clang/test/OpenMP/target_teams_distribute_simd_linear_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
   2 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -DOMP52 %s -Wuninitialized
   3
   4 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
   5 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -DOMP52 %s -Wuninitialized
   6
   7 typedef void **omp_allocator_handle_t;
   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 xxx(int argc) {
  18   int i, step_sz; // expected-note {{initialize the variable 'step_sz' to silence this warning}}
  19 #pragma omp target teams distribute simd linear(i : step_sz) // expected-warning {{variable 'step_sz' is uninitialized when used here}}
  20   for (i = 0; i < 10; ++i)
  21     ;
  22 }
  23
  24 namespace X {
  25   int x;
  26 };
  27
  28 struct B {
  29   static int ib; // expected-note {{'B::ib' declared here}}
  30   static int bfoo() { return 8; }
  31 };
  32
  33 int bfoo() { return 4; }
  34
  35 int z;
  36 const int C1 = 1;
  37 const int C2 = 2;
  38 void test_linear_colons()
  39 {
  40   int B = 0;
  41
  42 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  43 #pragma omp target teams distribute simd linear(B:bfoo())
  44   for (int i = 0; i < 10; ++i) ;
  45
  46 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  47 #pragma omp target teams distribute simd linear(B::ib:B:bfoo()) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'}}
  48   for (int i = 0; i < 10; ++i) ;
  49
  50 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  51 #pragma omp target teams distribute simd linear(B:ib) // expected-error {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
  52   for (int i = 0; i < 10; ++i) ;
  53
  54 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  55 #pragma omp target teams distribute simd linear(z:B:ib) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'?}}
  56   for (int i = 0; i < 10; ++i) ;
  57
  58 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  59 #pragma omp target teams distribute simd linear(B:B::bfoo())
  60   for (int i = 0; i < 10; ++i) ;
  61
  62 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  63 #pragma omp target teams distribute simd linear(X::x : ::z)
  64   for (int i = 0; i < 10; ++i) ;
  65
  66 // expected-error@+1 3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  67 #pragma omp target teams distribute simd linear(B,::z, X::x)
  68   for (int i = 0; i < 10; ++i) ;
  69
  70 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  71 #pragma omp target teams distribute simd linear(::z)
  72   for (int i = 0; i < 10; ++i) ;
  73
  74 #pragma omp target teams distribute simd linear(B::bfoo()) // expected-error {{expected variable name}}
  75   for (int i = 0; i < 10; ++i) ;
  76
  77 // expected-error@+1 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  78 #pragma omp target teams distribute simd linear(B::ib,B:C1+C2)
  79   for (int i = 0; i < 10; ++i) ;
  80 }
  81
  82 template<int L, class T, class N> T test_template(T* arr, N num) {
  83   N i;
  84   T sum = (T)0;
  85   T ind2 = - num * L; // expected-note {{'ind2' defined here}}
  86
  87 #pragma omp target teams distribute simd linear(ind2:L) // expected-error {{argument of a linear clause should be of integral or pointer type}}
  88   for (i = 0; i < num; ++i) {
  89     T cur = arr[(int)ind2];
  90     ind2 += L;
  91     sum += cur;
  92   }
  93   return T();
  94 }
  95
  96 template<int LEN> int test_warn() {
  97   int ind2 = 0;
  98 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
  99   #pragma omp target teams distribute simd linear(ind2:LEN) // expected-warning {{zero linear step (ind2 should probably be const)}}
 100   for (int i = 0; i < 100; i++) {
 101     ind2 += LEN;
 102   }
 103   return ind2;
 104 }
 105
 106 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
 107 extern S1 a;
 108 class S2 {
 109   mutable int a;
 110 public:
 111   S2():a(0) { }
 112 };
 113 const S2 b; // expected-note 2 {{'b' defined here}}
 114 const S2 ba[5];
 115 class S3 {
 116   int a;
 117 public:
 118   S3():a(0) { }
 119 };
 120 const S3 ca[5];
 121 class S4 {
 122   int a;
 123   S4();
 124 public:
 125   S4(int v):a(v) { }
 126 };
 127 class S5 {
 128   int a;
 129   S5():a(0) {}
 130 public:
 131   S5(int v):a(v) { }
 132 };
 133
 134 S3 h;
 135 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
 136
 137 template<class I, class C> int foomain(I argc, C **argv) {
 138   I e(4);
 139   I g(5);
 140   int i;
 141   int &j = i;
 142
 143 #pragma omp target teams distribute simd linear // expected-error {{expected '(' after 'linear'}}
 144   for (int k = 0; k < argc; ++k) ++k;
 145
 146 #pragma omp target teams distribute simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 147   for (int k = 0; k < argc; ++k) ++k;
