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