derek.holloway
7502bf64a4
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57 lines
1.8 KiB
Fortran
57 lines
1.8 KiB
Fortran
! RUN: %flang_fc1 -emit-hlfir -fopenmp %s -o - | FileCheck %s
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! Test declare reduction without initializer clause for derived type with
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! default component values, used in a target offload region.
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! The init region must initialize components using the type's default values.
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! CHECK-LABEL: omp.declare_reduction @add_pts
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! CHECK-SAME: : !fir.ref<!fir.type<_QFTpoint{x:f32,y:f32}>>
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! CHECK: init {
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! CHECK: ^bb0(%{{.*}}: !fir.ref<!fir.type<_QFTpoint{{.*}}>>,
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! CHECK-SAME: %[[PRIV:.*]]: !fir.ref<!fir.type<_QFTpoint{{.*}}>>):
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! CHECK-NOT: fir.call @_FortranAInitialize
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! CHECK: %[[UNDEF:.*]] = fir.undefined !fir.type<_QFTpoint{{.*}}>
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! CHECK: fir.zero_bits f32
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! CHECK: fir.insert_value %[[UNDEF]], {{.*}}["x"
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! CHECK: arith.constant 0.000000e+00 : f32
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! CHECK: fir.insert_value {{.*}}["y"
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! CHECK: fir.store {{.*}} to %[[PRIV]]
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! CHECK: omp.yield(%[[PRIV]]
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! CHECK: } combiner {
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program main
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implicit none
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type :: Point
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real :: x
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real :: y = 0.0
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end type Point
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integer :: i
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type(Point) :: total
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!$omp declare reduction(add_pts : Point : &
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!$omp& merge_points(omp_out, omp_in))
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total = Point(0.0, 0.0)
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!$omp target teams distribute parallel do reduction(add_pts: total) map(tofrom: total)
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do i = 1, 100
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total%x = total%x + 1.0
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total%y = total%y + 2.0
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end do
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!$omp end target teams distribute parallel do
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print *, "Final Point X:", total%x
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print *, "Final Point Y:", total%y
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contains
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subroutine merge_points(out_p, in_p)
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!$omp declare target
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type(Point), intent(inout) :: out_p
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type(Point), intent(in) :: in_p
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out_p%x = out_p%x + in_p%x
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out_p%y = out_p%y + in_p%y
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end subroutine
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end program main
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