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! Exercise nested function decomposition, gcc/tree-nested.c.
! { dg-do run }
program sub_collapse_3
call test1
call test2 (2, 6, -2, 4, 13, 18)
call test3 (2, 6, -2, 4, 13, 18, 1, 1, 1)
call test4
call test5 (2, 6, -2, 4, 13, 18)
call test6 (2, 6, -2, 4, 13, 18, 1, 1, 1)
contains
subroutine test1
integer :: a(3,3,3), k, kk, kkk, l, ll, lll
!$acc parallel
!$acc loop collapse(3)
do 115 k=1,3
dokk: do kk=1,3
do kkk=1,3
a(k,kk,kkk) = 1
enddo
enddo dokk
115 continue
!$acc end parallel
if (any(a(1:3,1:3,1:3).ne.1)) STOP 1
!$acc parallel
!$acc loop collapse(3)
dol: do 120 l=1,3
doll: do ll=1,3
do lll=1,3
a(l,ll,lll) = 2
enddo
enddo doll
120 end do dol
!$acc end parallel
if (any(a(1:3,1:3,1:3).ne.2)) STOP 2
end subroutine test1
subroutine test2(v1, v2, v3, v4, v5, v6)
integer :: i, j, k, a(1:7, -3:5, 12:19), b(1:7, -3:5, 12:19)
integer :: v1, v2, v3, v4, v5, v6
logical :: l, r
l = .false.
r = .false.
a(:, :, :) = 0
b(:, :, :) = 0
!$acc parallel pcopyin (v1, v2, v3, v4, v5, v6) reduction (.or.:l)
!$acc loop reduction (.or.:l) collapse (3)
do i = v1, v2
do j = v3, v4
do k = v5, v6
l = l.or.i.lt.2.or.i.gt.6.or.j.lt.-2.or.j.gt.4
l = l.or.k.lt.13.or.k.gt.18
if (.not.l) a(i, j, k) = a(i, j, k) + 1
end do
end do
end do
!$acc end parallel
do i = v1, v2
do j = v3, v4
do k = v5, v6
r = r.or.i.lt.2.or.i.gt.6.or.j.lt.-2.or.j.gt.4
r = r.or.k.lt.13.or.k.gt.18
if (.not.l) b(i, j, k) = b(i, j, k) + 1
end do
end do
end do
if (l .neqv. r) STOP 3
do i = v1, v2
do j = v3, v4
do k = v5, v6
if (a(i, j, k) .ne. b(i, j, k)) STOP 4
end do
end do
end do
end subroutine test2
subroutine test3(v1, v2, v3, v4, v5, v6, v7, v8, v9)
integer :: i, j, k, a(1:7, -3:5, 12:19), b(1:7, -3:5, 12:19)
integer :: v1, v2, v3, v4, v5, v6, v7, v8, v9
logical :: l, r
l = .false.
r = .false.
a(:, :, :) = 0
b(:, :, :) = 0
!$acc parallel pcopyin (v1, v2, v3, v4, v5, v6, v7, v8, v9) reduction (.or.:l)
!$acc loop reduction (.or.:l) collapse (3)
do i = v1, v2, v7
do j = v3, v4, v8
do k = v5, v6, v9
l = l.or.i.lt.2.or.i.gt.6.or.j.lt.-2.or.j.gt.4
l = l.or.k.lt.13.or.k.gt.18
if (.not.l) a(i, j, k) = a(i, j, k) + 1
end do
end do
end do
!$acc end parallel
do i = v1, v2, v7
do j = v3, v4, v8
do k = v5, v6, v9
r = r.or.i.lt.2.or.i.gt.6.or.j.lt.-2.or.j.gt.4
r = r.or.k.lt.13.or.k.gt.18
if (.not.l) b(i, j, k) = b(i, j, k) + 1
end do
end do
end do
if (l .neqv. r) STOP 5
do i = v1, v2, v7
do j = v3, v4, v8
do k = v5, v6, v9
if (a(i, j, k) .ne. b(i, j, k)) STOP 6
end do
end do
end do
end subroutine test3
subroutine test4
integer :: i, j, k, a(1:7, -3:5, 12:19), b(1:7, -3:5, 12:19)
integer :: v1, v2, v3, v4, v5, v6, v7, v8, v9
logical :: l, r
l = .false.
r = .false.
