gcc/testsuite/gcc.dg/gomp/workshare-reduction-26.c


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/* { dg-do compile } */
/* { dg-options "-O2 -fopenmp -fdump-tree-optimized" } */
/* { dg-final { scan-tree-dump-times "__builtin_GOMP_loop_ull_start \[^\n\r]*, 0, 0, " 1 "optimized" } } */
/* { dg-final { scan-tree-dump-times "__builtin_GOMP_loop_end " 1 "optimized" } } */
/* { dg-final { scan-tree-dump-times "__builtin_GOMP_loop_ull_maybe_nonmonotonic_runtime_next " 1 "optimized" } } */
/* { dg-final { scan-tree-dump-times "__builtin_GOMP_workshare_task_reduction_unregister \\(0\\)" 1 "optimized" } } */
/* { dg-final { scan-tree-dump-times "__builtin_GOMP_parallel " 1 "optimized" } } */

unsigned long long int j;
void bar (unsigned long long int *);

void
foo (unsigned long long int a, unsigned long long int b, unsigned long long int c)
{
  unsigned long long int i;
  #pragma omp parallel
  #pragma omp for reduction (task, *: j) schedule (runtime)
  for (i = a; i < b; i += c)
    {
      j++;
      bar (&j);
    }
}