derek.holloway
7502bf64a4
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89 lines
2.6 KiB
Fortran
89 lines
2.6 KiB
Fortran
! Test lowering of COPYIN clause for derived types with allocatable components.
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! Threadprivate copies may have uninitialized allocatable component descriptors
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! (zero-filled by the OpenMP runtime). For non-master threads, use
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! temporary_lhs semantics so that AssignTemporary initializes descriptors
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! before performing the deep copy. The master thread is skipped via a runtime
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! address comparison (lhs == rhs means same threadprivate storage).
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! RUN: bbc -fopenmp -emit-hlfir %s -o - | FileCheck %s
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! RUN: %flang_fc1 -emit-hlfir -fopenmp %s -o - | FileCheck %s
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! CHECK-LABEL: func.func @_QPcopyin_derived_alloc_comp
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subroutine copyin_derived_alloc_comp()
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type inner
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integer, allocatable :: a(:)
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end type inner
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type outer
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type(inner) :: s
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end type outer
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type(outer), save :: x(2)
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!$omp threadprivate(x)
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allocate(x(1)%s%a(3))
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x(1)%s%a = 42
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! CHECK: omp.parallel {
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! CHECK: omp.threadprivate
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! CHECK: hlfir.declare
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! CHECK: fir.convert {{.*}} -> index
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! CHECK: fir.convert {{.*}} -> index
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! CHECK: arith.cmpi eq, {{.*}} : index
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! CHECK: fir.if
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! CHECK: } else {
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! CHECK: hlfir.assign {{.*}} temporary_lhs
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! CHECK: }
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! CHECK: omp.barrier
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!$omp parallel copyin(x)
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call sub(x(1)%s%a)
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!$omp end parallel
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deallocate(x(1)%s%a)
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end subroutine
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! CHECK-LABEL: func.func @_QPcopyin_scalar_derived_alloc_comp
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subroutine copyin_scalar_derived_alloc_comp()
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type dt
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integer, allocatable :: a(:)
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end type dt
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type(dt), save :: y
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!$omp threadprivate(y)
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allocate(y%a(5))
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y%a = 10
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! CHECK: omp.parallel {
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! CHECK: omp.threadprivate
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! CHECK: hlfir.declare
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! CHECK: fir.convert {{.*}} -> index
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! CHECK: fir.convert {{.*}} -> index
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! CHECK: arith.cmpi eq, {{.*}} : index
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! CHECK: fir.if
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! CHECK: } else {
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! CHECK: hlfir.assign {{.*}} temporary_lhs
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! CHECK: }
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! CHECK: omp.barrier
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!$omp parallel copyin(y)
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call sub(y%a)
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!$omp end parallel
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deallocate(y%a)
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end subroutine
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! Derived type WITHOUT allocatable components: plain assign, no address check.
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! CHECK-LABEL: func.func @_QPcopyin_no_alloc_comp
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subroutine copyin_no_alloc_comp()
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type simple
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integer :: val
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end type simple
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type(simple), save :: z
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!$omp threadprivate(z)
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! CHECK: omp.parallel {
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! CHECK: omp.threadprivate
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! CHECK: hlfir.declare
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! CHECK-NOT: arith.cmpi
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! CHECK: hlfir.assign
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! CHECK-NOT: temporary_lhs
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! CHECK: omp.barrier
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!$omp parallel copyin(z)
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call sub2(z%val)
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!$omp end parallel
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end subroutine
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