clang/test/OpenMP/for_firstprivate_messages.cpp

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