clang/test/OpenMP/for_simd_reduction_messages.cpp

   1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 %s -Wuninitialized
   2 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 %s -Wuninitialized
   3 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 %s -Wuninitialized
   4 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp %s -Wuninitialized
   5 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++98 %s -Wuninitialized
   6 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++11 %s -Wuninitialized
   7 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 %s -Wuninitialized
   8 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++98 %s -Wuninitialized
   9 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++11 %s -Wuninitialized
  10 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 %s -Wuninitialized
  11 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++98 %s -Wuninitialized
  12 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++11 %s -Wuninitialized
  13
  14 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 %s -Wuninitialized
  15 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 %s -Wuninitialized
  16 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 %s -Wuninitialized
  17 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd %s -Wuninitialized
  18 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++98 %s -Wuninitialized
  19 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++11 %s -Wuninitialized
  20 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 %s -Wuninitialized
  21 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++98 %s -Wuninitialized
  22 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++11 %s -Wuninitialized
  23 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 %s -Wuninitialized
  24 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++98 %s -Wuninitialized
  25 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++11 %s -Wuninitialized
  26
  27 extern int omp_default_mem_alloc;
  28 void xxx(int argc) {
  29   int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
  30 #pragma omp parallel
  31 #pragma omp for simd reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
  32   for (int i = 0; i < 10; ++i)
  33     ;
  34 }
  35
  36 void foo() {
  37 }
  38
  39 bool foobool(int argc) {
  40   return argc;
  41 }
  42
  43 void foobar(int &ref) {
  44 #pragma omp parallel
  45 #pragma omp for simd reduction(+:ref)
  46   for (int i = 0; i < 10; ++i)
  47     foo();
  48 }
  49
  50 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
  51 extern S1 a;
  52 class S2 {
  53   mutable int a;
  54   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
  55
  56 public:
  57   S2() : a(0) {}
  58   S2(S2 &s2) : a(s2.a) {}
  59   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
  60   static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
  61 };
  62 const float S2::S2sc = 0;
  63 S2 b;                     // expected-note 3 {{'b' defined here}}
  64 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
  65 class S3 {
  66   int a;
  67
  68 public:
  69   int b;
  70   S3() : a(0) {}
  71   S3(const S3 &s3) : a(s3.a) {}
  72   S3 operator+(const S3 &arg1) { return arg1; }
  73 };
  74 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
  75 S3 c;               // expected-note 3 {{'c' defined here}}
  76 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
  77 extern const int f; // expected-note 4 {{'f' declared here}}
  78 class S4 {
  79   int a;
  80   S4(); // expected-note {{implicitly declared private here}}
  81   S4(const S4 &s4);
  82   S4 &operator+(const S4 &arg) { return (*this); }
  83
  84 public:
  85   S4(int v) : a(v) {}
  86 };
  87 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
  88 class S5 {
  89   int a;
  90   S5() : a(0) {} // expected-note {{implicitly declared private here}}
  91   S5(const S5 &s5) : a(s5.a) {}
  92   S5 &operator+(const S5 &arg);
  93
  94 public:
  95   S5(int v) : a(v) {}
  96 };
  97 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}}
  98 #if __cplusplus >= 201103L // C++11 or later
  99 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
 100 #endif
 101   int a;
 102
 103 public:
 104   S6() : a(6) {}
 105   operator int() { return 6; }
 106 } o;
 107
 108 S3 h, k;
 109 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
 110
 111 template <class T>       // expected-note {{declared here}}
 112 T tmain(T argc) {
