1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
! { dg-additional-options "-O2" }
! { dg-additional-options "-fdump-tree-parloops1-all" }
! { dg-additional-options "-fdump-tree-optimized" }
program main
implicit none
integer, parameter :: n = 1024
integer, dimension (0:n-1) :: a, b, c
integer :: i, ii
!$acc enter data create (a(0:n-1))
!$acc kernels present (a(0:n-1))
do i = 0, n - 1
a(i) = i * 2
end do
!$acc end kernels
!$acc exit data copyout (a(0:n-1))
!$acc enter data create (b(0:n-1))
!$acc kernels present (b(0:n-1))
do i = 0, n -1
b(i) = i * 4
end do
!$acc end kernels
!$acc exit data copyout (b(0:n-1))
!$acc enter data copyin (a(0:n-1), b(0:n-1)) create (c(0:n-1))
!$acc kernels present (a(0:n-1), b(0:n-1), c(0:n-1))
do ii = 0, n - 1
c(ii) = a(ii) + b(ii)
end do
!$acc end kernels
!$acc exit data copyout (c(0:n-1))
do i = 0, n - 1
if (c(i) .ne. a(i) + b(i)) STOP 1
end do
end program main
! Check that only three loops are analyzed, and that all can be parallelized.
! { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops1" } }
! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 3 "parloops1" } }
! { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } }
! Check that the loop has been split off into a function.
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.0 " 1 "optimized" } }
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.1 " 1 "optimized" } }
! { dg-final { scan-tree-dump-times "(?n);; Function MAIN__._omp_fn.2 " 1 "optimized" } }
|
