clang/test/OpenMP/taskgroup_messages.cpp

   1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
   2
   3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
   4
   5 void xxx(int argc) {
   6   int x; // expected-note {{initialize the variable 'x' to silence this warning}}
   7 #pragma omp taskgroup
   8   argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
   9 }
  10
  11 int foo();
  12
  13 int main() {
  14   #pragma omp taskgroup
  15   ;
  16   #pragma omp taskgroup unknown // expected-warning {{extra tokens at the end of '#pragma omp taskgroup' are ignored}}
  17   foo();
  18   {
  19     #pragma omp taskgroup
  20   } // expected-error {{expected statement}}
  21   #pragma omp taskgroup
  22   #pragma omp taskgroup
  23   for (int i = 0; i < 10; ++i) {
  24     foo();
  25     #pragma omp parallel
  26     #pragma omp for
  27     for (int j = 0; j < 10; j++) {
  28       foo();
  29       #pragma omp taskgroup
  30       foo();
  31     }
  32   }
  33   #pragma omp taskgroup
  34   #pragma omp taskgroup
  35   for (int i = 0; i < 10; ++i) {
  36     foo();
  37     #pragma omp parallel
  38     #pragma omp for
  39     for (int j = 0; j < 10; j++) {
  40       #pragma omp taskgroup
  41       foo();
  42     }
  43   }
  44   #pragma omp taskgroup
  45   #pragma omp taskgroup
  46   for (int i = 0; i < 10; ++i) {
  47     foo();
  48     #pragma omp parallel
  49     #pragma omp for
  50     for (int j = 0; j < 10; j++) {
  51       #pragma omp taskgroup
  52       foo();
  53     }
  54   }
  55
  56   return 0;
  57 }
  58
  59 int foo() {
  60   L1:
  61     foo();
  62   #pragma omp taskgroup
  63   {
  64     foo();
  65     goto L1; // expected-error {{use of undeclared label 'L1'}}
  66   }
  67   goto L2; // expected-error {{use of undeclared label 'L2'}}
  68   #pragma omp taskgroup
  69   {
  70     L2:
  71     foo();
  72   }
  73
  74 #pragma omp taskgroup initi // expected-warning {{extra tokens at the end of '#pragma omp taskgroup' are ignored}}
  75   ;
  76   return 0;
  77 }