clang/test/OpenMP/target_reduction_messages.cpp

   1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -ferror-limit 150 -o - %s -Wuninitialized
   2 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
   3 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
   4 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -ferror-limit 150 -o - %s -Wuninitialized
   5 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
   6 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
   7 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -ferror-limit 150 -o - %s -Wuninitialized
   8 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
   9 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
  10 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -ferror-limit 150 -o - %s -Wuninitialized
  11 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
  12 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
  13
  14 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -ferror-limit 150 -o - %s -Wuninitialized
  15 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
  16 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
  17 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -ferror-limit 150 -o - %s -Wuninitialized
  18 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
  19 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
  20 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -ferror-limit 150 -o - %s -Wuninitialized
  21 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
  22 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
  23 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -ferror-limit 150 -o - %s -Wuninitialized
  24 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
  25 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
  26
  27 typedef void **omp_allocator_handle_t;
  28 extern const omp_allocator_handle_t omp_null_allocator;
  29 extern const omp_allocator_handle_t omp_default_mem_alloc;
  30 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
  31 extern const omp_allocator_handle_t omp_const_mem_alloc;
  32 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
  33 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
  34 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
  35 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
  36 extern const omp_allocator_handle_t omp_thread_mem_alloc;
  37
  38 void xxx(int argc) {
  39   int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
  40 #pragma omp target reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
  41   for (int i = 0; i < 10; ++i)
  42     ;
  43 }
  44
  45 void foo() {
  46 }
  47
  48 bool foobool(int argc) {
  49   return argc;
  50 }
  51
  52 void foobar(int &ref) {
  53 #pragma omp target reduction(+:ref)
  54   foo();
  55 }
  56
  57 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
  58 extern S1 a;
  59 class S2 {
  60   mutable int a;
  61   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
  62
  63 public:
  64   S2() : a(0) {}
  65   S2(S2 &s2) : a(s2.a) {}
  66   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
  67   static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
  68 };
  69 const float S2::S2sc = 0;
  70 S2 b;                     // expected-note 3 {{'b' defined here}}
  71 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
  72 class S3 {
  73   int a;
  74
  75 public:
  76   int b;
  77   S3() : a(0) {}
  78   S3(const S3 &s3) : a(s3.a) {}
  79   S3 operator+(const S3 &arg1) { return arg1; }
  80 };
  81 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
  82 S3 c;               // expected-note 3 {{'c' defined here}}
  83 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
  84 extern const int f; // expected-note 4 {{'f' declared here}}
  85 class S4 {
  86   int a;
  87   S4(); // expected-note {{implicitly declared private here}}
  88   S4(const S4 &s4);
  89   S4 &operator+(const S4 &arg) { return (*this); }
  90
  91 public:
  92   S4(int v) : a(v) {}
  93 };
  94 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
  95 class S5 {
  96   int a;
  97   S5() : a(0) {} // expected-note {{implicitly declared private here}}
  98   S5(const S5 &s5) : a(s5.a) {}
  99   S5 &operator+(const S5 &arg);
 100
 101 public:
 102   S5(int v) : a(v) {}
 103 };
 104 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}}
 105 #if __cplusplus >= 201103L // C++11 or later
 106 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
 107 #endif
 108   int a;
 109
 110 public:
 111   S6() : a(6) {}
 112   operator int() { return 6; }
 113 } o;
 114
 115 S3 h, k;
 116 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
 117
 118 template <class T>       // expected-note {{declared here}}
 119 T tmain(T argc) {
 120   const T d = T();       // expected-note 4 {{'d' defined here}}
 121   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
 122   T qa[5] = {T()};
 123   T i, z;
 124   T &j = i;                    // expected-note 4 {{'j' defined here}}
 125   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
 126   const T &r = da[(int)i];     // expected-note 2 {{'r' defined here}}
 127   T &q = qa[(int)i];           // expected-note 2 {{'q' defined here}}
 128   T fl;
 129 #pragma omp target reduction // expected-error {{expected '(' after 'reduction'}}
 130   foo();
 131 #pragma omp target reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
 132   foo();
 133 #pragma omp target reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 134   foo();
 135 #pragma omp target reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 136   foo();
 137 #pragma omp target reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 138   foo();
 139 #pragma omp target reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
 140   foo();
 141 #pragma omp target reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 142   foo();
 143 #pragma omp target reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
 144   foo();
 145 #pragma omp target reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
 146   foo();
 147 #pragma omp target reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
 148   foo();
 149 #pragma omp target 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'}}
 150   foo();
 151 #pragma omp target reduction(&& : argc, z)
 152   foo();
 153 #pragma omp target reduction(^ : T) // expected-error {{'T' does not refer to a value}}
 154   foo();
 155 #pragma omp target reduction(+ : 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'}}
 156   foo();
 157 #pragma omp target 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}}
