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! { dg-do run }
! { dg-additional-options "-msse2" { target sse2_runtime } }
! { dg-additional-options "-mavx" { target avx_runtime } }
! PR fortran/107424
! Nonrectangular loop nests checks
! This testcase uses negative step sizes
module m
implicit none (type, external)
contains
! The 'k' loop uses i or j as start value
! but a constant end value such that 'lastprivate'
! should be well-defined
subroutine lastprivate_check_simd_1
integer :: n,m,p, i,j,k, one
n = 11
m = 23
p = 27
one = 1
! Use 'i' or 'j', unit step on 'i' or on 'j' -> 4 loops
! Then same, except use non-unit step for 'k'
!$omp simd collapse(3) lastprivate(k)
do i = n, one, -1
do j = m, one, -2
do k = p + j, p - 41, -1
if (k < p - 41 .or. k > p+m) error stop
end do
end do
end do
if (k /= p - 41 - 1) error stop
!$omp simd collapse(3) lastprivate(k)
do i = n, 1, -2
do j = m, 1, -1
do k = p, i - 41, -1
if (k < 1 - 41 .or. k > p) error stop
end do
end do
end do
if (k /= -41) error stop
!$omp simd collapse(3) lastprivate(k)
do i = n, one, -2
do j = m, one, -1
do k = p, j - 41, -1
if (k < 1 - 41 .or. k > p) then
! print *, i, j, k,p, " -> i, j, k, p (k < 1 - 41 .or. k > p)"
error stop
end if
end do
end do
end do
if (k /= -41) error stop
k = -43
m = 0
!$omp simd collapse(3) lastprivate(k)
do i = m, one, -2
do j = m, one, -1
do k = p, j - 41, -1
if (k < 1 - 41 .or. k > p) then
! print *, i, j, k,p, " -> i, j, k, p (k < 1 - 41 .or. k > p)"
error stop
end if
end do
end do
end do
if (k /= -43) error stop
m = 23
!$omp simd collapse(3) lastprivate(k)
do i = n, one, -1
do j = m, one, -2
do k = p, i - 41, -1
if (k < 1 - 41 .or. k > p) error stop
end do
end do
end do
if (k /= -41) error stop
n = -5
k = - 70
!$omp simd collapse(3) lastprivate(k)
do i = n, one, -1
do j = m, one, -2
do k = p, i - 41, -1
if (k < 1 - 41 .or. k > p) error stop
end do
end do
end do
if (k /= -70) error stop
n = 11
! Same but 'private' for all (i,j) vars
!$omp simd collapse(3) lastprivate(k) private(i,j)
do i = n, one, -1
do j = m, one, -2
do k = p, j - 41, -1
if (k < 1 - 41 .or. k > p) error stop
end do
end do
end do
if (k /= -41) error stop
!$omp simd collapse(3) lastprivate(k) private(i,j)
do i = n, one, -2
do j = m, one, -1
do k = p, i - 41, -1
if (k < 1 - 41 .or. k > p) error stop
end do
end do
end do
if (k /= -41) error stop
!$omp simd collapse(3) lastprivate(k) private(i,j)
do i = n, one, -2
do j = m, one, -1
do k = p, j - 41, -1
if (k < 1 - 41 .or. k > p) error stop
end do
end do
end do
if (k /= -41) error stop
!$omp simd collapse(3) lastprivate(k) private(i,j)
do i = n, one, -1
do j = m, one, -2
do k = p, i - 41, -1
if (k < 1 - 41 .or. k > p) error stop
end do
end do
end do
if (k /= -41) error stop
! Same - but with lastprivate(i,j)
!$omp simd collapse(3) lastprivate(k) lastprivate(i,j)
do i = n, one, -1
do j = m, one, -2
do k = p, j - 41, -1
if (k < 1 - 41 .or. k > p) error stop
end do
end do
end do
if (k /= -41) error stop
if (i /= 0 .or. j /= -1) error stop
!$omp simd collapse(3) lastprivate(k) lastprivate(i,j)
do i = n, 1, -2
do j = m, one, -1
do k = p, i - 41, -1
if (k < 1 - 41 .or. k > p) error stop
end do
end do
end do
if (k /= -41) error stop
if (i /= -1 .or. j /= 0) error stop
!$omp simd collapse(3) lastprivate(k) lastprivate(i,j)
do i = n, 1, -2
do j = m, 1, -1
do k = p, j - 41, -1
if (k < 1 - 41 .or. k > p) error stop
end do
end do
end do
if (k /= -41) error stop
if (i /= -1 .or. j /= 0) error stop
!$omp simd collapse(3) lastprivate(k) lastprivate(i,j)
do i = n, one, -1
do j = m, one, -2
do k = p, i - 41, -1
if (k < 1 - 41 .or. k > p) error stop
end do
end do
end do
if (k /= -41) error stop
if (i /= 0 .or. j /= -1) error stop
end subroutine lastprivate_check_simd_1
end module m
program main
use m
implicit none (type, external)
call lastprivate_check_simd_1
end
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