blob: 669cd43811339174fa89694cdf57dce466f1f997 [file] [log] [blame]
/* { dg-additional-options "-fdump-tree-gimple" } */
/* double reductions. */
#define n 1000
int
main(void)
{
int i;
double result, array[n];
int lresult;
/* '+' reductions. */
#pragma acc parallel
#pragma acc loop gang worker vector reduction (+:result)
for (i = 0; i < n; i++)
result += array[i];
/* '*' reductions. */
#pragma acc parallel
#pragma acc loop gang worker vector reduction (*:result)
for (i = 0; i < n; i++)
result *= array[i];
/* 'max' reductions. */
#pragma acc parallel
#pragma acc loop gang worker vector reduction (max:result)
for (i = 0; i < n; i++)
result = result > array[i] ? result : array[i];
/* 'min' reductions. */
#pragma acc parallel
#pragma acc loop gang worker vector reduction (min:result)
for (i = 0; i < n; i++)
result = result < array[i] ? result : array[i];
/* '&&' reductions. */
#pragma acc parallel
#pragma acc loop gang worker vector reduction (&&:lresult)
for (i = 0; i < n; i++)
lresult = lresult && (result > array[i]);
/* '||' reductions. */
#pragma acc parallel
#pragma acc loop gang worker vector reduction (||:lresult)
for (i = 0; i < n; i++)
lresult = lresult || (result > array[i]);
return 0;
}
/* Check that default copy maps are generated for loop reductions. */
/* { dg-final { scan-tree-dump-times "map\\(tofrom:result \\\[len: \[0-9\]+\\\]\\)" 4 "gimple" } } */
/* { dg-final { scan-tree-dump-times "map\\(tofrom:lresult \\\[len: \[0-9\]+\\\]\\)" 2 "gimple" } } */