clang/test/OpenMP/parallel_default_messages.cpp

   1 // RUN: %clang_cc1 -verify=expected,ge40 -fopenmp-version=45 -fopenmp -ferror-limit 100 -o - %s -Wuninitialized
   2 // RUN: %clang_cc1 -verify=expected,ge40 -fopenmp-version=50 -fopenmp-simd -ferror-limit 100 -o - %s -Wuninitialized
   3 // RUN: %clang_cc1 -verify=expected,ge40 -fopenmp-version=50 -fopenmp -ferror-limit 100 -o - %s -Wuninitialized
   4 // RUN: %clang_cc1 -verify=expected,ge40 -fopenmp-version=40 -fopenmp -ferror-limit 100 -o - %s -Wuninitialized
   5 // RUN: %clang_cc1 -verify -fopenmp-version=31 -fopenmp -ferror-limit 100 -o - %s -Wuninitialized
   6 // RUN: %clang_cc1 -verify -fopenmp-version=30 -fopenmp -ferror-limit 100 -o - %s -Wuninitialized
   7 // RUN: %clang_cc1 -verify=expected,ge40 -fopenmp -DOMP51 -ferror-limit 100 -o - %s -Wuninitialized
   8 // RUN: %clang_cc1 -verify=expected,ge40 -fopenmp-simd -DOMP51 -ferror-limit 100 -o - %s -Wuninitialized
   9
  10 void foo();
  11
  12 namespace {
  13 static int y = 0;
  14 }
  15 static int x = 0;
  16
  17 int main(int argc, char **argv) {
  18   const int c = 0;
  19
  20   #pragma omp parallel default // expected-error {{expected '(' after 'default'}}
  21 #pragma omp parallel default(  // expected-error {{expected 'none', 'shared', 'private' or 'firstprivate' in OpenMP clause 'default'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
  22 #pragma omp parallel default() // expected-error {{expected 'none', 'shared', 'private' or 'firstprivate' in OpenMP clause 'default'}}
  23 #pragma omp parallel default(none                     // expected-error {{expected ')'}} expected-note {{to match this '('}}
  24 #pragma omp parallel default(shared), default(shared) // expected-error {{directive '#pragma omp parallel' cannot contain more than one 'default' clause}}
  25   foo();
  26
  27   #pragma omp parallel default(none) // expected-note {{explicit data sharing attribute requested here}}
  28   ++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}
  29
  30   #pragma omp parallel default(none) // expected-note {{explicit data sharing attribute requested here}}
  31   #pragma omp parallel default(shared)
  32   ++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}
  33
  34   #pragma omp parallel default(none) // ge40-note {{explicit data sharing attribute requested here}}
  35   (void)c; // ge40-error {{variable 'c' must have explicitly specified data sharing attributes}}
  36
  37 #ifdef OMP51
  38 #pragma omp parallel default(firstprivate) // expected-note 2 {{explicit data sharing attribute requested here}}
  39   {
  40     ++x; // expected-error {{variable 'x' must have explicitly specified data sharing attributes}}
  41     ++y; // expected-error {{variable 'y' must have explicitly specified data sharing attributes}}
  42   }
  43 #pragma omp parallel default(private) // expected-note 2 {{explicit data sharing attribute requested here}}
  44   {
  45     ++x; // expected-error {{variable 'x' must have explicitly specified data sharing attributes}}
  46     ++y; // expected-error {{variable 'y' must have explicitly specified data sharing attributes}}
  47   }
  48 #endif
  49
  50   return 0;
  51 }
  52
  53 class A{
  54   void a() {
  55     #pragma omp parallel
  56     a(b); // expected-error {{use of undeclared identifier 'b'}}
  57  }
  58 };