
  34 const S2 b;
  35 const S2 ba[5];
  36 class S3 {
  37   int a;
  38   S3 &operator=(const S3 &s3);
  39
  40 public:
  41   S3() : a(0) {}
  42   S3(const S3 &s3) : a(s3.a) {}
  43 };
  44 const S3 c;
  45 const S3 ca[5];
  46 extern const int f;
  47 class S4 {
  48   int a;
  49   S4();
  50   S4(const S4 &s4); // expected-note 2 {{implicitly declared private here}}
  51
  52 public:
  53   S4(int v) : a(v) {}
  54 };
  55 class S5 {
  56   int a;
  57   S5(const S5 &s5) : a(s5.a) {} // expected-note 4 {{implicitly declared private here}}
  58
  59 public:
  60   S5() : a(0) {}
  61   S5(int v) : a(v) {}
  62 };
  63 class S6 {
  64   int a;
  65   S6() : a(0) {}
  66
  67 public:
  68   S6(const S6 &s6) : a(s6.a) {}
  69   S6(int v) : a(v) {}
  70 };
  71
  72 S3 h;
  73 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
  74
  75 template <class I, class C>
  76 int foomain(int argc, char **argv) {
  77   I e(4);
  78   C g(5);
  79   int i, z;
  80   int &j = i;
  81 #pragma omp parallel masked firstprivate // expected-error {{expected '(' after 'firstprivate'}}
  82   {
  83     foo();
  84   }
  85 #pragma omp parallel masked firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  86   {
  87     foo();
  88   }
  89 #pragma omp parallel masked firstprivate() // expected-error {{expected expression}}
  90   {
  91     foo();
  92   }
  93 #pragma omp parallel masked firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  94   {
  95     foo();
  96   }
  97 #pragma omp parallel masked firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  98   {
  99     foo();
 100   }
 101 #pragma omp parallel masked firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 102   {
 103     foo();
 104   }
 105 #pragma omp parallel masked firstprivate(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 '('}}
 106   {
 107     foo();
 108   }
 109 #pragma omp parallel masked firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
 110   {
 111     foo();
 112   }
 113 #pragma omp parallel masked firstprivate(z, a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}}
 114   {
 115     foo();
 116   }
 117 #pragma omp parallel masked firstprivate(argv[1]) // expected-error {{expected variable name}}
 118   {
 119     foo();
 120   }
 121 #pragma omp parallel masked firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
 122   {
 123     foo();
 124   }
 125 #pragma omp parallel masked firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
 126   {
 127     foo();
 128   }
 129 #pragma omp parallel masked linear(i) // expected-error {{unexpected OpenMP clause 'linear' in directive '#pragma omp parallel masked'}}
 130   {
 131     foo();
 132   }
 133 #pragma omp parallel
 134   {
 135     int v = 0;
 136     int i;
 137 #pragma omp parallel masked firstprivate(i)
 138     {
 139       foo();
 140     }
 141     v += i;
 142   }
 143 #pragma omp parallel shared(i)
 144 #pragma omp parallel private(i)
 145 #pragma omp parallel masked firstprivate(j)
 146   {
 147     foo();
 148   }
 149 #pragma omp parallel masked firstprivate(i)
 150   {
 151     foo();
 152   }
 153 #pragma omp parallel masked firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
 154   {
 155     foo();
 156   }
 157 #pragma omp parallel private(i)
 158 #pragma omp parallel masked firstprivate(i)
 159   {
 160     foo();
 161   }
 162 #pragma omp parallel reduction(+ : i)
 163 #pragma omp parallel masked firstprivate(i)
 164   {
 165     foo();
 166   }
 167   return 0;
 168 }
 169
 170 namespace A {
 171 double x;
 172 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
 173 }
 174 namespace B {
 175 using A::x;
 176 }
 177
 178 int main(int argc, char **argv) {
 179   const int d = 5;
 180   const int da[5] = {0};
 181   S4 e(4);
 182   S5 g(5);
