derek.holloway
7502bf64a4
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84 lines
2.4 KiB
Fortran
84 lines
2.4 KiB
Fortran
! RUN: %flang_fc1 -emit-hlfir -fopenmp %s -o - | FileCheck %s
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! Test declare reduction without initializer clause for intrinsic types.
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! Without an initializer, the private variable should be zero-initialized.
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! CHECK-DAG: omp.declare_reduction @char_max : !fir.ref<!fir.char<1,10>>
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! CHECK: init {
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! CHECK: %[[CHZERO:.*]] = fir.zero_bits !fir.char<1,10>
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! CHECK: fir.store %[[CHZERO]]
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! CHECK: } combiner {
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! CHECK-DAG: omp.declare_reduction @add_reduction_z32 : complex<f32> init {
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! CHECK: %[[CZERO:.*]] = fir.zero_bits complex<f32>
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! CHECK: omp.yield(%[[CZERO]] : complex<f32>)
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! CHECK: } combiner {
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! CHECK: fir.addc
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! CHECK: }
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! CHECK-DAG: omp.declare_reduction @add_reduction_f32 : f32 init {
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! CHECK: %[[FZERO:.*]] = fir.zero_bits f32
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! CHECK: omp.yield(%[[FZERO]] : f32)
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! CHECK: } combiner {
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! CHECK: arith.addf
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! CHECK: }
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! CHECK-DAG: omp.declare_reduction @add_reduction_i32 : i32 init {
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! CHECK: %[[IZERO:.*]] = fir.zero_bits i32
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! CHECK: omp.yield(%[[IZERO]] : i32)
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! CHECK: } combiner {
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! CHECK: arith.addi
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! CHECK: }
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program test_no_init_intrinsic
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implicit none
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integer :: a, i
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real :: r
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complex :: c
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character(len=10) :: s
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!$omp declare reduction(+: integer: omp_out = omp_out + omp_in)
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!$omp declare reduction(+: real: omp_out = omp_out + omp_in)
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!$omp declare reduction(+: complex: omp_out = omp_out + omp_in)
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!$omp declare reduction(char_max: character(len=10): omp_out = max(omp_out, omp_in))
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a = 0
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r = 0.0
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c = (0.0, 0.0)
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s = "aaa"
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! Test integer reduction without initializer
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! CHECK: omp.wsloop {{.*}} reduction(@add_reduction_i32
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!$omp parallel do reduction(+: a)
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do i = 1, 10
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a = a + i
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end do
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!$omp end parallel do
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! Test real reduction without initializer
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! CHECK: omp.wsloop {{.*}} reduction(@add_reduction_f32
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!$omp parallel do reduction(+: r)
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do i = 1, 10
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r = r + real(i)
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end do
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!$omp end parallel do
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! Test complex reduction without initializer
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! CHECK: omp.wsloop {{.*}} reduction(@add_reduction_z32
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!$omp parallel do reduction(+: c)
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do i = 1, 10
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c = c + cmplx(real(i), 0.0)
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end do
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!$omp end parallel do
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! Test fixed-length character reduction without initializer
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! CHECK: omp.wsloop {{.*}} reduction(byref @char_max
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!$omp parallel do reduction(char_max: s)
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do i = 1, 10
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continue
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end do
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!$omp end parallel do
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print *, a, r, c, s
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end program
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