clang/test/OpenMP/target_teams_reduction_messages.cpp

   1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -o - %s -Wuninitialized
   2 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 -o - %s -Wuninitialized
   3 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 -o - %s -Wuninitialized
   4 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -o - %s -Wuninitialized
   5 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -std=c++98 -o - %s -Wuninitialized
   6 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -std=c++11 -o - %s -Wuninitialized
   7 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -o - %s -Wuninitialized
   8 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++98 -o - %s -Wuninitialized
   9 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++11 -o - %s -Wuninitialized
  10 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -o - %s -Wuninitialized
  11 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++98 -o - %s -Wuninitialized
  12 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++11 -o - %s -Wuninitialized
  13
  14 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -o - %s -Wuninitialized
  15 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 -o - %s -Wuninitialized
  16 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 -o - %s -Wuninitialized
  17 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -o - %s -Wuninitialized
  18 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -std=c++98 -o - %s -Wuninitialized
  19 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -std=c++11 -o - %s -Wuninitialized
  20 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -o - %s -Wuninitialized
  21 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++98 -o - %s -Wuninitialized
  22 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++11 -o - %s -Wuninitialized
  23 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -o - %s -Wuninitialized
  24 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++98 -o - %s -Wuninitialized
  25 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++11 -o - %s -Wuninitialized
  26
  27 #pragma omp requires dynamic_allocators
  28 typedef void **omp_allocator_handle_t;
  29 extern const omp_allocator_handle_t omp_null_allocator;
  30 extern const omp_allocator_handle_t omp_default_mem_alloc;
  31 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
  32 extern const omp_allocator_handle_t omp_const_mem_alloc;
  33 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
  34 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
  35 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
  36 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
  37 extern const omp_allocator_handle_t omp_thread_mem_alloc;
  38
  39 void xxx(int argc) {
  40   int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
  41 #pragma omp target teams reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
  42   for (int i = 0; i < 10; ++i)
  43     ;
  44 }
  45
  46 void foo() {
  47 }
  48
  49 bool foobool(int argc) {
  50   return argc;
  51 }
  52
  53 void foobar(int &ref) {
  54 #pragma omp target teams reduction(+:ref)
  55   foo();
  56 }
  57
  58 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
  59 extern S1 a;
  60 class S2 {
  61   mutable int a;
  62   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
  63
  64 public:
  65   S2() : a(0) {}
  66   S2(S2 &s2) : a(s2.a) {}
  67   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
  68   static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
  69 };
  70 const float S2::S2sc = 0;
  71 S2 b;                     // expected-note 3 {{'b' defined here}}
  72 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
  73 class S3 {
  74   int a;
  75
  76 public:
  77   int b;
  78   S3() : a(0) {}
  79   S3(const S3 &s3) : a(s3.a) {}
  80   S3 operator+(const S3 &arg1) { return arg1; }
  81 };
  82 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
  83 S3 c;               // expected-note 3 {{'c' defined here}}
  84 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
  85 extern const int f; // expected-note 4 {{'f' declared here}}
  86 class S4 {
  87   int a;
  88   S4(); // expected-note {{implicitly declared private here}}
  89   S4(const S4 &s4);
  90   S4 &operator+(const S4 &arg) { return (*this); }
  91
  92 public:
  93   S4(int v) : a(v) {}
  94 };
  95 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
  96 class S5 {
  97   int a;
  98   S5() : a(0) {} // expected-note {{implicitly declared private here}}
  99   S5(const S5 &s5) : a(s5.a) {}
 100   S5 &operator+(const S5 &arg);
 101
 102 public:
 103   S5(int v) : a(v) {}
 104 };
 105 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}}
 106 #if __cplusplus >= 201103L // C++11 or later
 107 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
 108 #endif
 109   int a;
 110
 111 public:
 112   S6() : a(6) {}
 113   operator int() { return 6; }
 114 } o;
 115
 116 S3 h, k;
 117 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
 118
 119 template <class T>       // expected-note {{declared here}}
 120 T tmain(T argc) {
 121   const T d = T();       // expected-note 4 {{'d' defined here}}
 122   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
 123   T qa[5] = {T()};
 124   T i, z;
 125   T &j = i;                    // expected-note 4 {{'j' defined here}}
 126   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
 127   const T &r = da[(int)i];     // expected-note 2 {{'r' defined here}}
 128   T &q = qa[(int)i];           // expected-note 2 {{'q' defined here}}
 129   T fl;
 130 #pragma omp target teams reduction // expected-error {{expected '(' after 'reduction'}}
 131   foo();
 132 #pragma omp target teams reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}
 133   foo();
 134 #pragma omp target teams reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 135   foo();
 136 #pragma omp target teams reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 137   foo();
 138 #pragma omp target teams reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 139   foo();
 140 #pragma omp target teams reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
 141   foo();
 142 #pragma omp target teams reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 143   foo();
 144 #pragma omp target teams reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
 145   foo();
 146 #pragma omp target teams reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
 147   foo();
 148 #pragma omp target teams reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
 149   foo();
 150 #pragma omp target teams 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'}} omp51-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp51-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'}}
 151   foo();
 152 #pragma omp target teams 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 '('}}
 153   foo();
 154 #pragma omp target teams reduction(^ : T) // expected-error {{'T' does not refer to a value}}
 155   foo();
 156 #pragma omp target teams 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'}}
 157   foo();
