clang/test/OpenMP/sections_private_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 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
  14 extern S1 a;
  15 class S2 {
  16   mutable int a;
  17
  18 public:
  19   S2() : a(0) {}
  20 };
  21 const S2 b;
  22 const S2 ba[5];
  23 class S3 {
  24   int a;
  25
  26 public:
  27   S3() : a(0) {}
  28 };
  29 const S3 ca[5];
  30 class S4 {
  31   int a;
  32   S4(); // expected-note {{implicitly declared private here}}
  33
  34 public:
  35   S4(int v) : a(v) {
  36 #pragma omp sections private(a) private(this->a)
  37     {
  38       for (int k = 0; k < v; ++k)
  39         ++this->a;
  40     }
  41   }
  42 };
  43 class S5 {
  44   int a;
  45   S5() : a(0) {} // expected-note {{implicitly declared private here}}
  46
  47 public:
  48   S5(int v) : a(v) {}
  49   S5 &operator=(S5 &s) {
  50 #pragma omp sections private(a) private(this->a) private(s.a) // expected-error {{expected variable name or data member of current class}}
  51     {
  52       for (int k = 0; k < s.a; ++k)
  53         ++s.a;
  54     }
  55     return *this;
  56   }
  57 };
  58
  59 template <typename T>
  60 class S6 {
  61 public:
  62   T a;
  63
  64   S6() : a(0) {}
  65   S6(T v) : a(v) {
  66 #pragma omp sections private(a) private(this->a)
  67     {
  68       for (int k = 0; k < v; ++k)
  69         ++this->a;
  70     }
  71   }
  72   S6 &operator=(S6 &s) {
  73 #pragma omp sections private(a) private(this->a) private(s.a) // expected-error {{expected variable name or data member of current class}}
  74     {
  75       for (int k = 0; k < s.a; ++k)
  76         ++s.a;
  77     }
  78     return *this;
  79   }
  80 };
  81
  82 template <typename T>
  83 class S7 : public T {
  84   T a;
  85   S7() : a(0) {}
  86
  87 public:
  88   S7(T v) : a(v) {
  89 #pragma omp sections private(a) private(this->a) private(T::a)
  90     {
  91       for (int k = 0; k < a.a; ++k)
  92         ++this->a.a;
  93     }
  94   }
  95   S7 &operator=(S7 &s) {
  96 #pragma omp sections private(a) private(this->a) private(s.a) private(s.T::a) // expected-error 2 {{expected variable name or data member of current class}}
  97     {
  98       for (int k = 0; k < s.a.a; ++k)
  99         ++s.a.a;
 100     }
 101     return *this;
 102   }
 103 };
 104
 105 S3 h;
 106 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
 107
 108 template <class I, class C>
 109 int foomain(I argc, C **argv) {
 110   I e(4);
 111   I g(5);
 112   int i;
 113   int &j = i;
 114 #pragma omp sections private // expected-error {{expected '(' after 'private'}}
 115   {
 116     foo();
 117   }
 118 #pragma omp sections private( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 119   {
 120     foo();
 121   }
 122 #pragma omp sections private() // expected-error {{expected expression}}
 123   {
 124     foo();
 125   }
 126 #pragma omp sections private(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 127   {
 128     foo();
 129   }
 130 #pragma omp sections private(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 131   {
 132     foo();
 133   }
 134 #pragma omp sections private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 135   {
 136     foo();
 137   }
 138 #pragma omp sections private(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 '('}}
 139   {
 140     foo();
 141   }
 142 #pragma omp sections private(S1) // expected-error {{'S1' does not refer to a value}}
 143   {
 144     foo();
 145   }
 146 #pragma omp sections private(a, b) // expected-error {{private variable with incomplete type 'S1'}}
 147   {
 148     foo();
 149   }
 150 #pragma omp sections private(argv[1]) // expected-error {{expected variable name}}
 151   {
 152     foo();
 153   }
 154 #pragma omp sections private(e, g)
 155   {
 156     foo();
 157   }
 158 #pragma omp sections private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
 159   {
 160     foo();
 161   }
 162 #pragma omp sections shared(i) // expected-error {{unexpected OpenMP clause 'shared' in directive '#pragma omp sections'}}
 163   {
 164     foo();
 165   }
 166 #pragma omp parallel
 167   {
 168     int v = 0;
 169     int i;
 170 #pragma omp sections private(i)
 171     {
 172       foo();
 173     }
 174     v += i;
 175   }
 176 #pragma omp parallel shared(i)
 177 #pragma omp parallel private(i)
 178 #pragma omp sections private(j)
 179   {
 180     foo();
 181   }
 182 #pragma omp sections private(i)
 183   {
 184     foo();
 185   }
 186   return 0;
 187 }
 188
 189 namespace A {
 190 double x;
 191 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
 192 }
 193 namespace B {
 194 using A::x;
 195 }
 196
 197 int main(int argc, char **argv) {
 198   S4 e(4);
 199   S5 g(5);
 200   S6<float> s6(0.0) , s6_0(1.0);
 201   S7<S6<float> > s7(0.0) , s7_0(1.0);
 202   int i;
 203   int &j = i;
 204 #pragma omp sections private // expected-error {{expected '(' after 'private'}}
 205   {
 206     foo();
 207   }
 208 #pragma omp sections private( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 209   {
 210     foo();
 211   }
 212 #pragma omp sections private() // expected-error {{expected expression}}
 213   {
 214     foo();
 215   }
 216 #pragma omp sections private(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 217   {
 218     foo();
 219   }
 220 #pragma omp sections private(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 221   {
 222     foo();
 223   }
 224 #pragma omp sections private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 225   {
 226     foo();
 227   }
 228 #pragma omp sections private(argc)
 229   {
 230     foo();
 231   }
 232 #pragma omp sections private(S1) // expected-error {{'S1' does not refer to a value}}
 233   {
 234     foo();
 235   }
 236 #pragma omp sections private(a, b) // expected-error {{private variable with incomplete type 'S1'}}
 237   {
 238     foo();
 239   }
 240 #pragma omp sections private(argv[1]) // expected-error {{expected variable name}}
 241   {
 242     foo();
 243   }
 244 #pragma omp sections private(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
 245   {
 246     foo();
 247   }
 248 #pragma omp sections private(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be private}}
 249   {
 250     foo();
 251   }
 252 #pragma omp sections shared(i) // expected-error {{unexpected OpenMP clause 'shared' in directive '#pragma omp sections'}}
 253   {
 254     foo();
 255   }
 256 #pragma omp parallel
 257   {
 258     int i;
 259 #pragma omp sections private(i)
 260     {
 261       foo();
 262     }
 263   }
 264 #pragma omp parallel shared(i)
 265 #pragma omp parallel private(i)
 266 #pragma omp sections private(j)
 267   {
 268     foo();
 269   }
 270 #pragma omp sections private(i)
 271   {
 272     foo();
 273   }
 274   static int m;
 275 #pragma omp sections private(m)
 276   {
 277     foo();
 278   }
 279
 280   s6 = s6_0; // expected-note {{in instantiation of member function 'S6<float>::operator=' requested here}}
 281   s7 = s7_0; // expected-note {{in instantiation of member function 'S7<S6<float>>::operator=' requested here}}
 282   return foomain(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
 283 }
 284