clang/test/OpenMP/target_teams_distribute_parallel_for_simd_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 %s -Wuninitialized
   2
   3 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 %s -Wuninitialized
   4
   5 void xxx(int argc) {
   6   int x; // expected-note {{initialize the variable 'x' to silence this warning}}
   7 #pragma omp target teams distribute parallel for simd
   8   for (int i = 0; i < 10; ++i)
   9     argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
  10 }
  11
  12 void foo() {
  13 }
  14
  15 static int pvt;
  16 #pragma omp threadprivate(pvt)
  17
  18 #pragma omp target teams distribute parallel for simd // expected-error {{unexpected OpenMP directive '#pragma omp target teams distribute parallel for simd'}}
  19
  20 int main(int argc, char **argv) {
  21 #pragma omp target teams distribute parallel for simd { // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute parallel for simd' are ignored}}
  22   for (int i = 0; i < argc; ++i)
  23     foo();
  24 #pragma omp target teams distribute parallel for simd ( // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute parallel for simd' are ignored}}
  25   for (int i = 0; i < argc; ++i)
  26     foo();
  27 #pragma omp target teams distribute parallel for simd[ // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute parallel for simd' are ignored}}
  28   for (int i = 0; i < argc; ++i)
  29     foo();
  30 #pragma omp target teams distribute parallel for simd] // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute parallel for simd' are ignored}}
  31   for (int i = 0; i < argc; ++i)
  32     foo();
  33 #pragma omp target teams distribute parallel for simd) // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute parallel for simd' are ignored}}
  34   for (int i = 0; i < argc; ++i)
  35     foo();
  36 #pragma omp target teams distribute parallel for simd } // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute parallel for simd' are ignored}}
  37   for (int i = 0; i < argc; ++i)
  38     foo();
  39 #pragma omp target teams distribute parallel for simd
  40   for (int i = 0; i < argc; ++i)
  41     foo();
  42
  43 // expected-warning@+1 {{extra tokens at the end of '#pragma omp target teams distribute parallel for simd' are ignored}}
  44 #pragma omp target teams distribute parallel for simd unknown()
  45   for (int i = 0; i < argc; ++i)
  46     foo();
  47 L1:
  48   for (int i = 0; i < argc; ++i)
  49     foo();
  50 #pragma omp target teams distribute parallel for simd
  51   for (int i = 0; i < argc; ++i)
  52     foo();
  53 #pragma omp target teams distribute parallel for simd
  54   for (int i = 0; i < argc; ++i) {
  55     goto L1; // expected-error {{use of undeclared label 'L1'}}
  56     argc++;
  57   }
  58
  59   for (int i = 0; i < 10; ++i) {
  60     switch (argc) {
  61     case (0):
  62 #pragma omp target teams distribute parallel for simd
  63       for (int i = 0; i < argc; ++i) {
  64         foo();
  65         break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
  66         continue;
  67       }
  68     default:
  69       break;
  70     }
  71   }
  72 #pragma omp target teams distribute parallel for simd default(none) // expected-note {{explicit data sharing attribute requested here}}
  73   for (int i = 0; i < 10; ++i)
  74     ++argc; // expected-error {{ariable 'argc' must have explicitly specified data sharing attributes}}
  75
  76   goto L2; // expected-error {{use of undeclared label 'L2'}}
  77 #pragma omp target teams distribute parallel for simd
  78   for (int i = 0; i < argc; ++i)
  79   L2:
  80   foo();
  81 #pragma omp target teams distribute parallel for simd
  82   for (int i = 0; i < argc; ++i) {
  83     return 1; // expected-error {{cannot return from OpenMP region}}
  84   }
  85
  86   [[]] // expected-error {{an attribute list cannot appear here}}
  87 #pragma omp target teams distribute parallel for simd
  88       for (int n = 0; n < 100; ++n) {
  89   }
  90
  91 #pragma omp target teams distribute parallel for simd copyin(pvt) // expected-error {{unexpected OpenMP clause 'copyin' in directive '#pragma omp target teams distribute parallel for simd'}}
  92   for (int n = 0; n < 100; ++n) {}
  93
  94   return 0;
  95 }
  96
  97 void test_ordered() {
  98 #pragma omp target teams distribute parallel for simd ordered // expected-error {{unexpected OpenMP clause 'ordered' in directive '#pragma omp target teams distribute parallel for simd'}}
  99   for (int i = 0; i < 16; ++i)
 100     ;
 101 }
 102