 148
 149 #pragma omp target teams distribute simd linear () // expected-error {{expected expression}}
 150   for (int k = 0; k < argc; ++k) ++k;
 151
 152 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 153 #pragma omp target teams distribute simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 154   for (int k = 0; k < argc; ++k) ++k;
 155
 156 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 157 #pragma omp target teams distribute simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 158   for (int k = 0; k < argc; ++k) ++k;
 159
 160 #pragma omp target teams distribute simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 161   for (int k = 0; k < argc; ++k) ++k;
 162
 163 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 164 #pragma omp target teams distribute simd linear (argc : 5)
 165   for (int k = 0; k < argc; ++k) ++k;
 166
 167 #pragma omp target teams distribute simd linear (S1) // expected-error {{'S1' does not refer to a value}}
 168   for (int k = 0; k < argc; ++k) ++k;
 169
 170 #pragma omp target teams distribute simd linear (a, b:B::ib) // expected-error {{linear variable with incomplete type 'S1'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
 171   for (int k = 0; k < argc; ++k) ++k;
 172
 173 #pragma omp target teams distribute simd linear (argv[1]) // expected-error {{expected variable name}}
 174   for (int k = 0; k < argc; ++k) ++k;
 175
 176 // expected-error@+1 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 177 #pragma omp target teams distribute simd linear(e, g)
 178   for (int k = 0; k < argc; ++k) ++k;
 179
 180 #pragma omp target teams distribute simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
 181   for (int k = 0; k < argc; ++k) ++k;
 182
 183 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 184 #pragma omp target teams distribute simd linear(i)
 185   for (int k = 0; k < argc; ++k) ++k;
 186
 187   return 0;
 188 }
 189
 190 namespace A {
 191 double x;
 192 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
 193 }
 194 namespace C {
 195 using A::x;
 196 }
 197
 198 int main(int argc, char **argv) {
 199   double darr[100];
 200   // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
 201   test_template<-4>(darr, 4);
 202   // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
 203   test_warn<0>();
 204
 205   S4 e(4); // expected-note {{'e' defined here}}
 206   S5 g(5); // expected-note {{'g' defined here}}
 207   int i;
 208   int &j = i;
 209
 210 #pragma omp target teams distribute simd linear // expected-error {{expected '(' after 'linear'}}
 211   for (int k = 0; k < argc; ++k) ++k;
 212
 213 #pragma omp target teams distribute simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 214   for (int k = 0; k < argc; ++k) ++k;
 215
 216 #pragma omp target teams distribute simd linear () // expected-error {{expected expression}}
 217   for (int k = 0; k < argc; ++k) ++k;
 218
 219 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 220 #pragma omp target teams distribute simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
 221   for (int k = 0; k < argc; ++k) ++k;
 222
 223 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 224 #pragma omp target teams distribute simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 225   for (int k = 0; k < argc; ++k) ++k;
 226
 227 #pragma omp target teams distribute simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
 228   for (int k = 0; k < argc; ++k) ++k;
 229
 230 // expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
 231 #pragma omp target teams distribute simd linear (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 '('}}
 232   for (int k = 0; k < argc; ++k) ++k;
 233
 234 #pragma omp target teams distribute simd linear (S1) // expected-error {{'S1' does not refer to a value}}
 235   for (int k = 0; k < argc; ++k) ++k;
 236
 237
 238 #pragma omp target teams distribute simd linear (a, b) // expected-error {{linear variable with incomplete type 'S1'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
 239   for (int k = 0; k < argc; ++k) ++k;
 240
 241 #pragma omp target teams distribute simd linear (argv[1]) // expected-error {{expected variable name}}
 242   for (int k = 0; k < argc; ++k) ++k;
 243
 244 #pragma omp target teams distribute simd linear(e, g) // expected-error {{argument of a linear clause should be of integral or pointer type, not 'S4'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S5'}}
 245   for (int k = 0; k < argc; ++k) ++k;
 246
 247 #pragma omp target teams distribute simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
 248   for (int k = 0; k < argc; ++k) ++k;
 249
 250   foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
 251   return 0;
 252 }
 253