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TheRock/compiler/amd-llvm/flang/test/Lower/OpenMP/DelayedPrivatization/equivalence.f90
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37 lines
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Fortran

! Test delayed privatization for variables that are storage associated via `EQUIVALENCE`.
! RUN: %flang_fc1 -emit-hlfir -fopenmp -mmlir --enable-delayed-privatization \
! RUN: -o - %s 2>&1 | FileCheck %s
! RUN: bbc -emit-hlfir -fopenmp --enable-delayed-privatization -o - %s 2>&1 \
! RUN: | FileCheck %s
subroutine private_common
real x, y
equivalence (x,y)
!$omp parallel firstprivate(x)
x = 3.14
!$omp end parallel
end subroutine
! Verify that the privatizer's alloc type is the underlying data type (f32),
! not fir.ptr<f32>. Variables in EQUIVALENCE are lowered with fir.ptr addresses
! (see castAliasToPointer in ConvertVariable.cpp), but they are not Fortran
! POINTERs. The privatizer must allocate storage for the actual data type.
! CHECK: omp.private {type = firstprivate} @[[X_PRIVATIZER:.*]] : [[ALLOC_TYPE:f32]] copy {
! CHECK: ^bb0(%[[ORIG_PTR:.*]]: ![[PTR_TYPE:fir.ptr<f32>]], %[[PRIV_REF:.*]]: ![[PTR_TYPE]]):
! CHECK: %[[ORIG_VAL:.*]] = fir.load %[[ORIG_PTR]] : !fir.ptr<f32>
! CHECK: hlfir.assign %[[ORIG_VAL]] to %[[PRIV_REF]] : f32, ![[PTR_TYPE]]
! CHECK: omp.yield(%[[PRIV_REF]] : ![[PTR_TYPE]])
! CHECK: }
! CHECK: func.func @_QPprivate_common() {
! CHECK: omp.parallel private(@[[X_PRIVATIZER]] %{{.*}}#0 -> %[[PRIV_ARG:.*]] : ![[PTR_TYPE]]) {
! CHECK: %[[REG_DECL:.*]]:2 = hlfir.declare %[[PRIV_ARG]] {{{.*}}} : (![[PTR_TYPE]]) -> ({{.*}})
! CHECK: %[[CST:.*]] = arith.constant {{.*}}
! CHECK: hlfir.assign %[[CST]] to %[[REG_DECL]]#0 : {{.*}}
! CHECK: omp.terminator
! CHECK: }
! CHECK: return
! CHECK: }