gcc/testsuite/c-c++-common/gomp/pr81887.c

   1 /* PR c/81887 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-fno-openmp -fopenmp-simd -fdump-tree-gimple" } */
   4 /* { dg-final { scan-tree-dump-times "#pragma omp simd" 2 "gimple" } } */
   5 /* { dg-final { scan-tree-dump-times "#pragma omp ordered simd\[ \t]*\[\n\r]" 2 "gimple" } } */
   6 /* { dg-final { scan-tree-dump-times "#pragma omp" 4 "gimple" } } */
   7
   8 void
   9 f1 (int *x)
  10 {
  11   int i;
  12 #pragma omp simd
  13   for (i = 0; i < 100; i++)
  14   #pragma omp ordered simd
  15     x[i / 2] = i;
  16 }
  17
  18 void
  19 f2 (int *x)
  20 {
  21   int i;
  22 #pragma omp parallel for simd ordered
  23   for (i = 0; i < 100; i++)
  24     #pragma omp ordered threads simd
  25       x[i / 2] = i;
  26 }
  27
  28 void
  29 f3 (int *x)
  30 {
  31   int i;
  32 #pragma omp parallel for ordered
  33   for (i = 0; i < 100; i++)
  34     #pragma omp ordered
  35       x[i / 2] = i;
  36 }
  37
  38 void
  39 f4 (int *x)
  40 {
  41   int i;
  42 #pragma omp parallel for ordered
  43   for (i = 0; i < 100; i++)
  44     #pragma omp ordered threads
  45       x[i / 2] = i;
  46 }
  47
  48 void
  49 f5 (int n, int ***x)
  50 {
  51   int i, j, k;
  52 #pragma omp parallel for ordered(3)
  53   for (i=0; i < n; i++)
  54     for (j=0; j < n; ++j)
  55       for (k=0; k < n; ++k)
  56         {
  57 #pragma omp ordered depend(sink:i-8,j-2,k+2) depend(sink:i, j-1,k) depend(sink:i-4,j-3,k+6) depend(sink:i-6,j-4,k-6)
  58           x[i][j][k] = i + j + k;
  59 #pragma omp ordered depend(source)
  60         }
  61 }