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|
! Test lowering of pointer initial target
! RUN: bbc -emit-fir %s -o - | FileCheck %s
! -----------------------------------------------------------------------------
! Test scalar initial data target that are simple names
! -----------------------------------------------------------------------------
subroutine scalar()
real, save, target :: x
real, pointer :: p => x
! CHECK-LABEL: fir.global internal @_QFscalarEp : !fir.box<!fir.ptr<f32>>
! CHECK: %[[x:.*]] = fir.address_of(@_QFscalarEx) : !fir.ref<f32>
! CHECK: %[[box:.*]] = fir.embox %[[x]] : (!fir.ref<f32>) -> !fir.box<f32>
! CHECK: %[[rebox:.*]] = fir.rebox %[[box]] : (!fir.box<f32>) -> !fir.box<!fir.ptr<f32>>
! CHECK: fir.has_value %[[rebox]] : !fir.box<!fir.ptr<f32>>
end subroutine
subroutine scalar_char()
character(10), save, target :: x
character(:), pointer :: p => x
! CHECK-LABEL: fir.global internal @_QFscalar_charEp : !fir.box<!fir.ptr<!fir.char<1,?>>>
! CHECK: %[[x:.*]] = fir.address_of(@_QFscalar_charEx) : !fir.ref<!fir.char<1,10>>
! CHECK: %[[box:.*]] = fir.embox %[[x]] : (!fir.ref<!fir.char<1,10>>) -> !fir.box<!fir.char<1,10>>
! CHECK: %[[rebox:.*]] = fir.rebox %[[box]] : (!fir.box<!fir.char<1,10>>) -> !fir.box<!fir.ptr<!fir.char<1,?>>>
! CHECK: fir.has_value %[[rebox]] : !fir.box<!fir.ptr<!fir.char<1,?>>>
end subroutine
subroutine scalar_char_2()
character(10), save, target :: x
character(10), pointer :: p => x
! CHECK-LABEL: fir.global internal @_QFscalar_char_2Ep : !fir.box<!fir.ptr<!fir.char<1,10>>>
! CHECK: %[[x:.*]] = fir.address_of(@_QFscalar_char_2Ex) : !fir.ref<!fir.char<1,10>>
! CHECK: %[[box:.*]] = fir.embox %[[x]] : (!fir.ref<!fir.char<1,10>>) -> !fir.box<!fir.char<1,10>>
! CHECK: %[[rebox:.*]] = fir.rebox %[[box]] : (!fir.box<!fir.char<1,10>>) -> !fir.box<!fir.ptr<!fir.char<1,10>>>
! CHECK: fir.has_value %[[rebox]] : !fir.box<!fir.ptr<!fir.char<1,10>>>
end subroutine
subroutine scalar_derived()
type t
real :: x
integer :: i
end type
type(t), save, target :: x
type(t), pointer :: p => x
! CHECK-LABEL: fir.global internal @_QFscalar_derivedEp : !fir.box<!fir.ptr<!fir.type<_QFscalar_derivedTt{x:f32,i:i32}>>>
! CHECK: %[[x:.*]] = fir.address_of(@_QFscalar_derivedEx) : !fir.ref<!fir.type<_QFscalar_derivedTt{x:f32,i:i32}>>
! CHECK: %[[box:.*]] = fir.embox %[[x]] : (!fir.ref<!fir.type<_QFscalar_derivedTt{x:f32,i:i32}>>) -> !fir.box<!fir.type<_QFscalar_derivedTt{x:f32,i:i32}>>
! CHECK: %[[rebox:.*]] = fir.rebox %[[box]] : (!fir.box<!fir.type<_QFscalar_derivedTt{x:f32,i:i32}>>) -> !fir.box<!fir.ptr<!fir.type<_QFscalar_derivedTt{x:f32,i:i32}>>>
! CHECK: fir.has_value %[[rebox]] : !fir.box<!fir.ptr<!fir.type<_QFscalar_derivedTt{x:f32,i:i32}>>>
end subroutine
subroutine scalar_null()
real, pointer :: p => NULL()
! CHECK-LABEL: fir.global internal @_QFscalar_nullEp : !fir.box<!fir.ptr<f32>>
! CHECK: %[[zero:.*]] = fir.zero_bits !fir.ptr<f32>
