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61 lines
2.0 KiB
Fortran
61 lines
2.0 KiB
Fortran
! Test user-defined assignment in declare reduction initializer.
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! Verifies that `initializer(omp_priv = t(1))` correctly dispatches to the
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! user-defined `assignment(=)` subroutine, not intrinsic assignment.
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!
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! This is a regression test for https://github.com/llvm/llvm-project/issues/184927
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!RUN: %flang_fc1 -emit-hlfir -fopenmp %s -o - | FileCheck %s
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module m_defined_assign
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implicit none
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type :: t
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integer :: val = -999
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end type t
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interface assignment(=)
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module procedure custom_assign
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end interface
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contains
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subroutine custom_assign(lhs, rhs)
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type(t), intent(out) :: lhs
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type(t), intent(in) :: rhs
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lhs%val = rhs%val * 10
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end subroutine
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end module
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subroutine test_defined_assign_init()
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use m_defined_assign
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implicit none
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integer :: i
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type(t) :: x
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!$omp declare reduction(add_t : t : omp_out%val = omp_out%val + omp_in%val) &
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!$omp& initializer(omp_priv = t(1))
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x = t(0)
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!$omp parallel do reduction(add_t : x) num_threads(2)
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do i = 1, 2
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x%val = x%val + 1
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end do
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!$omp end parallel do
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end subroutine
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!CHECK: omp.declare_reduction @add_t :
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!CHECK-SAME: alloc {
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!CHECK: %[[ALLOCA:.*]] = fir.alloca
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!CHECK: omp.yield(%[[ALLOCA]] :
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!CHECK: } init {
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!CHECK: ^bb0(%[[INIT_ARG0:.*]]: !fir.ref<!fir.type<_QMm_defined_assignTt{val:i32}>>,
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!CHECK-SAME: %[[INIT_ARG1:.*]]: !fir.ref<!fir.type<_QMm_defined_assignTt{val:i32}>>):
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!CHECK: %[[OMP_ORIG:.*]]:2 = hlfir.declare %[[INIT_ARG0]] {uniq_name = "omp_orig"}
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!CHECK: %[[OMP_PRIV:.*]]:2 = hlfir.declare %[[INIT_ARG1]] {uniq_name = "omp_priv"}
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!CHECK: %[[INIT_ADDR:.*]] = fir.address_of(@_QQro._QMm_defined_assignTt.0)
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!CHECK: %[[INIT_DECL:.*]]:2 = hlfir.declare %[[INIT_ADDR]]
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!CHECK: %[[AS_EXPR:.*]] = hlfir.as_expr %[[INIT_DECL]]#0
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!CHECK: %[[ASSOC:.*]]:3 = hlfir.associate %[[AS_EXPR]] {adapt.valuebyref}
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!CHECK: fir.call @_QMm_defined_assignPcustom_assign(%[[OMP_PRIV]]#0, %[[ASSOC]]#0)
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!CHECK: hlfir.end_associate %[[ASSOC]]#1, %[[ASSOC]]#2
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!CHECK: omp.yield(%[[INIT_ARG1]] :
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!CHECK: } combiner {
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