 113   const T d = T();       // expected-note 4 {{'d' defined here}}
 114   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
 115   T qa[5] = {T()};
 116   T i, z;
 117   T &j = i;                // expected-note 4 {{'j' defined here}}
 118   S3 &p = k;               // expected-note 2 {{'p' defined here}}
 119   const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
 120   T &q = qa[(int)i];       // expected-note 2 {{'q' defined here}}
 121   T fl;
 122 #pragma omp parallel
 123 #pragma omp for simd reduction // expected-error {{expected '(' after 'reduction'}}
 124   for (int i = 0; i < 10; ++i)
 125     foo();
 126 #pragma omp parallel
 127 #pragma omp for simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp for simd' are ignored}}
 128   for (int i = 0; i < 10; ++i)
 129     foo();
 130 #pragma omp parallel
 131 #pragma omp for simd reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 132   for (int i = 0; i < 10; ++i)
 133     foo();
 134 #pragma omp parallel
 135 #pragma omp for simd reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 136   for (int i = 0; i < 10; ++i)
 137     foo();
 138 #pragma omp parallel
 139 #pragma omp for simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 140   for (int i = 0; i < 10; ++i)
 141     foo();
 142 #pragma omp parallel
 143 #pragma omp for simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
 144   for (int i = 0; i < 10; ++i)
 145     foo();
 146 #pragma omp parallel
 147 #pragma omp for simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 148   for (int i = 0; i < 10; ++i)
 149     foo();
 150 #pragma omp parallel
 151 #pragma omp for simd reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
 152   for (int i = 0; i < 10; ++i)
 153     foo();
 154 #pragma omp parallel
 155 #pragma omp for simd reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
 156   for (int i = 0; i < 10; ++i)
 157     foo();
 158 #pragma omp parallel
 159 #pragma omp for simd reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
 160   for (int i = 0; i < 10; ++i)
 161     foo();
 162 #pragma omp parallel
 163 #pragma omp for simd reduction(foo : argc) //omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp50-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp50-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp52-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp52-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}}
 164   for (int i = 0; i < 10; ++i)
 165     foo();
 166 #pragma omp parallel
 167 #pragma omp for simd 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 '('}}
 168   for (int i = 0; i < 10; ++i)
 169     foo();
 170 #pragma omp parallel
 171 #pragma omp for simd reduction(^ : T) // expected-error {{'T' does not refer to a value}}
 172   for (int i = 0; i < 10; ++i)
 173     foo();
 174 #pragma omp parallel
 175 #pragma omp for simd reduction(+ : z, a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 3 {{const-qualified variable cannot be reduction}} expected-error 2 {{'operator+' is a private member of 'S2'}}
 176   for (int i = 0; i < 10; ++i)
 177     foo();
 178 #pragma omp parallel
 179 #pragma omp for simd reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 4 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified variable cannot be reduction}}
 180   for (int i = 0; i < 10; ++i)
 181     foo();
 182 #pragma omp parallel
 183 #pragma omp for simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
 184   for (int i = 0; i < 10; ++i)
 185     foo();
 186 #pragma omp parallel
 187 #pragma omp for simd reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
 188   for (int i = 0; i < 10; ++i)
 189     foo();
 190 #pragma omp parallel
 191 #pragma omp for simd reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
 192   for (int i = 0; i < 10; ++i)
 193     foo();
 194 #pragma omp parallel
 195 #pragma omp for simd reduction(- : da) // expected-error 2 {{const-qualified variable cannot be reduction}} omp52-warning 3 {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
 196   for (int i = 0; i < 10; ++i)
 197     foo();
 198 #pragma omp parallel
 199 #pragma omp for simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
 200   for (int i = 0; i < 10; ++i)
 201     foo();
 202 #pragma omp parallel
 203 #pragma omp for simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
 204   for (int i = 0; i < 10; ++i)
 205     foo();
 206 #pragma omp parallel
