clang/test/OpenMP/task_in_reduction_message.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 150 -o - %s
   2 // RUN: %clang_cc1 -verify -fopenmp -std=c++98 -ferror-limit 150 -o - %s
   3 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 -ferror-limit 150 -o - %s
   4 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -ferror-limit 150 -o - %s
   5 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++98 -ferror-limit 150 -o - %s
   6 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++11 -ferror-limit 150 -o - %s
   7
   8 // RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 150 -o - %s
   9 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++98 -ferror-limit 150 -o - %s
  10 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 -ferror-limit 150 -o - %s
  11 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -ferror-limit 150 -o - %s
  12 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++98 -ferror-limit 150 -o - %s
  13 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++11 -ferror-limit 150 -o - %s
  14 // SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
  15
  16 typedef void **omp_allocator_handle_t;
  17 extern const omp_allocator_handle_t omp_null_allocator;
  18 extern const omp_allocator_handle_t omp_default_mem_alloc;
  19 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
  20 extern const omp_allocator_handle_t omp_const_mem_alloc;
  21 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
  22 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
  23 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
  24 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
  25 extern const omp_allocator_handle_t omp_thread_mem_alloc;
  26
  27 void foo() {
  28 }
  29
  30 bool foobool(int argc) {
  31   return argc;
  32 }
  33
  34 void foobar(int &ref) {
  35 #pragma omp taskgroup task_reduction(+:ref)
  36 #pragma omp task in_reduction(+:ref) allocate(omp_thread_mem_alloc: ref) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'task' directive}}
  37   foo();
  38 }
  39
  40 void foobar1(int &ref) {
  41 #pragma omp taskgroup task_reduction(+:ref)
  42 #pragma omp task in_reduction(-:ref) // omp52-warning {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
  43   foo();
  44 }
  45
  46 #pragma omp declare reduction (red:int:omp_out += omp_in)
  47
  48 void foobar2(int &ref) {
  49 #pragma omp taskgroup task_reduction(+:ref) // expected-note {{previously marked as task_reduction with different reduction operation}}
  50 #pragma omp task in_reduction(red:ref) // expected-error{{in_reduction variable must have the same reduction operation as in a task_reduction clause}}
  51   foo();
  52 }
  53
  54 void foobar3(int &ref) {
  55 #pragma omp taskgroup task_reduction(red:ref) // expected-note {{previously marked as task_reduction with different reduction operation}}
  56 #pragma omp task in_reduction(min:ref)  // expected-error{{in_reduction variable must have the same reduction operation as in a task_reduction clause}}
  57   foo();
  58 }
  59
  60 void foobar4(int &ref) {
  61 #pragma omp task in_reduction(min:ref)
  62   foo();
  63 }
  64
  65 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
  66 extern S1 a;
  67 class S2 {
  68   mutable int a;
  69   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
  70
  71 public:
  72   S2() : a(0) {}
  73   S2(S2 &s2) : a(s2.a) {}
  74   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
  75   static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
  76 };
  77 const float S2::S2sc = 0;
  78 S2 b;                     // expected-note 3 {{'b' defined here}}
  79 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
  80 class S3 {
  81   int a;
  82
  83 public:
  84   int b;
  85   S3() : a(0) {}
  86   S3(const S3 &s3) : a(s3.a) {}
  87   S3 operator+(const S3 &arg1) { return arg1; }
  88 };
  89 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
  90 S3 c;               // expected-note 3 {{'c' defined here}}
  91 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
  92 extern const int f; // expected-note 4 {{'f' declared here}}
  93 class S4 {
  94   int a;
  95   S4(); // expected-note {{implicitly declared private here}}
  96   S4(const S4 &s4);
  97   S4 &operator+(const S4 &arg) { return (*this); }
  98
  99 public:
 100   S4(int v) : a(v) {}
 101 };
 102 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
 103 class S5 {
 104   int a;
 105   S5() : a(0) {} // expected-note {{implicitly declared private here}}
 106   S5(const S5 &s5) : a(s5.a) {}
 107   S5 &operator+(const S5 &arg);
 108
 109 public:
 110   S5(int v) : a(v) {}
 111 };
 112 class S6 { // expected-note 3 {{candidate function (the implicit copy assignment operator) not viable: no known conversion from 'int' to 'const S6' for 1st argument}}
 113 #if __cplusplus >= 201103L // C++11 or later
 114 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
 115 #endif
 116   int a;
 117
 118 public:
 119   S6() : a(6) {}
 120   operator int() { return 6; }
 121 } o;
 122
 123 S3 h, k;
 124 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
 125
 126 template <class T>       // expected-note {{declared here}}
 127 T tmain(T argc) {
 128   const T d = T();       // expected-note 4 {{'d' defined here}}
 129   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
