clang/test/OpenMP/for_lastprivate_messages.cpp

   1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp %s -Wuninitialized
   2 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp %s -Wuninitialized
   3
   4 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-version=45 -fopenmp-simd %s -Wuninitialized
   5 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd %s -Wuninitialized
   6
   7 extern int omp_default_mem_alloc;
   8 void foo() {
   9 }
  10
  11 bool foobool(int argc) {
  12   return argc;
  13 }
  14
  15 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
  16 extern S1 a;
  17 class S2 {
  18   mutable int a;
  19
  20 public:
  21   S2() : a(0) {}
  22   S2(S2 &s2) : a(s2.a) {}
  23   const S2 &operator =(const S2&) const;
  24   S2 &operator =(const S2&);
  25   static float S2s; // expected-note {{static data member is predetermined as shared}}
  26   static const float S2sc; // expected-note {{'S2sc' declared here}}
  27 };
  28 const float S2::S2sc = 0;
  29 const S2 b;
  30 const S2 ba[5];
  31 class S3 {
  32   int a;
  33   S3 &operator=(const S3 &s3); // expected-note 2 {{implicitly declared private here}}
  34
  35 public:
  36   S3() : a(0) {}
  37   S3(S3 &s3) : a(s3.a) {}
  38 };
  39 const S3 c;         // expected-note {{'c' defined here}}
  40 const S3 ca[5];     // expected-note {{'ca' defined here}}
  41 extern const int f; // expected-note {{'f' declared here}}
  42 class S4 {
  43   int a;
  44   S4();             // expected-note 3 {{implicitly declared private here}}
  45   S4(const S4 &s4);
  46
  47 public:
  48   S4(int v) : a(v) {}
  49 };
  50 class S5 {
  51   int a;
  52   S5() : a(0) {} // expected-note {{implicitly declared private here}}
  53
  54 public:
  55   S5(const S5 &s5) : a(s5.a) {}
  56   S5(int v) : a(v) {}
  57 };
  58 class S6 {
  59   int a;
  60   S6() : a(0) {} // omp45-note 2 {{implicitly declared private here}}
  61
  62 public:
  63   S6(const S6 &s6) : a(s6.a) {}
  64   S6(int v) : a(v) {}
  65 };
  66
  67 S3 h;
  68 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
  69
  70 template <class I, class C>
  71 int foomain(int argc, char **argv) {
  72   I e(4);
  73   I g(5);
  74   int i, k;
  75   int &j = i;
  76   S6 s(0); // omp50-note {{'s' defined here}}
  77 #pragma omp parallel
  78 #pragma omp for lastprivate // expected-error {{expected '(' after 'lastprivate'}}
  79   for (int k = 0; k < argc; ++k)
  80     ++k;
  81 #pragma omp parallel
  82 #pragma omp for lastprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  83   for (int k = 0; k < argc; ++k)
  84     ++k;
  85 #pragma omp parallel
  86 #pragma omp for lastprivate() // expected-error {{expected expression}}
  87   for (int k = 0; k < argc; ++k)
  88     ++k;
  89 #pragma omp parallel
  90 #pragma omp for lastprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
  91   for (int k = 0; k < argc; ++k)
  92     ++k;
  93 #pragma omp parallel
  94 #pragma omp for lastprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  95   for (int k = 0; k < argc; ++k)
  96     ++k;
  97 #pragma omp parallel
  98 #pragma omp for lastprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
  99   for (int k = 0; k < argc; ++k)
 100     ++k;
 101 #pragma omp parallel
 102 #pragma omp for lastprivate(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 '('}}
 103   for (int k = 0; k < argc; ++k)
 104     ++k;
 105 #pragma omp parallel
 106 #pragma omp for lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
 107   for (int k = 0; k < argc; ++k)
 108     ++k;
 109 #pragma omp parallel
 110 #pragma omp for lastprivate(foo:argc) // omp50-error {{expected 'conditional' in OpenMP clause 'lastprivate'}} omp45-error {{expected ',' or ')' in 'lastprivate' clause}} omp45-error {{expected ')'}} omp45-error {{expected variable name}} omp45-note {{to match this '('}}