a(:, :, :) = 0
b(:, :, :) = 0
v1 = 2
v2 = 6
v3 = -2
v4 = 4
v5 = 13
v6 = 18
v7 = 1
v8 = 1
v9 = 1
!$acc parallel pcopyin (v1, v2, v3, v4, v5, v6, v7, v8, v9) reduction (.or.:l)
!$acc loop reduction (.or.:l) collapse (3)
do i = v1, v2, v7
do j = v3, v4, v8
do k = v5, v6, v9
l = l.or.i.lt.2.or.i.gt.6.or.j.lt.-2.or.j.gt.4
l = l.or.k.lt.13.or.k.gt.18
if (.not.l) a(i, j, k) = a(i, j, k) + 1
end do
end do
end do
!$acc end parallel
do i = v1, v2, v7
do j = v3, v4, v8
do k = v5, v6, v9
r = r.or.i.lt.2.or.i.gt.6.or.j.lt.-2.or.j.gt.4
r = r.or.k.lt.13.or.k.gt.18
if (.not.r) b(i, j, k) = b(i, j, k) + 1
end do
end do
end do
if (l .neqv. r) STOP 7
do i = v1, v2, v7
do j = v3, v4, v8
do k = v5, v6, v9
if (a(i, j, k) .ne. b(i, j, k)) STOP 8
end do
end do
end do
end subroutine test4
subroutine test5(v1, v2, v3, v4, v5, v6)
integer :: i, j, k, a(1:7, -3:5, 12:19), b(1:7, -3:5, 12:19)
integer :: v1, v2, v3, v4, v5, v6
logical :: l, r
l = .false.
r = .false.
a(:, :, :) = 0
b(:, :, :) = 0
!$acc parallel pcopyin (v1, v2, v3, v4, v5, v6) reduction (.or.:l)
!$acc loop reduction (.or.:l) collapse (3)
do i = v1, v2
do j = v3, v4
do k = v5, v6
l = l.or.i.lt.2.or.i.gt.6.or.j.lt.-2.or.j.gt.4
l = l.or.k.lt.13.or.k.gt.18
if (.not.l) a(i, j, k) = a(i, j, k) + 1
end do
end do
end do
!$acc end parallel
do i = v1, v2
do j = v3, v4
do k = v5, v6
r = r.or.i.lt.2.or.i.gt.6.or.j.lt.-2.or.j.gt.4
r = r.or.k.lt.13.or.k.gt.18
if (.not.r) b(i, j, k) = b(i, j, k) + 1
end do
end do
end do
if (l .neqv. r) STOP 9
do i = v1, v2
do j = v3, v4
do k = v5, v6
if (a(i, j, k) .ne. b(i, j, k)) STOP 10
end do
end do
end do
end subroutine test5
subroutine test6(v1, v2, v3, v4, v5, v6, v7, v8, v9)
integer :: i, j, k, a(1:7, -3:5, 12:19), b(1:7, -3:5, 12:19)
integer :: v1, v2, v3, v4, v5, v6, v7, v8, v9
logical :: l, r
l = .false.
r = .false.
a(:, :, :) = 0
b(:, :, :) = 0
!$acc parallel pcopyin (v1, v2, v3, v4, v5, v6, v7, v8, v9) reduction (.or.:l)
!$acc loop reduction (.or.:l) collapse (3)
do i = v1, v2, v7
do j = v3, v4, v8
do k = v5, v6, v9
l = l.or.i.lt.2.or.i.gt.6.or.j.lt.-2.or.j.gt.4
l = l.or.k.lt.13.or.k.gt.18
if (.not.l) a(i, j, k) = a(i, j, k) + 1
m = i * 100 + j * 10 + k
end do
end do
end do
!$acc end parallel
do i = v1, v2, v7
do j = v3, v4, v8
do k = v5, v6, v9
r = r.or.i.lt.2.or.i.gt.6.or.j.lt.-2.or.j.gt.4
r = r.or.k.lt.13.or.k.gt.18
if (.not.r) b(i, j, k) = b(i, j, k) + 1
end do
end do
end do
if (l .neqv. r) STOP 11
do i = v1, v2, v7
do j = v3, v4, v8
do k = v5, v6, v9
if (a(i, j, k) .ne. b(i, j, k)) STOP 12
end do
end do
end do
end subroutine test6
end program sub_collapse_3