 130   T qa[5] = {T()};
 131   T i;
 132   T &j = i;                    // expected-note 2 {{'j' defined here}}
 133   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
 134   const T &r = da[(int)i];     // expected-note 2 {{'r' defined here}}
 135   T &q = qa[(int)i];
 136   T fl;
 137 #pragma omp taskgroup task_reduction(+:argc)
 138 #pragma omp task in_reduction // expected-error {{expected '(' after 'in_reduction'}}
 139   foo();
 140 #pragma omp taskgroup task_reduction(+:argc)
 141 #pragma omp task in_reduction + // expected-error {{expected '(' after 'in_reduction'}} expected-warning {{extra tokens at the end of '#pragma omp task' are ignored}}
 142   foo();
 143 #pragma omp taskgroup task_reduction(+:argc)
 144 #pragma omp task in_reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 145   foo();
 146 #pragma omp taskgroup task_reduction(+:argc)
 147 #pragma omp task in_reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 148   foo();
 149 #pragma omp taskgroup task_reduction(+:argc)
 150 #pragma omp task in_reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 151   foo();
 152 #pragma omp taskgroup task_reduction(+:argc)
 153 #pragma omp task in_reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}}
 154   foo();
 155 #pragma omp taskgroup task_reduction(+:argc)
 156 #pragma omp task in_reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 157   foo();
 158 #pragma omp taskgroup task_reduction(&:argc) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
 159 #pragma omp task in_reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
 160   foo();
 161 #pragma omp taskgroup task_reduction(|:argc) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
 162 #pragma omp task in_reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
 163   foo();
 164 #pragma omp task in_reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
 165   foo();
 166 #pragma omp task in_reduction(foo : argc) //expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}}
 167   foo();
 168 #pragma omp taskgroup task_reduction(&&:argc)
 169 #pragma omp task in_reduction(&& : argc)
 170   foo();
 171 #pragma omp task in_reduction(^ : T) // expected-error {{'T' does not refer to a value}}
 172   foo();
 173 #pragma omp taskgroup task_reduction(+:c)
 174 #pragma omp task in_reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 3 {{const-qualified variable cannot be in_reduction}} expected-error 2 {{'operator+' is a private member of 'S2'}}
 175   foo();
 176 #pragma omp task in_reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 4 {{arguments of OpenMP clause 'in_reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified variable cannot be in_reduction}}
 177   foo();
 178 #pragma omp task in_reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
 179   foo();
 180 #pragma omp task in_reduction(+ : ba) // expected-error {{const-qualified variable cannot be in_reduction}}
 181   foo();
 182 #pragma omp task in_reduction(* : ca) // expected-error {{const-qualified variable cannot be in_reduction}}
 183   foo();
 184 #pragma omp task in_reduction(- : da) // expected-error 2 {{const-qualified variable cannot be in_reduction}} omp52-warning 3 {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
 185   foo();
 186 #pragma omp task in_reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
 187   foo();
 188 #pragma omp task in_reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
 189   foo();
 190 #pragma omp task in_reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be in_reduction}}
 191   foo();
 192 #pragma omp taskgroup task_reduction(+:k)
 193 #pragma omp task in_reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
 194   foo();
 195 #pragma omp task in_reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
 196   foo();
 197 #pragma omp parallel private(k)
 198 #pragma omp task in_reduction(+ : p), in_reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'in_reduction' must reference the same object in all threads}}
 199   foo();
 200 #pragma omp taskgroup task_reduction(+:p)
 201 #pragma omp task in_reduction(+ : p), in_reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'in_reduction' clause}} expected-note 2 {{previously referenced here}}
 202   foo();
 203 #pragma omp task in_reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be in_reduction}}
 204   foo();
 205 #pragma omp parallel shared(i)
 206 #pragma omp parallel reduction(min : i)
 207 #pragma omp task in_reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'in_reduction' must reference the same object in all threads}}
 208   foo();
 209 #pragma omp taskgroup task_reduction(+:fl)
 210 #pragma omp task in_reduction(+ : fl)
 211     foo();
 212 #pragma omp parallel
 213 #pragma omp for reduction(- : fl) // omp52-warning 3 {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
 214   for (int i = 0; i < 10; ++i)
 215 #pragma omp taskgroup task_reduction(+:fl)
 216 #pragma omp task in_reduction(+ : fl)
 217     foo();
 218
 219   return T();
 220 }
 221
 222 namespace A {
 223 double x;
 224 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
 225 }
 226 namespace B {
 227 using A::x;
 228 }
 229
 230 int main(int argc, char **argv) {
 231   const int d = 5;       // expected-note 2 {{'d' defined here}}
 232   const int da[5] = {0}; // expected-note {{'da' defined here}}