 207 #pragma omp for simd reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
 208   for (int i = 0; i < 10; ++i)
 209     foo();
 210 #pragma omp parallel
 211 #pragma omp for simd reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
 212   for (int i = 0; i < 10; ++i)
 213     foo();
 214 #pragma omp parallel
 215 #pragma omp for simd reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
 216   for (int i = 0; i < 10; ++i)
 217     foo();
 218 #pragma omp parallel
 219 #pragma omp for simd private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 220   for (int i = 0; i < 10; ++i)
 221     foo();
 222 #pragma omp parallel private(k)
 223 #pragma omp for simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 224   for (int i = 0; i < 10; ++i)
 225     foo();
 226 #pragma omp parallel
 227 #pragma omp for simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
 228   for (int i = 0; i < 10; ++i)
 229     foo();
 230 #pragma omp parallel
 231 #pragma omp for simd reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
 232   for (int i = 0; i < 10; ++i)
 233     foo();
 234 #pragma omp parallel shared(i)
 235 #pragma omp parallel reduction(min : i)
 236 #pragma omp for simd reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 237   for (int i = 0; i < 10; ++i)
 238     foo();
 239 #pragma omp parallel private(fl)  // expected-note 2 {{defined as private}}
 240 #pragma omp for simd reduction(+ : fl) // expected-error 2 {{reduction variable must be shared}}
 241   for (int i = 0; i < 10; ++i)
 242     foo();
 243 #pragma omp parallel reduction(* : fl) // expected-note 2 {{defined as reduction}}
 244 #pragma omp for simd reduction(+ : fl)      // expected-error 2 {{reduction variable must be shared}}
 245   for (int i = 0; i < 10; ++i)
 246     foo();
 247
 248   return T();
 249 }
 250
 251 namespace A {
 252 double x;
 253 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
 254 }
 255 namespace B {
 256 using A::x;
 257 }
 258
 259 int main(int argc, char **argv) {
 260   const int d = 5;       // expected-note 2 {{'d' defined here}}
 261   const int da[5] = {0}; // expected-note {{'da' defined here}}
 262   int qa[5] = {0};
 263   S4 e(4);
 264   S5 g(5);
 265   int i, z;
 266   int &j = i;           // expected-note 2 {{'j' defined here}}
 267   S3 &p = k;            // expected-note 2 {{'p' defined here}}
 268   const int &r = da[i]; // expected-note {{'r' defined here}}
 269   int &q = qa[i];       // expected-note {{'q' defined here}}
 270   float fl;
 271 #pragma omp parallel
 272 #pragma omp for simd reduction // expected-error {{expected '(' after 'reduction'}}
 273   for (int i = 0; i < 10; ++i)
 274     foo();
 275 #pragma omp parallel
 276 #pragma omp for simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp for simd' are ignored}}
 277   for (int i = 0; i < 10; ++i)
 278     foo();
 279 #pragma omp parallel
 280 #pragma omp for simd reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 281   for (int i = 0; i < 10; ++i)
 282     foo();
 283 #pragma omp parallel
 284 #pragma omp for simd reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 285   for (int i = 0; i < 10; ++i)
 286     foo();
 287 #pragma omp parallel
 288 #pragma omp for simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 289   for (int i = 0; i < 10; ++i)
 290     foo();
 291 #pragma omp parallel
 292 #pragma omp for simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
 293   for (int i = 0; i < 10; ++i)
 294     foo();
 295 #pragma omp parallel
 296 #pragma omp for simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 297   for (int i = 0; i < 10; ++i)
 298     foo();
 299 #pragma omp parallel
 300 #pragma omp for simd reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp50-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp52-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}  omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
 301   for (int i = 0; i < 10; ++i)
 302     foo();
 303 #pragma omp parallel
 304 #pragma omp for simd reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 305   for (int i = 0; i < 10; ++i)
 306     foo();
 307 #pragma omp parallel
 308 #pragma omp for simd reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
 309   for (int i = 0; i < 10; ++i)
 310     foo();
 311 #pragma omp parallel
 312 #pragma omp for simd reduction(~ : argc) // expected-error {{expected unqualified-id}}
 313   for (int i = 0; i < 10; ++i)
 314     foo();
 315 #pragma omp parallel