! CHECK: %[[box:.*]] = fir.embox %[[zero]] : (!fir.ptr<f32>) -> !fir.box<!fir.ptr<f32>>
! CHECK: fir.has_value %[[box]] : !fir.box<!fir.ptr<f32>>
end subroutine
! -----------------------------------------------------------------------------
! Test array initial data target that are simple names
! -----------------------------------------------------------------------------
subroutine array()
real, save, target :: x(100)
real, pointer :: p(:) => x
! CHECK-LABEL: fir.global internal @_QFarrayEp : !fir.box<!fir.ptr<!fir.array<?xf32>>>
! CHECK: %[[x:.*]] = fir.address_of(@_QFarrayEx) : !fir.ref<!fir.array<100xf32>>
! CHECK: %[[shape:.*]] = fir.shape %c100{{.*}} : (index) -> !fir.shape<1>
! CHECK: %[[box:.*]] = fir.embox %[[x]](%[[shape]]) : (!fir.ref<!fir.array<100xf32>>, !fir.shape<1>) -> !fir.box<!fir.array<100xf32>>
! CHECK: %[[rebox:.*]] = fir.rebox %[[box]] : (!fir.box<!fir.array<100xf32>>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>>
! CHECK: fir.has_value %[[rebox]] : !fir.box<!fir.ptr<!fir.array<?xf32>>>
end subroutine
subroutine array_char()
character(10), save, target :: x(20)
character(:), pointer :: p(:) => x
! CHECK-LABEL: fir.global internal @_QFarray_charEp : !fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>
! CHECK: %[[x:.*]] = fir.address_of(@_QFarray_charEx) : !fir.ref<!fir.array<20x!fir.char<1,10>>>
! CHECK: %[[shape:.*]] = fir.shape %c20{{.*}} : (index) -> !fir.shape<1>
! CHECK: %[[box:.*]] = fir.embox %[[x]](%[[shape]]) : (!fir.ref<!fir.array<20x!fir.char<1,10>>>, !fir.shape<1>) -> !fir.box<!fir.array<20x!fir.char<1,10>>
! CHECK: %[[rebox:.*]] = fir.rebox %[[box]] : (!fir.box<!fir.array<20x!fir.char<1,10>>>) -> !fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>
! CHECK: fir.has_value %[[rebox]] : !fir.box<!fir.ptr<!fir.array<?x!fir.char<1,?>>>>
end subroutine
subroutine array_char_2()
character(10), save, target :: x(20)
character(10), pointer :: p(:) => x
! CHECK-LABEL: fir.global internal @_QFarray_char_2Ep : !fir.box<!fir.ptr<!fir.array<?x!fir.char<1,10>>>>
! CHECK: %[[x:.*]] = fir.address_of(@_QFarray_char_2Ex) : !fir.ref<!fir.array<20x!fir.char<1,10>>>
! CHECK: %[[shape:.*]] = fir.shape %c20{{.*}} : (index) -> !fir.shape<1>
! CHECK: %[[box:.*]] = fir.embox %[[x]](%[[shape]]) : (!fir.ref<!fir.array<20x!fir.char<1,10>>>, !fir.shape<1>) -> !fir.box<!fir.array<20x!fir.char<1,10>>>
! CHECK: %[[rebox:.*]] = fir.rebox %[[box]] : (!fir.box<!fir.array<20x!fir.char<1,10>>>) -> !fir.box<!fir.ptr<!fir.array<?x!fir.char<1,10>>>>
! CHECK: fir.has_value %[[rebox]] : !fir.box<!fir.ptr<!fir.array<?x!fir.char<1,10>>>>
end subroutine
subroutine array_derived()
type t
real :: x
integer :: i
end type
type(t), save, target :: x(100)
type(t), pointer :: p(:) => x
! CHECK-LABEL: fir.global internal @_QFarray_derivedEp : !fir.box<!fir.ptr<!fir.array<?x!fir.type<_QFarray_derivedTt{x:f32,i:i32}>>>>
! CHECK: %[[x:.*]] = fir.address_of(@_QFarray_derivedEx) : !fir.ref<!fir.array<100x!fir.type<_QFarray_derivedTt{x:f32,i:i32}>>>