 158 #pragma omp target teams 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}}
 159   foo();
 160 #pragma omp target teams reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
 161   foo();
 162 #pragma omp target teams reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
 163   foo();
 164 #pragma omp target teams reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
 165   foo();
 166 #pragma omp target teams 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}}
 167   foo();
 168 #pragma omp target teams reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
 169   foo();
 170 #pragma omp target teams reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
 171   foo();
 172 #pragma omp target teams reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
 173   foo();
 174 #pragma omp target teams reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
 175   foo();
 176 #pragma omp target teams reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
 177   foo();
 178 #pragma omp target teams private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 179   foo();
 180 #pragma omp parallel private(k)
 181 #pragma omp target teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 182   foo();
 183 #pragma omp target teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
 184   foo();
 185 #pragma omp target teams reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
 186   foo();
 187 #pragma omp parallel shared(i)
 188 #pragma omp parallel reduction(min : i)
 189 #pragma omp target teams reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 190   foo();
 191 #pragma omp target teams
 192 #pragma omp parallel for private(fl)
 193   for (int i = 0; i < 10; ++i)
 194   {}
 195 #pragma omp target teams reduction(+ : fl) allocate(omp_thread_mem_alloc: fl) // expected-warning 2 {{allocator with the 'thread' trait access has unspecified behavior on 'target teams' directive}}
 196     foo();
 197 #pragma omp target teams
 198 #pragma omp parallel for reduction(- : fl) // omp52-warning 3 {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}} omp60-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'}}
 199   for (int i = 0; i < 10; ++i)
 200   {}
 201 #pragma omp target teams reduction(+ : fl)
 202     foo();
 203
 204   return T();
 205 }
 206
 207 namespace A {
 208 double x;
 209 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
 210 }
 211 namespace B {
 212 using A::x;
 213 }
 214
 215 int main(int argc, char **argv) {
 216   const int d = 5;       // expected-note 2 {{'d' defined here}}
 217   const int da[5] = {0}; // expected-note {{'da' defined here}}
 218   int qa[5] = {0};
 219   S4 e(4);
 220   S5 g(5);
 221   int i, z;
 222   int &j = i;                  // expected-note 2 {{'j' defined here}}
 223   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
 224   const int &r = da[i];        // expected-note {{'r' defined here}}
 225   int &q = qa[i];              // expected-note {{'q' defined here}}
 226   float fl;
 227 #pragma omp target teams reduction // expected-error {{expected '(' after 'reduction'}}
 228   foo();
 229 #pragma omp target teams reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}
 230   foo();
 231 #pragma omp target teams reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 232   foo();
 233 #pragma omp target teams reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 234   foo();
 235 #pragma omp target teams reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 236   foo();
 237 #pragma omp target teams reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
 238   foo();
 239 #pragma omp target teams reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 240   foo();
 241 #pragma omp target teams reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp51-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'}}
 242   foo();
 243 #pragma omp target teams reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 244   foo();
 245 #pragma omp target teams reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
 246   foo();
 247 #pragma omp target teams reduction(~ : argc) // expected-error {{expected unqualified-id}}
 248   foo();
 249 #pragma omp target teams reduction(&& : argc, z)
 250   foo();
 251 #pragma omp target teams reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
 252   foo();
 253 #pragma omp target teams 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'}}
 254   foo();
 255 #pragma omp target teams 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}}
 256   foo();
 257 #pragma omp target teams reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
 258   foo();
 259 #pragma omp target teams reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
 260   foo();
 261 #pragma omp target teams reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
 262   foo();
 263 #pragma omp target teams reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} omp52-warning {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
 264   foo();
 265 #pragma omp target teams reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
 266   foo();
 267 #pragma omp target teams reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
 268   foo();
 269 #pragma omp target teams reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
 270   foo();
 271 #pragma omp target teams 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')}}
 272   foo();
 273 #pragma omp target teams reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
 274   foo();
 275 #pragma omp target teams reduction(+ : o) // expected-error {{no viable overloaded '='}}
 276   foo();
 277 #pragma omp target teams private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 278   foo();
 279 #pragma omp parallel private(k)
 280 #pragma omp target teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 281   foo();
 282 #pragma omp target teams reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
 283   foo();
 284 #pragma omp target teams reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
 285   foo();
 286 #pragma omp parallel shared(i)
 287 #pragma omp parallel reduction(min : i)
 288 #pragma omp target teams reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 289   foo();
 290 #pragma omp target teams
 291 #pragma omp parallel for private(fl)
 292   for (int i = 0; i < 10; ++i)
 293   {}
 294 #pragma omp target teams reduction(+ : fl)
 295     foo();
 296 #pragma omp target teams
 297 #pragma omp parallel for reduction(- : fl) // omp52-warning {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}} omp60-error{{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}}
 298   for (int i = 0; i < 10; ++i)
 299   {}
 300 #pragma omp target teams reduction(+ : fl)
 301     foo();
 302   static int m;
 303 #pragma omp target teams reduction(+ : m) // OK
 304   foo();
 305 #pragma omp target teams reduction(task, + : m) // omp45-error 2 {{expected expression}} omp45-warning {{missing ':' after reduction identifier - ignoring}} omp51-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}}
 306   foo();
 307
 308   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}}
 309 }