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

   1 /* { dg-do compile } */
   2 /* { dg-options "-fopenmp" } */
   3
   4 void
   5 f1 (void)
   6 {
   7   int i, j;
   8   #pragma omp for
   9   for (i = 0; i < 3; i++)
  10     {
  11       #pragma omp for           /* { dg-warning "may not be closely nested" } */
  12       for (j = 0; j < 3; j++)
  13         ;
  14       #pragma omp sections      /* { dg-warning "may not be closely nested" } */
  15       {
  16         ;
  17       #pragma omp section
  18         ;
  19       }
  20       #pragma omp single        /* { dg-warning "may not be closely nested" } */
  21         ;
  22     #pragma omp master          /* { dg-warning "may not be closely nested" } */
  23       ;
  24       #pragma omp barrier       /* { dg-warning "may not be closely nested" } */
  25     }
  26   #pragma omp sections
  27   {
  28     #pragma omp for             /* { dg-warning "may not be closely nested" } */
  29     for (j = 0; j < 3; j++)
  30       ;
  31     #pragma omp sections        /* { dg-warning "may not be closely nested" } */
  32     {
  33       ;
  34     #pragma omp section
  35       ;
  36     }
  37     #pragma omp single          /* { dg-warning "may not be closely nested" } */
  38       ;
  39     #pragma omp master          /* { dg-warning "may not be closely nested" } */
  40       ;
  41     #pragma omp section
  42       ;
  43   }
  44   #pragma omp single
  45   {
  46     #pragma omp for             /* { dg-warning "may not be closely nested" } */
  47     for (j = 0; j < 3; j++)
  48       ;
  49     #pragma omp sections        /* { dg-warning "may not be closely nested" } */
  50     {
  51       ;
  52     #pragma omp section
  53       ;
  54     }
  55     #pragma omp single          /* { dg-warning "may not be closely nested" } */
  56       ;
  57     #pragma omp master          /* { dg-warning "may not be closely nested" } */
  58       ;
  59     #pragma omp barrier         /* { dg-warning "may not be closely nested" } */
  60   }
  61   #pragma omp master
  62   {
  63     #pragma omp for             /* { dg-warning "may not be closely nested" } */
  64     for (j = 0; j < 3; j++)
  65       ;
  66     #pragma omp sections        /* { dg-warning "may not be closely nested" } */
  67     {
  68       ;
  69     #pragma omp section
  70       ;
  71     }
  72     #pragma omp single          /* { dg-warning "may not be closely nested" } */
  73       ;
  74     #pragma omp master
  75       ;
  76     #pragma omp barrier         /* { dg-warning "may not be closely nested" } */
  77   }
  78   #pragma omp task
  79   {
  80     #pragma omp for             /* { dg-warning "may not be closely nested" } */
  81     for (j = 0; j < 3; j++)
  82       ;
  83     #pragma omp sections        /* { dg-warning "may not be closely nested" } */
  84     {
  85       ;
  86     #pragma omp section
  87       ;
  88     }
  89     #pragma omp single          /* { dg-warning "may not be closely nested" } */
  90       ;
  91     #pragma omp master          /* { dg-warning "may not be closely nested" } */
  92       ;
  93     #pragma omp barrier         /* { dg-warning "may not be closely nested" } */
  94   }
  95   #pragma omp parallel
  96   {
  97     #pragma omp for
  98     for (j = 0; j < 3; j++)
  99       ;
 100     #pragma omp sections
 101     {
 102       ;
 103     #pragma omp section
 104       ;
 105     }
 106     #pragma omp single
 107       ;
 108     #pragma omp master
 109       ;
 110     #pragma omp barrier
 111   }
 112 }
 113
 114 void
 115 f2 (void)
 116 {
 117   int i, j;
 118   #pragma omp ordered
 119   {
 120     #pragma omp for             /* { dg-warning "may not be closely nested" } */
 121     for (j = 0; j < 3; j++)
 122       ;
 123     #pragma omp sections        /* { dg-warning "may not be closely nested" } */
 124     {
 125       ;
 126     #pragma omp section
 127       ;
 128     }
 129     #pragma omp single          /* { dg-warning "may not be closely nested" } */
 130       ;
 131     #pragma omp master
 132       ;
 133     #pragma omp barrier         /* { dg-warning "may not be closely nested" } */
 134   }
 135 }
 136
 137 void
 138 f3 (void)
 139 {
 140   #pragma omp critical
 141   {
 142     #pragma omp ordered         /* { dg-warning "may not be closely nested" } */
 143       ;
 144   }
 145 }
 146
 147 void
 148 f4 (void)
 149 {
 150   #pragma omp task
 151   {
 152     #pragma omp ordered         /* { dg-warning "may not be closely nested" } */
 153       ;
 154   }
 155 }
 156
 157 void
 158 f5 (void)
 159 {
 160   int i;
 161   #pragma omp for
 162   for (i = 0; i < 10; i++)
 163     {
 164       #pragma omp ordered               /* { dg-warning "must be closely nested" } */
 165         ;
 166     }
 167   #pragma omp for ordered
 168   for (i = 0; i < 10; i++)
 169     {
 170       #pragma omp ordered
 171         ;
 172     }
 173 }
 174
 175 void
 176 f6 (void)
 177 {
 178   #pragma omp critical (foo)
 179     #pragma omp critical (bar)
 180       ;
 181   #pragma omp critical
 182     #pragma omp critical (baz)
 183       ;
 184 }
 185
 186 void
 187 f7 (void)
 188 {
 189   #pragma omp critical (foo2)
 190     #pragma omp critical
 191       ;
 192   #pragma omp critical (bar)
 193     #pragma omp critical (bar)          /* { dg-warning "may not be nested" } */
 194       ;
 195   #pragma omp critical
 196     #pragma omp critical                /* { dg-warning "may not be nested" } */
 197       ;
 198 }