gcc/testsuite/gcc.dg/gomp/macro-4.c

   1 /* PR preprocessor/27746 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-fopenmp -Wunknown-pragmas" } */
   4
   5 #define p               _Pragma ("omp parallel")
   6 #define omp_p           _Pragma ("omp p")
   7
   8 void bar (void);
   9
  10 void
  11 foo (void)
  12 {
  13 #pragma omp p           /* { dg-warning "ignoring #pragma omp _Pragma" } */
  14     bar ();
  15   omp_p                 /* { dg-warning "ignoring #pragma omp _Pragma" } */
  16     bar ();
  17 }
  18
  19 #define parallel        serial
  20 #define omp_parallel    _Pragma ("omp parallel")
  21
  22 void
  23 baz (void)
  24 {
  25 #pragma omp parallel    /* { dg-warning "ignoring #pragma omp serial" } */
  26     bar ();
  27   omp_parallel          /* { dg-warning "ignoring #pragma omp serial" } */
  28     bar ();
  29 }