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! Testing the Semantics of nested Loop Transformation Constructs
!RUN: %python %S/../test_errors.py %s %flang -fopenmp -fopenmp-version=51
subroutine loop_transformation_construct1
implicit none
!ERROR: OpenMP loop construct cannot apply to a fully unrolled loop
!$omp do
!ERROR: This construct should contain a DO-loop or a loop-nest-generating OpenMP construct
!$omp unroll
end subroutine
subroutine loop_transformation_construct2
implicit none
integer, parameter :: i = 5
integer :: x
integer :: v(i)
!$omp do
!ERROR: At least one of SIZES clause must appear on the TILE directive
!$omp tile
do x = 1, i
v(x) = v(x) * 2
end do
!$omp end tile
!$omp end do
end subroutine
subroutine loop_transformation_construct3
implicit none
integer, parameter :: i = 5
integer :: x
integer :: v(i)
!$omp do
!ERROR: Only loop-transforming OpenMP constructs are allowed inside OpenMP loop constructs
!$omp parallel do
do x = 1, i
v(x) = v(x) * 2
end do
end subroutine
subroutine loop_transformation_construct4
implicit none
integer, parameter :: i = 5
integer :: x
integer :: v(i)
!$omp do
do x = 1, i
v(x) = v(x) * 2
end do
!ERROR: This construct should contain a DO-loop or a loop-nest-generating OpenMP construct
!ERROR: At least one of SIZES clause must appear on the TILE directive
!$omp tile
end subroutine
subroutine loop_transformation_construct5
implicit none
integer, parameter :: i = 5
integer :: x
integer :: v(i)
!$omp do
!ERROR: OpenMP loop construct cannot apply to a fully unrolled loop
!ERROR: At least one of SIZES clause must appear on the TILE directive
!$omp tile
!$omp unroll full
do x = 1, i
v(x) = v(x) * 2
end do
end subroutine
subroutine loop_transformation_construct6
implicit none
integer, parameter :: i = 5
integer :: x
integer :: v(i)
!$omp do
!ERROR: OpenMP loop construct cannot apply to a fully unrolled loop
!ERROR: At least one of SIZES clause must appear on the TILE directive
!$omp tile
!$omp unroll
do x = 1, i
v(x) = v(x) * 2
end do
end subroutine
subroutine loop_transformation_construct7
implicit none
integer, parameter :: i = 5
integer :: x
integer :: v(i)
!$omp do
!ERROR: At least one of SIZES clause must appear on the TILE directive
!$omp tile
!$omp unroll partial(2)
do x = 1, i
v(x) = v(x) * 2
end do
end subroutine
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