! CHECK: %[[shape:.*]] = fir.shape %c100{{.*}} : (index) -> !fir.shape<1>
! CHECK: %[[box:.*]] = fir.embox %[[x]](%[[shape]]) : (!fir.ref<!fir.array<100x!fir.type<_QFarray_derivedTt{x:f32,i:i32}>>>, !fir.shape<1>) -> !fir.box<!fir.array<100x!fir.type<_QFarray_derivedTt{x:f32,i:i32}>>>
! CHECK: %[[rebox:.*]] = fir.rebox %[[box]] : (!fir.box<!fir.array<100x!fir.type<_QFarray_derivedTt{x:f32,i:i32}>>>) -> !fir.box<!fir.ptr<!fir.array<?x!fir.type<_QFarray_derivedTt{x:f32,i:i32}>>>>
! CHECK: fir.has_value %[[rebox]] : !fir.box<!fir.ptr<!fir.array<?x!fir.type<_QFarray_derivedTt{x:f32,i:i32}>>>>
end subroutine
subroutine array_null()
real, pointer :: p(:) => NULL()
! CHECK-LABEL: fir.global internal @_QFarray_nullEp : !fir.box<!fir.ptr<!fir.array<?xf32>>>
! CHECK: %[[zero:.*]] = fir.zero_bits !fir.ptr<!fir.array<?xf32>>
! CHECK: %[[shape:.*]] = fir.shape %c0{{.*}} : (index) -> !fir.shape<1>
! CHECK: %[[box:.*]] = fir.embox %[[zero]](%[[shape]]) : (!fir.ptr<!fir.array<?xf32>>, !fir.shape<1>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>>
! CHECK: fir.has_value %[[box]] : !fir.box<!fir.ptr<!fir.array<?xf32>>>
end subroutine
! -----------------------------------------------------------------------------
! Test scalar initial data target that are data references
! -----------------------------------------------------------------------------
subroutine scalar_ref()
real, save, target :: x(4:100)
real, pointer :: p => x(50)
! CHECK-LABEL: fir.global internal @_QFscalar_refEp : !fir.box<!fir.ptr<f32>> {
! CHECK: %[[x:.*]] = fir.address_of(@_QFscalar_refEx) : !fir.ref<!fir.array<97xf32>>
! CHECK: %[[lb:.*]] = fir.convert %c4 : (index) -> i64
! CHECK: %[[idx:.*]] = arith.subi %c50{{.*}}, %[[lb]] : i64
! CHECK: %[[elt:.*]] = fir.coordinate_of %[[x]], %[[idx]] : (!fir.ref<!fir.array<97xf32>>, i64) -> !fir.ref<f32>
! CHECK: %[[box:.*]] = fir.embox %[[elt]] : (!fir.ref<f32>) -> !fir.box<f32>
! CHECK: %[[rebox:.*]] = fir.rebox %[[box]] : (!fir.box<f32>) -> !fir.box<!fir.ptr<f32>>
! CHECK: fir.has_value %[[rebox]] : !fir.box<!fir.ptr<f32>>
end subroutine
subroutine scalar_char_ref()
character(20), save, target :: x(100)
character(10), pointer :: p => x(6)(7:16)
! CHECK-LABEL: fir.global internal @_QFscalar_char_refEp : !fir.box<!fir.ptr<!fir.char<1,10>>>
! CHECK: %[[x:.*]] = fir.address_of(@_QFscalar_char_refEx) : !fir.ref<!fir.array<100x!fir.char<1,20>>>
! CHECK: %[[idx:.*]] = arith.subi %c6{{.*}}, %c1{{.*}} : i64
! CHECK: %[[elt:.*]] = fir.coordinate_of %[[x]], %[[idx]] : (!fir.ref<!fir.array<100x!fir.char<1,20>>>, i64) -> !fir.ref<!fir.char<1,20>>
! CHECK: %[[eltCast:.*]] = fir.convert %[[elt:.*]] : (!fir.ref<!fir.char<1,20>>) -> !fir.ref<!fir.array<20x!fir.char<1>>>
! CHECK: %[[coor:.*]] = fir.coordinate_of %[[eltCast]], %{{.*}} : (!fir.ref<!fir.array<20x!fir.char<1>>>, index) -> !fir.ref<!fir.char<1>>
! CHECK: %[[substring:.*]] = fir.convert %[[coor]] : (!fir.ref<!fir.char<1>>) -> !fir.ref<!fir.char<1,?>>
