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! Testing the Semantics of loop sequences combined with
! nested Loop Transformation Constructs
!RUN: %python %S/../test_errors.py %s %flang -fopenmp -fopenmp-version=60
subroutine loop_transformation_construct1
implicit none
!$omp do
!ERROR: The FUSE construct requires the END FUSE directive
!$omp fuse
end subroutine
subroutine loop_transformation_construct2
implicit none
!$omp do
!ERROR: A DO loop must follow the FUSE directive
!$omp fuse
!$omp end fuse
end subroutine
subroutine loop_transformation_construct3
implicit none
integer, parameter :: i = 5
integer :: x
integer :: v(i)
!$omp do
!$omp fuse
do x = 1, i
v(x) = v(x) * 2
end do
do x = 1, i
v(x) = v(x) * 2
end do
!$omp end fuse
!$omp end do
!ERROR: The END FUSE directive must follow the DO loop associated with the loop construct
!$omp end fuse
end subroutine
subroutine loop_transformation_construct4
implicit none
integer, parameter :: i = 5
integer :: x
integer :: v(i)
!$omp do
do x = 1, i
v(x) = v(x) * 2
end do
!ERROR: A DO loop must follow the FUSE directive
!$omp fuse
!$omp end fuse
end subroutine
subroutine loop_transformation_construct5
implicit none
integer, parameter :: i = 5
integer :: x
integer :: v(i)
!$omp do
!ERROR: If a loop construct has been fully unrolled, it cannot then be further transformed
!$omp fuse
!$omp unroll full
do x = 1, i
v(x) = v(x) * 2
end do
do x = 1, i
v(x) = v(x) * 2
end do
!$omp end fuse
end subroutine
subroutine loop_transformation_construct6
implicit none
integer, parameter :: i = 5
integer :: x
integer :: v(i)
!$omp do
!$omp fuse looprange(1,1)
!$omp unroll partial(2)
do x = 1, i
v(x) = v(x) * 2
end do
do x = 1, i
v(x) = v(x) * 2
end do
!$omp end fuse
end subroutine
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