 316 #pragma omp for simd reduction(&& : argc, z)
 317   for (int i = 0; i < 10; ++i)
 318     foo();
 319 #pragma omp parallel
 320 #pragma omp for simd reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
 321   for (int i = 0; i < 10; ++i)
 322     foo();
 323 #pragma omp parallel
 324 #pragma omp for simd reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{const-qualified variable cannot be reduction}} expected-error {{'operator+' is a private member of 'S2'}}
 325   for (int i = 0; i < 10; ++i)
 326     foo();
 327 #pragma omp parallel
 328 #pragma omp for simd reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 2 {{const-qualified variable cannot be reduction}}
 329   for (int i = 0; i < 10; ++i)
 330     foo();
 331 #pragma omp parallel
 332 #pragma omp for simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
 333   for (int i = 0; i < 10; ++i)
 334     foo();
 335 #pragma omp parallel
 336 #pragma omp for simd reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
 337   for (int i = 0; i < 10; ++i)
 338     foo();
 339 #pragma omp parallel
 340 #pragma omp for simd reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
 341   for (int i = 0; i < 10; ++i)
 342     foo();
 343 #pragma omp parallel
 344 #pragma omp for simd reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} omp52-warning {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
 345   for (int i = 0; i < 10; ++i)
 346     foo();
 347 #pragma omp parallel
 348 #pragma omp for simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
 349   for (int i = 0; i < 10; ++i)
 350     foo();
 351 #pragma omp parallel
 352 #pragma omp for simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
 353   for (int i = 0; i < 10; ++i)
 354     foo();
 355 #pragma omp parallel
 356 #pragma omp for simd reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
 357   for (int i = 0; i < 10; ++i)
 358     foo();
 359 #pragma omp parallel
 360 #pragma omp for simd 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')}}
 361   for (int i = 0; i < 10; ++i)
 362     foo();
 363 #pragma omp parallel
 364 #pragma omp for simd reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
 365   for (int i = 0; i < 10; ++i)
 366     foo();
 367 #pragma omp parallel
 368 #pragma omp for simd reduction(+ : o) // expected-error {{no viable overloaded '='}}
 369   for (int i = 0; i < 10; ++i)
 370     foo();
 371 #pragma omp parallel
 372 #pragma omp for simd private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 373   for (int i = 0; i < 10; ++i)
 374     foo();
 375 #pragma omp parallel private(k)
 376 #pragma omp for simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 377   for (int i = 0; i < 10; ++i)
 378     foo();
 379 #pragma omp parallel
 380 #pragma omp for simd reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
 381   for (int i = 0; i < 10; ++i)
 382     foo();
 383 #pragma omp parallel
 384 #pragma omp for simd reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
 385   for (int i = 0; i < 10; ++i)
 386     foo();
 387 #pragma omp parallel shared(i)
 388 #pragma omp parallel reduction(min : i)
 389 #pragma omp for simd reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 390   for (int i = 0; i < 10; ++i)
 391     foo();
 392 #pragma omp parallel private(fl)  // expected-note {{defined as private}}
 393 #pragma omp for simd reduction(+ : fl) // expected-error {{reduction variable must be shared}}
 394   for (int i = 0; i < 10; ++i)
 395     foo();
 396 #pragma omp parallel reduction(* : fl) // expected-note {{defined as reduction}}
 397 #pragma omp for simd reduction(+ : fl)      // expected-error {{reduction variable must be shared}}
 398   for (int i = 0; i < 10; ++i)
 399     foo();
 400   static int m;
 401 #pragma omp for simd reduction(+ : m)
 402   for (int i = 0; i < 10; ++i)
 403     m++;
 404 #pragma omp for simd reduction(task, + : m) // omp45-error 2 {{expected expression}} omp45-warning {{missing ':' after reduction identifier - ignoring}} omp50-error {{'reduction' clause with 'task' modifier allowed only on non-simd parallel or worksharing constructs}} omp52-error {{'reduction' clause with 'task' modifier allowed only on non-simd parallel or worksharing constructs}} omp60-error {{'reduction' clause with 'task' modifier allowed only on non-simd parallel or worksharing constructs}}
 405   for (int i = 0; i < 10; ++i)
 406     m++;
 407
 408   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}}
 409 }