 158   foo();
 159 #pragma omp target reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
 160   foo();
 161 #pragma omp target reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
 162   foo();
 163 #pragma omp target reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
 164   foo();
 165 #pragma omp target 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}}
 166   foo();
 167 #pragma omp target reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
 168   foo();
 169 #pragma omp target reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
 170   foo();
 171 #pragma omp target reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
 172   foo();
 173 #pragma omp target reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
 174   foo();
 175 #pragma omp target reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
 176   foo();
 177 #pragma omp parallel private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 178   foo();
 179 #pragma omp parallel private(k)
 180 #pragma omp target reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 181   foo();
 182 #pragma omp target reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
 183   foo();
 184 #pragma omp target reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
 185   foo();
 186 #pragma omp parallel shared(i)
 187 #pragma omp target reduction(min : i)
 188 #pragma omp parallel reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 189   foo();
 190 #pragma omp parallel
 191 #pragma omp for private(fl)
 192   for (int i = 0; i < 10; ++i)
 193 #pragma omp target reduction(+ : fl) allocate(omp_thread_mem_alloc: fl) // expected-warning 2 {{allocator with the 'thread' trait access has unspecified behavior on 'target' directive}} omp50-error 2 {{allocator must be specified in the 'uses_allocators' clause}} omp52-error 2 {{allocator must be specified in the 'uses_allocators' clause}} omp60-error 2 {{allocator must be specified in the 'uses_allocators' clause}}
 194     foo();
 195 #pragma omp parallel
 196 #pragma omp 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'}}
 197   for (int i = 0; i < 10; ++i)
 198 #pragma omp target reduction(+ : fl)
 199     foo();
 200
 201   return T();
 202 }
 203
 204 namespace A {
 205 double x;
 206 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
 207 }
 208 namespace B {
 209 using A::x;
 210 }
 211
 212 int main(int argc, char **argv) {
 213   const int d = 5;       // expected-note 2 {{'d' defined here}}
 214   const int da[5] = {0}; // expected-note {{'da' defined here}}
 215   int qa[5] = {0};
 216   S4 e(4);
 217   S5 g(5);
 218   int i, z;
 219   int &j = i;                  // expected-note 2 {{'j' defined here}}
 220   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
 221   const int &r = da[i];        // expected-note {{'r' defined here}}
 222   int &q = qa[i];              // expected-note {{'q' defined here}}
 223   float fl;
 224 #pragma omp target reduction // expected-error {{expected '(' after 'reduction'}}
 225   foo();
 226 #pragma omp target reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
 227   foo();
 228 #pragma omp target reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 229   foo();
 230 #pragma omp target reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 231   foo();
 232 #pragma omp target reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 233   foo();
 234 #pragma omp target reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
 235   foo();
 236 #pragma omp target reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 237   foo();
 238 #pragma omp target 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'}}
 239   foo();
 240 #pragma omp target reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 241   foo();
 242 #pragma omp target reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
 243   foo();
 244 #pragma omp target reduction(~ : argc) // expected-error {{expected unqualified-id}}
 245   foo();
 246 #pragma omp target 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 '('}}
 247   foo();
 248 #pragma omp target reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
 249   foo();
 250 #pragma omp target 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'}}
 251   foo();
 252 #pragma omp target reduction(min : z, 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}}
 253   foo();
 254 #pragma omp target reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
 255   foo();
 256 #pragma omp target reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
 257   foo();
 258 #pragma omp target reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
 259   foo();
 260 #pragma omp target reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} omp52-warning {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
 261   foo();
 262 #pragma omp target reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
 263   foo();
 264 #pragma omp target reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
 265   foo();
 266 #pragma omp target reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
 267   foo();
 268 #pragma omp target 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')}}
 269   foo();
 270 #pragma omp target reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
 271   foo();
 272 #pragma omp target reduction(+ : o) // expected-error {{no viable overloaded '='}}
 273   foo();
 274 #pragma omp parallel private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 275   foo();
 276 #pragma omp parallel private(k)
 277 #pragma omp target reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 278   foo();
 279 #pragma omp target reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
 280   foo();
 281 #pragma omp target reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
 282   foo();
 283 #pragma omp parallel shared(i)
 284 #pragma omp target reduction(min : i)
 285 #pragma omp parallel reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 286   foo();
 287 #pragma omp parallel
 288 #pragma omp for private(fl)
 289   for (int i = 0; i < 10; ++i)
 290 #pragma omp target reduction(+ : fl)
 291     foo();
 292 #pragma omp parallel
 293 #pragma omp 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'}}
 294   for (int i = 0; i < 10; ++i)
 295 #pragma omp target reduction(+ : fl)
 296     foo();
 297   static int m;
 298 #pragma omp target reduction(+ : m) // OK
 299   m++;
 300 #pragma omp target 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}}
 301   m++;
 302
 303   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}}
 304 }