 111   for (int k = 0; k < argc; ++k)
 112     ++k;
 113 #pragma omp parallel
 114 #pragma omp for lastprivate(conditional: argc,s) lastprivate(conditional: // omp45-error 2 {{use of undeclared identifier 'conditional'}} omp50-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error 2 {{calling a private constructor of class 'S6'}} omp50-error {{expected list item of scalar type in 'lastprivate' clause with 'conditional' modifier}}
 115   for (int k = 0; k < argc; ++k)
 116     ++k;
 117 #pragma omp parallel
 118 #pragma omp for lastprivate(a, b) // expected-error {{lastprivate variable with incomplete type 'S1'}}
 119   for (int k = 0; k < argc; ++k)
 120     ++k;
 121 #pragma omp parallel
 122 #pragma omp for lastprivate(argv[1]) // expected-error {{expected variable name}}
 123   for (int k = 0; k < argc; ++k)
 124     ++k;
 125 #pragma omp parallel
 126 #pragma omp for lastprivate(k, e, g) // expected-error 2 {{calling a private constructor of class 'S4'}}
 127   for (int k = 0; k < argc; ++k)
 128     ++k;
 129 #pragma omp parallel
 130 #pragma omp for lastprivate(h) // expected-error {{threadprivate or thread local variable cannot be lastprivate}}
 131   for (int k = 0; k < argc; ++k)
 132     ++k;
 133 #pragma omp parallel
 134   {
 135     int v = 0;
 136     int i;                     // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp for' directive into a parallel or another task region?}}
 137 #pragma omp for lastprivate(i) // expected-error {{lastprivate variable must be shared}}
 138     for (int k = 0; k < argc; ++k) {
 139       i = k;
 140       v += i;
 141     }
 142   }
 143 #pragma omp parallel shared(i)
 144 #pragma omp parallel private(i)
 145 #pragma omp for lastprivate(j)
 146   for (int k = 0; k < argc; ++k)
 147     ++k;
 148 #pragma omp parallel
 149 #pragma omp for lastprivate(i)
 150   for (int k = 0; k < argc; ++k)
 151     ++k;
 152   return 0;
 153 }
 154
 155 void bar(S4 a[2]) {
 156 #pragma omp parallel
 157 #pragma omp for lastprivate(a)
 158   for (int i = 0; i < 2; ++i)
 159     foo();
 160 }
 161
 162 namespace A {
 163 double x;
 164 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
 165 }
 166 namespace B {
 167 using A::x;
 168 }
 169
 170 int main(int argc, char **argv) {
 171   const int d = 5;       // expected-note {{'d' defined here}}
 172   const int da[5] = {0}; // expected-note {{'da' defined here}}
 173   S4 e(4);
 174   S5 g(5);
 175   S3 m;
 176   S6 n(2);
 177   int i, k;
 178   int &j = i;
 179 #pragma omp parallel
 180 #pragma omp for lastprivate // expected-error {{expected '(' after 'lastprivate'}}
 181   for (i = 0; i < argc; ++i)
 182     foo();
 183 #pragma omp parallel
 184 #pragma omp for lastprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 185   for (i = 0; i < argc; ++i)
 186     foo();
 187 #pragma omp parallel
 188 #pragma omp for lastprivate() // expected-error {{expected expression}}
 189   for (i = 0; i < argc; ++i)
 190     foo();
 191 #pragma omp parallel
 192 #pragma omp for lastprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 193   for (i = 0; i < argc; ++i)
 194     foo();
 195 #pragma omp parallel
 196 #pragma omp for lastprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 197   for (i = 0; i < argc; ++i)
 198     foo();
 199 #pragma omp parallel
 200 #pragma omp for lastprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 201   for (i = 0; i < argc; ++i)
 202     foo();
 203 #pragma omp parallel
 204 #pragma omp for lastprivate(argc, k)
 205   for (i = 0; i < argc; ++i)
 206     foo();
 207 #pragma omp parallel
 208 #pragma omp for lastprivate(S1) // expected-error {{'S1' does not refer to a value}}
 209   for (i = 0; i < argc; ++i)
 210     foo();
 211 #pragma omp parallel
