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[flang][openacc] Support single array element in data clause #70065

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Merged
merged 1 commit into from
Oct 24, 2023
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[flang][openacc] Support single array element in data clause #70065

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14 changes: 11 additions & 3 deletions flang/lib/Lower/DirectivesCommon.h
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Original file line number Diff line number Diff line change
Expand Up @@ -898,9 +898,17 @@ mlir::Value gatherDataOperandAddrAndBounds(
builder, operandLocation, converter, compExv, baseAddr);
}
} else {
// Scalar or full array.
if (const auto *dataRef{
std::get_if<Fortran::parser::DataRef>(&designator.u)}) {
if (Fortran::parser::Unwrap<Fortran::parser::ArrayElement>(
designator)) {
// Single array element.
fir::ExtendedValue compExv =
converter.genExprAddr(operandLocation, *expr, stmtCtx);
baseAddr = fir::getBase(compExv);
asFortran << (*expr).AsFortran();
} else if (const auto *dataRef{
std::get_if<Fortran::parser::DataRef>(
&designator.u)}) {
// Scalar or full array.
const Fortran::parser::Name &name =
Fortran::parser::GetLastName(*dataRef);
fir::ExtendedValue dataExv =
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14 changes: 14 additions & 0 deletions flang/test/Lower/OpenACC/acc-enter-data.f90
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Expand Up @@ -803,3 +803,17 @@ subroutine acc_enter_data_derived_type()
!CHECK: acc.enter_data dataOperands(%[[CREATE]] : !fir.ref<!fir.array<10xf32>>)

end subroutine

subroutine acc_enter_data_single_array_element()
type t1
real, allocatable :: a(:, :)
end type t1
type(t1), allocatable :: e(:)
allocate(e(10)%a(5,5))

!$acc enter data create(e(2)%a(1,2))

!CHECK: %[[CREATE:.*]] = acc.create varPtr(%{{.*}} : !fir.ref<f32>) -> !fir.ref<f32> {name = "e(2_8)%a(1_8,2_8)", structured = false}
!CHECK: acc.enter_data dataOperands(%[[CREATE]] : !fir.ref<f32>)

end subroutine