 233   int qa[5] = {0};
 234   S4 e(4);
 235   S5 g(5);
 236   int i;
 237   int &j = i;                  // expected-note {{'j' defined here}}
 238   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
 239   const int &r = da[i];        // expected-note {{'r' defined here}}
 240   int &q = qa[i];
 241   float fl;
 242 #pragma omp task in_reduction // expected-error {{expected '(' after 'in_reduction'}}
 243   foo();
 244 #pragma omp task in_reduction + // expected-error {{expected '(' after 'in_reduction'}} expected-warning {{extra tokens at the end of '#pragma omp task' are ignored}}
 245   foo();
 246 #pragma omp task in_reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 247   foo();
 248 #pragma omp task in_reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 249   foo();
 250 #pragma omp task in_reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 251   foo();
 252 #pragma omp task in_reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}}
 253   foo();
 254 #pragma omp task in_reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 255   foo();
 256 #pragma omp task in_reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
 257   foo();
 258 #pragma omp taskgroup task_reduction(|:argc)
 259 {
 260 #pragma omp taskgroup task_reduction(+:argc) // expected-note {{previously marked as task_reduction with different reduction operation}}
 261 {
 262 #pragma omp task in_reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{in_reduction variable must have the same reduction operation as in a task_reduction clause}}
 263   foo();
 264 }
 265 #pragma omp task in_reduction(| : 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 '('}}
 266   foo();
 267 }
 268 #pragma omp task in_reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
 269   foo();
 270 #pragma omp task in_reduction(~ : argc) // expected-error {{expected unqualified-id}}
 271   foo();
 272 #pragma omp taskgroup task_reduction(&&:argc)
 273 #pragma omp task in_reduction(&& : argc)
 274   foo();
 275 #pragma omp task in_reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
 276   foo();
 277 #pragma omp taskgroup task_reduction(+:c)
 278 #pragma omp task in_reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{const-qualified variable cannot be in_reduction}} expected-error {{'operator+' is a private member of 'S2'}}
 279   foo();
 280 #pragma omp task in_reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'in_reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 2 {{const-qualified variable cannot be in_reduction}}
 281   foo();
 282 #pragma omp task in_reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
 283   foo();
 284 #pragma omp task in_reduction(+ : ba) // expected-error {{const-qualified variable cannot be in_reduction}}
 285   foo();
 286 #pragma omp task in_reduction(* : ca) // expected-error {{const-qualified variable cannot be in_reduction}}
 287   foo();
 288 #pragma omp task in_reduction(- : da) // expected-error {{const-qualified variable cannot be in_reduction}} omp52-warning {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
 289   foo();
 290 #pragma omp task in_reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
 291   foo();
 292 #pragma omp task in_reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
 293   foo();
 294 #pragma omp task in_reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be in_reduction}}
 295   foo();
 296 #pragma omp task in_reduction(& : e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}} expected-error {{invalid operands to binary expression ('S5' and 'S5')}}
 297   foo();
 298 #pragma omp taskgroup task_reduction(+:k)
 299 #pragma omp task in_reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
 300   foo();
 301 #pragma omp task in_reduction(+ : o) // expected-error {{no viable overloaded '='}}
 302   foo();
 303 #pragma omp parallel private(k)
 304 #pragma omp task in_reduction(+ : p), in_reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'in_reduction' must reference the same object in all threads}}
 305   foo();
 306 #pragma omp taskgroup task_reduction(+:p)
 307 #pragma omp task in_reduction(+ : p), in_reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'in_reduction' clause}} expected-note {{previously referenced here}}
 308   foo();
 309 #pragma omp task in_reduction(+ : r) // expected-error {{const-qualified variable cannot be in_reduction}}
 310   foo();
 311 #pragma omp parallel shared(i)
 312 #pragma omp parallel reduction(min : i)
 313 #pragma omp task in_reduction(max : j) // expected-error {{argument of OpenMP clause 'in_reduction' must reference the same object in all threads}}
 314   foo();
 315 #pragma omp parallel
 316 #pragma omp for private(fl)
 317   for (int i = 0; i < 10; ++i)
 318 #pragma omp taskgroup task_reduction(+:fl)
 319 #pragma omp task in_reduction(+ : fl)
 320     foo();
 321 #pragma omp taskgroup task_reduction(+:fl)
 322 #pragma omp task in_reduction(+ : fl)
 323     foo();
 324   static int m;
 325 #pragma omp taskgroup task_reduction(+:m)
 326 #pragma omp task in_reduction(+ : m) // OK
 327   m++;
 328
 329   return tmain(argc) + tmain(fl); // expected-note {{in instantiation of function template specialization 'tmain<int>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<float>' requested here}}
 330 }