 212 #pragma omp for lastprivate(a, b, c, d, f) // expected-error {{lastprivate variable with incomplete type 'S1'}} expected-error 1 {{const-qualified variable without mutable fields cannot be lastprivate}} expected-error 2 {{const-qualified variable cannot be lastprivate}}
 213   for (i = 0; i < argc; ++i)
 214     foo();
 215 #pragma omp parallel
 216 #pragma omp for lastprivate(argv[1]) // expected-error {{expected variable name}}
 217   for (i = 0; i < argc; ++i)
 218     foo();
 219 #pragma omp parallel
 220 #pragma omp for lastprivate(2 * 2) // expected-error {{expected variable name}}
 221   for (i = 0; i < argc; ++i)
 222     foo();
 223 #pragma omp parallel
 224 #pragma omp for lastprivate(ba)
 225   for (i = 0; i < argc; ++i)
 226     foo();
 227 #pragma omp parallel
 228 #pragma omp for lastprivate(ca) // expected-error {{const-qualified variable without mutable fields cannot be lastprivate}}
 229   for (i = 0; i < argc; ++i)
 230     foo();
 231 #pragma omp parallel
 232 #pragma omp for lastprivate(da) // expected-error {{const-qualified variable cannot be lastprivate}}
 233   for (i = 0; i < argc; ++i)
 234     foo();
 235   int xa;
 236 #pragma omp parallel
 237 #pragma omp for lastprivate(xa) // OK
 238   for (i = 0; i < argc; ++i)
 239     foo();
 240 #pragma omp parallel
 241 #pragma omp for lastprivate(S2::S2s) // expected-error {{shared variable cannot be lastprivate}}
 242   for (i = 0; i < argc; ++i)
 243     foo();
 244 #pragma omp parallel
 245 #pragma omp for lastprivate(S2::S2sc) // expected-error {{const-qualified variable cannot be lastprivate}}
 246   for (i = 0; i < argc; ++i)
 247     foo();
 248 #pragma omp parallel
 249 #pragma omp for safelen(5) // expected-error {{unexpected OpenMP clause 'safelen' in directive '#pragma omp for'}}
 250   for (i = 0; i < argc; ++i)
 251     foo();
 252 #pragma omp parallel
 253 #pragma omp for lastprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
 254   for (i = 0; i < argc; ++i)
 255     foo();
 256 #pragma omp parallel
 257 #pragma omp for lastprivate(m) // expected-error {{'operator=' is a private member of 'S3'}}
 258   for (i = 0; i < argc; ++i)
 259     foo();
 260 #pragma omp parallel
 261 #pragma omp for lastprivate(h) // expected-error {{threadprivate or thread local variable cannot be lastprivate}}
 262   for (i = 0; i < argc; ++i)
 263     foo();
 264 #pragma omp parallel
 265 #pragma omp for lastprivate(B::x) // expected-error {{threadprivate or thread local variable cannot be lastprivate}}
 266   for (i = 0; i < argc; ++i)
 267     foo();
 268 #pragma omp parallel
 269 #pragma omp for private(xa), lastprivate(xa) // expected-error {{private variable cannot be lastprivate}} expected-note {{defined as private}}
 270   for (i = 0; i < argc; ++i)
 271     foo();
 272 #pragma omp parallel
 273 #pragma omp for lastprivate(i)
 274   for (i = 0; i < argc; ++i)
 275     foo();
 276 #pragma omp parallel private(xa) // expected-note {{defined as private}}
 277 #pragma omp for lastprivate(xa)  // expected-error {{lastprivate variable must be shared}}
 278   for (i = 0; i < argc; ++i)
 279     foo();
 280 #pragma omp parallel reduction(+ : xa) // expected-note {{defined as reduction}}
 281 #pragma omp for lastprivate(xa)        // expected-error {{lastprivate variable must be shared}}
 282   for (i = 0; i < argc; ++i)
 283     foo();
 284 #pragma omp parallel
 285 #pragma omp for lastprivate(j)
 286   for (i = 0; i < argc; ++i)
 287     foo();
 288 #pragma omp parallel
 289 #pragma omp for firstprivate(m) lastprivate(m) // expected-error {{'operator=' is a private member of 'S3'}}
 290   for (i = 0; i < argc; ++i)
 291     foo();
 292 #pragma omp parallel
 293 #pragma omp for lastprivate(n) firstprivate(n) // OK
 294   for (i = 0; i < argc; ++i)
 295     foo();
 296   static int si;
 297 #pragma omp for lastprivate(si) // OK
 298   for (i = 0; i < argc; ++i)
 299     si = i + 1;
 300   return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
 301 }