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! { dg-additional-options "-O2" }
! { dg-additional-options "-fdump-tree-parloops1-all" }
! { dg-additional-options "-fdump-tree-optimized" }
module test
contains
subroutine foo(n)
implicit none
integer :: n
integer, dimension (0:n-1) :: a, b, c
integer :: i, ii
do i = 0, n - 1
a(i) = i * 2
end do
do i = 0, n -1
b(i) = i * 4
end do
!$acc kernels copyin (a(0:n-1), b(0:n-1)) copyout (c(0:n-1))
do ii = 0, n - 1
c(ii) = a(ii) + b(ii)
end do
!$acc end kernels
do i = 0, n - 1
if (c(i) .ne. a(i) + b(i)) STOP 1
end do
end subroutine foo
end module test
! Check that only one loop is analyzed, and that it can be parallelized.
! { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops1" } }
! TODO, PR70545.
! { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 1 "parloops1" { xfail *-*-* } } }
! { 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 __test_MOD_foo._omp_fn.0 " 1 "optimized" } }
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