! CHECK: %[[box:.*]] = fir.embox %[[substring]] typeparams %{{.*}}: (!fir.ref<!fir.char<1,?>>, index) -> !fir.box<!fir.char<1,?>>
! CHECK: %[[rebox:.*]] = fir.rebox %[[box]] : (!fir.box<!fir.char<1,?>>) -> !fir.box<!fir.ptr<!fir.char<1,10>>>
! CHECK: fir.has_value %[[rebox]] : !fir.box<!fir.ptr<!fir.char<1,10>>>
end subroutine
! -----------------------------------------------------------------------------
! Test array initial data target that are data references
! -----------------------------------------------------------------------------
subroutine array_ref()
real, save, target :: x(4:103, 5:104)
real, pointer :: p(:) => x(10, 20:100:2)
end subroutine
! CHECK-LABEL: fir.global internal @_QFarray_refEp : !fir.box<!fir.ptr<!fir.array<?xf32>>> {
! CHECK: %[[VAL_0:.*]] = fir.address_of(@_QFarray_refEx) : !fir.ref<!fir.array<100x100xf32>>
! CHECK: %[[VAL_1:.*]] = arith.constant 4 : index
! CHECK: %[[VAL_2:.*]] = arith.constant 100 : index
! CHECK: %[[VAL_3:.*]] = arith.constant 5 : index
! CHECK: %[[VAL_4:.*]] = arith.constant 100 : index
! CHECK: %[[VAL_5:.*]] = arith.constant 1 : index
! CHECK: %[[VAL_6:.*]] = arith.constant 1 : index
! CHECK: %[[VAL_7:.*]] = arith.constant 10 : i64
! CHECK: %[[VAL_8:.*]] = fir.undefined index
! CHECK: %[[VAL_9:.*]] = fir.convert %[[VAL_7]] : (i64) -> index
! CHECK: %[[VAL_10:.*]] = arith.subi %[[VAL_9]], %[[VAL_1]] : index
! CHECK: %[[VAL_11:.*]] = arith.constant 20 : i64
! CHECK: %[[VAL_12:.*]] = fir.convert %[[VAL_11]] : (i64) -> index
! CHECK: %[[VAL_13:.*]] = arith.constant 2 : i64
! CHECK: %[[VAL_14:.*]] = fir.convert %[[VAL_13]] : (i64) -> index
! CHECK: %[[VAL_15:.*]] = arith.constant 100 : i64
! CHECK: %[[VAL_16:.*]] = fir.convert %[[VAL_15]] : (i64) -> index
! CHECK: %[[VAL_17:.*]] = arith.constant 0 : index
! CHECK: %[[VAL_18:.*]] = arith.subi %[[VAL_16]], %[[VAL_12]] : index
! CHECK: %[[VAL_19:.*]] = arith.addi %[[VAL_18]], %[[VAL_14]] : index
! CHECK: %[[VAL_20:.*]] = arith.divsi %[[VAL_19]], %[[VAL_14]] : index
! CHECK: %[[VAL_21:.*]] = arith.cmpi sgt, %[[VAL_20]], %[[VAL_17]] : index
! CHECK: %[[VAL_22:.*]] = arith.select %[[VAL_21]], %[[VAL_20]], %[[VAL_17]] : index
! CHECK: %[[VAL_23:.*]] = fir.shape_shift %[[VAL_1]], %[[VAL_2]], %[[VAL_3]], %[[VAL_4]] : (index, index, index, index) -> !fir.shapeshift<2>
! CHECK: %[[VAL_24:.*]] = fir.slice %[[VAL_7]], %[[VAL_8]], %[[VAL_8]], %[[VAL_12]], %[[VAL_16]], %[[VAL_14]] : (i64, index, index, index, index, index) -> !fir.slice<2>
! CHECK: %[[VAL_25:.*]] = fir.embox %[[VAL_0]](%[[VAL_23]]) {{\[}}%[[VAL_24]]] : (!fir.ref<!fir.array<100x100xf32>>, !fir.shapeshift<2>, !fir.slice<2>) -> !fir.box<!fir.array<41xf32>>
! CHECK: %[[VAL_26:.*]] = fir.rebox %[[VAL_25]] : (!fir.box<!fir.array<41xf32>>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>>
! CHECK: fir.has_value %[[VAL_26]] : !fir.box<!fir.ptr<!fir.array<?xf32>>>
! CHECK: }
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