clang/test/OpenMP/target_parallel_for_firstprivate_messages.cpp

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