gcc/testsuite/gcc.dg/gomp/workshare-reduction-33.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fopenmp -fdump-tree-optimized" } */
   3 /* { dg-final { scan-tree-dump-times "__builtin_GOMP_loop_start \[^\n\r]*, (?:2147483649|-2147483647), 0, 0B, 0B, " 1 "optimized" } } */
   4 /* { dg-final { scan-tree-dump-times "__builtin_GOMP_loop_end " 1 "optimized" } } */
   5 /* { dg-final { scan-tree-dump-not "__builtin_GOMP_loop_ull\[^\n\r]*_next " "optimized" } } */
   6 /* { dg-final { scan-tree-dump-times "__builtin_GOMP_workshare_task_reduction_unregister \\(0\\)" 1 "optimized" } } */
   7 /* { dg-final { scan-tree-dump-times "__builtin_GOMP_parallel " 1 "optimized" } } */
   8
   9 unsigned long long int j;
  10 void bar (unsigned long long int *);
  11
  12 void
  13 foo (unsigned long long int a, unsigned long long int b, unsigned long long int c)
  14 {
  15   unsigned long long int i;
  16   #pragma omp parallel
  17   #pragma omp for reduction (task, *: j) schedule (static, 2)
  18   for (i = a; i < b; i += c)
  19     {
  20       j++;
  21       bar (&j);
  22     }
  23 }