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[flang][OpenMP] Integration test for copyprivate #80489

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[flang][OpenMP] Integration test for copyprivate #80489

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97 changes: 97 additions & 0 deletions flang/test/Integration/OpenMP/copyprivate.f90
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!===----------------------------------------------------------------------===!
! This directory can be used to add Integration tests involving multiple
! stages of the compiler (for eg. from Fortran to LLVM IR). It should not
! contain executable tests. We should only add tests here sparingly and only
! if there is no other way to test. Repeat this message in each test that is
! added to this directory and sub-directories.
!===----------------------------------------------------------------------===!

!RUN: %flang_fc1 -emit-llvm -fopenmp %s -o - | FileCheck %s

!CHECK-DAG: define void @_copy_box_Uxi32(ptr %{{.*}}, ptr %{{.*}})
!CHECK-DAG: define void @_copy_10xi32(ptr %{{.*}}, ptr %{{.*}})
!CHECK-DAG: define void @_copy_i64(ptr %{{.*}}, ptr %{{.*}})
!CHECK-DAG: define void @_copy_box_Uxi64(ptr %{{.*}}, ptr %{{.*}})
!CHECK-DAG: define void @_copy_f32(ptr %{{.*}}, ptr %{{.*}})
!CHECK-DAG: define void @_copy_2x3xf32(ptr %{{.*}}, ptr %{{.*}})
!CHECK-DAG: define void @_copy_z32(ptr %{{.*}}, ptr %{{.*}})
!CHECK-DAG: define void @_copy_10xz32(ptr %{{.*}}, ptr %{{.*}})
!CHECK-DAG: define void @_copy_l32(ptr %{{.*}}, ptr %{{.*}})
!CHECK-DAG: define void @_copy_5xl32(ptr %{{.*}}, ptr %{{.*}})
!CHECK-DAG: define void @_copy_c8x8(ptr %{{.*}}, ptr %{{.*}})
!CHECK-DAG: define void @_copy_10xc8x8(ptr %{{.*}}, ptr %{{.*}})
!CHECK-DAG: define void @_copy_c16x5(ptr %{{.*}}, ptr %{{.*}})
!CHECK-DAG: define void @_copy_rec__QFtest_typesTdt(ptr %{{.*}}, ptr %{{.*}})
!CHECK-DAG: define void @_copy_box_heap_Uxi32(ptr %{{.*}}, ptr %{{.*}})
!CHECK-DAG: define void @_copy_box_ptr_Uxc8x9(ptr %{{.*}}, ptr %{{.*}})

!CHECK-LABEL: define void @_copy_i32(
!CHECK-SAME: ptr %[[DST:.*]], ptr %[[SRC:.*]]) {
!CHECK-NEXT: %[[SRC_VAL:.*]] = load i32, ptr %[[SRC]]
!CHECK-NEXT: store i32 %[[SRC_VAL]], ptr %[[DST]]
!CHECK-NEXT: ret void
!CHECK-NEXT: }

!CHECK-LABEL: define internal void @test_scalar_..omp_par({{.*}})
!CHECK: %[[I:.*]] = alloca i32, i64 1
!CHECK: %[[J:.*]] = alloca i32, i64 1
!CHECK: %[[DID_IT:.*]] = alloca i32
!CHECK: store i32 0, ptr %[[DID_IT]]
!CHECK: %[[THREAD_NUM1:.*]] = call i32 @__kmpc_global_thread_num(ptr @[[LOC:.*]])
!CHECK: %[[RET:.*]] = call i32 @__kmpc_single({{.*}})
!CHECK: %[[NOT_ZERO:.*]] = icmp ne i32 %[[RET]], 0
!CHECK: br i1 %[[NOT_ZERO]], label %[[OMP_REGION_BODY:.*]], label %[[OMP_REGION_END:.*]]

!CHECK: [[OMP_REGION_END]]:
!CHECK: %[[THREAD_NUM2:.*]] = call i32 @__kmpc_global_thread_num(ptr @[[LOC:.*]])
!CHECK: %[[DID_IT_VAL:.*]] = load i32, ptr %[[DID_IT]]
!CHECK: call void @__kmpc_copyprivate(ptr @[[LOC]], i32 %[[THREAD_NUM2]], i64 0, ptr %[[I]], ptr @_copy_i32, i32 %[[DID_IT_VAL]])
!CHECK: %[[THREAD_NUM3:.*]] = call i32 @__kmpc_global_thread_num(ptr @[[LOC]])
!CHECK: %[[DID_IT_VAL2:.*]] = load i32, ptr %[[DID_IT]]
!CHECK: call void @__kmpc_copyprivate(ptr @[[LOC]], i32 %[[THREAD_NUM3]], i64 0, ptr %[[J]], ptr @_copy_i32, i32 %[[DID_IT_VAL2]])

!CHECK: [[OMP_REGION_BODY]]:
!CHECK: br label %[[OMP_SINGLE_REGION:.*]]
!CHECK: [[OMP_SINGLE_REGION]]:
!CHECK: store i32 11, ptr %[[I]]
!CHECK: store i32 22, ptr %[[J]]
!CHECK: br label %[[OMP_REGION_CONT3:.*]]
!CHECK: [[OMP_REGION_CONT3:.*]]:
!CHECK: store i32 1, ptr %[[DID_IT]]
!CHECK: call void @__kmpc_end_single(ptr @[[LOC]], i32 %[[THREAD_NUM1]])
!CHECK: br label %[[OMP_REGION_END]]
subroutine test_scalar()
integer :: i, j

!$omp parallel private(i, j)
!$omp single
i = 11
j = 22
!$omp end single copyprivate(i, j)
!$omp end parallel
end subroutine

subroutine test_types(a, n)
integer :: a(:), n
integer(4) :: i4, i4a(10)
integer(8) :: i8, i8a(n)
real :: r, ra(2, 3)
complex :: z, za(10)
logical :: l, la(5)
character(kind=1, len=8) :: c1, c1a(10)
character(kind=2, len=5) :: c2

type dt
integer :: i
real :: r
end type
type(dt) :: t

integer, allocatable :: aloc(:)
character(kind=1, len=9), pointer :: ptr(:)

!$omp parallel private(a, i4, i4a, i8, i8a, r, ra, z, za, l, la, c1, c1a, c2, t, aloc, ptr)
!$omp single
!$omp end single copyprivate(a, i4, i4a, i8, i8a, r, ra, z, za, l, la, c1, c1a, c2, t, aloc, ptr)
!$omp end parallel
end subroutine