 183   S3 m;
 184   S6 n(2);
 185   int i, z;
 186   int &j = i;
 187 #pragma omp parallel masked firstprivate // expected-error {{expected '(' after 'firstprivate'}}
 188   {
 189     foo();
 190   }
 191 #pragma omp parallel masked firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 192   {
 193     foo();
 194   }
 195 #pragma omp parallel masked firstprivate() // expected-error {{expected expression}}
 196   {
 197     foo();
 198   }
 199 #pragma omp parallel masked firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 200   {
 201     foo();
 202   }
 203 #pragma omp parallel masked firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 204   {
 205     foo();
 206   }
 207 #pragma omp parallel masked firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 208   {
 209     foo();
 210   }
 211 #pragma omp parallel masked firstprivate(argc, z)
 212   {
 213     foo();
 214   }
 215 #pragma omp parallel masked firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
 216   {
 217     foo();
 218   }
 219 #pragma omp parallel masked firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}}
 220   {
 221     foo();
 222   }
 223 #pragma omp parallel masked firstprivate(argv[1]) // expected-error {{expected variable name}}
 224   {
 225     foo();
 226   }
 227 #pragma omp parallel masked firstprivate(2 * 2) // expected-error {{expected variable name}}
 228   {
 229     foo();
 230   }
 231 #pragma omp parallel masked firstprivate(ba) // OK
 232   {
 233     foo();
 234   }
 235 #pragma omp parallel masked firstprivate(ca) // OK
 236   {
 237     foo();
 238   }
 239 #pragma omp parallel masked firstprivate(da) // OK
 240   {
 241     foo();
 242   }
 243   int xa;
 244 #pragma omp parallel masked firstprivate(xa) // OK
 245   {
 246     foo();
 247   }
 248 #pragma omp parallel masked firstprivate(S2::S2s) // OK
 249   {
 250     foo();
 251   }
 252 #pragma omp parallel masked firstprivate(S2::S2sc) // OK
 253   {
 254     foo();
 255   }
 256 #pragma omp parallel masked safelen(5) // expected-error {{unexpected OpenMP clause 'safelen' in directive '#pragma omp parallel masked'}}
 257   {
 258     foo();
 259   }
 260 #pragma omp parallel masked firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
 261   {
 262     foo();
 263   }
 264 #pragma omp parallel masked firstprivate(m) // OK
 265   {
 266     foo();
 267   }
 268 #pragma omp parallel masked firstprivate(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be firstprivate}}
 269   {
 270     foo();
 271   }
 272 #pragma omp parallel masked private(xa), firstprivate(xa) // expected-error {{private variable cannot be firstprivate}} expected-note {{defined as private}}
 273   {
 274     foo();
 275   }
 276 #pragma omp parallel shared(xa)
 277 #pragma omp parallel masked firstprivate(xa) // OK: may be firstprivate
 278   {
 279     foo();
 280   }
 281 #pragma omp parallel masked firstprivate(j)
 282   {
 283     foo();
 284   }
 285 #pragma omp parallel masked firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
 286   {
 287     foo();
 288   }
 289 #pragma omp parallel masked firstprivate(n) // OK
 290   {
 291     foo();
 292   }
 293 #pragma omp parallel
 294   {
 295     int v = 0;
 296     int i;
 297 #pragma omp parallel masked firstprivate(i)
 298     {
 299       foo();
 300     }
 301     v += i;
 302   }
 303 #pragma omp parallel private(i)
 304 #pragma omp parallel masked firstprivate(i)
 305   {
 306     foo();
 307   }
 308 #pragma omp parallel reduction(+ : i)
 309 #pragma omp parallel masked firstprivate(i)
 310   {
 311     foo();
 312   }
 313   static int r;
 314 #pragma omp parallel masked firstprivate(r) // OK
 315   {
 316     foo();
 317   }
 318
 319   return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
 320 }