gcc/testsuite/gcc.dg/gomp/sharing-1.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target tls } */
   3
   4 #include <stdlib.h>
   5
   6 int thrglobalvar;
   7 #pragma omp threadprivate (thrglobalvar)
   8 int globalvar;
   9 const int constvar = 8;
  10
  11 int
  12 foo (int x)
  13 {
  14   return x;
  15 }
  16
  17 int
  18 bar (int *x)
  19 {
  20   return *x;
  21 }
  22
  23 int
  24 main (void)
  25 {
  26   static int thrlocvar;
  27 #pragma omp threadprivate (thrlocvar)
  28   static int locvar;
  29   static int *p;
  30   int i, j, s, l;
  31
  32   p = malloc (sizeof (int));
  33   if (p == NULL)
  34     return 0;
  35   *p = 7;
  36   s = 6;
  37   l = 0;
  38 #pragma omp parallel for /* { dg-error "enclosing 'parallel'" } */ \
  39   default (none) private (p) shared (s)
  40   for (i = 0; i < 64; i++)
  41     {
  42       int k = foo (0);  /* Predetermined - private (automatic var declared */
  43       k++;              /* in scope of construct).  */
  44       thrglobalvar++;   /* Predetermined - threadprivate.  */
  45       thrlocvar++;      /* Predetermined - threadprivate.  */
  46       foo (i);          /* Predetermined - private (omp for loop variable).  */
  47       foo (constvar);   /* { dg-error "not specified in" } */
  48       foo (*p);         /* *p predetermined - shared (heap allocated */
  49       (*p)++;           /* storage).  */
  50       bar (p);          /* Explicitly determined - private.  */
  51       foo (s);          /* Explicitly determined - shared.  */
  52       globalvar++;      /* { dg-error "not specified in" } */
  53       locvar++;         /* { dg-error "not specified in" } */
  54       l++;              /* { dg-error "not specified in" } */
  55       for (j = 0; j < 2; j++); /* { dg-error "not specified in" } */
  56     }
  57   return 0;
  58 }