85 lines
4.8 KiB
Fortran
85 lines
4.8 KiB
Fortran
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! Test lowering of pointer initial target
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! RUN: bbc -emit-fir -hlfir=false %s -o - | FileCheck %s
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! This tests focus on the scope context of initial data target.
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! More complete tests regarding the initial data target expression
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! are done in pointer-initial-target.f90.
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! Test pointer initial data target with pointer in common blocks
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block data
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real, pointer :: p
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real, save, target :: b
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common /a/ p
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data p /b/
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! CHECK-LABEL: fir.global @a_ : tuple<!fir.box<!fir.ptr<f32>>>
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! CHECK: %[[undef:.*]] = fir.zero_bits tuple<!fir.box<!fir.ptr<f32>>>
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! CHECK: %[[b:.*]] = fir.address_of(@_QEb) : !fir.ref<f32>
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! CHECK: %[[box:.*]] = fir.embox %[[b]] : (!fir.ref<f32>) -> !fir.box<f32>
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! CHECK: %[[rebox:.*]] = fir.rebox %[[box]] : (!fir.box<f32>) -> !fir.box<!fir.ptr<f32>>
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! CHECK: %[[a:.*]] = fir.insert_value %[[undef]], %[[rebox]], [0 : index] : (tuple<!fir.box<!fir.ptr<f32>>>, !fir.box<!fir.ptr<f32>>) -> tuple<!fir.box<!fir.ptr<f32>>>
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! CHECK: fir.has_value %[[a]] : tuple<!fir.box<!fir.ptr<f32>>>
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end block data
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! Test two common depending on each others because of initial data
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! targets
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block data tied
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real, target :: x1 = 42
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real, target :: x2 = 43
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real, pointer :: p1 => x2
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real, pointer :: p2 => x1
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common /c1/ x1, p1
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common /c2/ x2, p2
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! CHECK-LABEL: fir.global @c1_ : tuple<f32, !fir.array<4xi8>, !fir.box<!fir.ptr<f32>>>
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! CHECK: fir.address_of(@c2_) : !fir.ref<tuple<f32, !fir.array<4xi8>, !fir.box<!fir.ptr<f32>>>>
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! CHECK-LABEL: fir.global @c2_ : tuple<f32, !fir.array<4xi8>, !fir.box<!fir.ptr<f32>>>
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! CHECK: fir.address_of(@c1_) : !fir.ref<tuple<f32, !fir.array<4xi8>, !fir.box<!fir.ptr<f32>>>>
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end block data
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! Test pointer in a common with initial target in the same common.
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block data bdsnake
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integer, target :: b = 42
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integer, pointer :: p => b
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common /snake/ p, b
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! CHECK-LABEL: fir.global @snake_ : tuple<!fir.box<!fir.ptr<i32>>, i32>
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! CHECK: %[[tuple0:.*]] = fir.zero_bits tuple<!fir.box<!fir.ptr<i32>>, i32>
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! CHECK: %[[snakeAddr:.*]] = fir.address_of(@snake_) : !fir.ref<tuple<!fir.box<!fir.ptr<i32>>, i32>>
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! CHECK: %[[byteView:.*]] = fir.convert %[[snakeAddr:.*]] : (!fir.ref<tuple<!fir.box<!fir.ptr<i32>>, i32>>) -> !fir.ref<!fir.array<?xi8>>
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! CHECK: %[[coor:.*]] = fir.coordinate_of %[[byteView]], %c24{{.*}} : (!fir.ref<!fir.array<?xi8>>, index) -> !fir.ref<i8>
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! CHECK: %[[bAddr:.*]] = fir.convert %[[coor]] : (!fir.ref<i8>) -> !fir.ref<i32>
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! CHECK: %[[box:.*]] = fir.embox %[[bAddr]] : (!fir.ref<i32>) -> !fir.box<i32>
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! CHECK: %[[rebox:.*]] = fir.rebox %[[box]] : (!fir.box<i32>) -> !fir.box<!fir.ptr<i32>>
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! CHECK: %[[tuple1:.*]] = fir.insert_value %[[tuple0]], %[[rebox]], [0 : index] : (tuple<!fir.box<!fir.ptr<i32>>, i32>, !fir.box<!fir.ptr<i32>>) -> tuple<!fir.box<!fir.ptr<i32>>, i32>
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! CHECK: %[[tuple2:.*]] = fir.insert_value %[[tuple1]], %c42{{.*}}, [1 : index] : (tuple<!fir.box<!fir.ptr<i32>>, i32>, i32) -> tuple<!fir.box<!fir.ptr<i32>>, i32>
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! CHECK: fir.has_value %[[tuple2]] : tuple<!fir.box<!fir.ptr<i32>>, i32>
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end block data
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! Test pointer initial data target in modules
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module some_mod
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real, target :: x(100)
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real, pointer :: p(:) => x
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! CHECK-LABEL: fir.global @_QMsome_modEp : !fir.box<!fir.ptr<!fir.array<?xf32>>> {
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! CHECK: %[[x:.*]] = fir.address_of(@_QMsome_modEx) : !fir.ref<!fir.array<100xf32>>
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! CHECK: %[[shape:.*]] = fir.shape %c100{{.*}} : (index) -> !fir.shape<1>
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! CHECK: %[[box:.*]] = fir.embox %[[x]](%[[shape]]) : (!fir.ref<!fir.array<100xf32>>, !fir.shape<1>) -> !fir.box<!fir.array<100xf32>>
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! CHECK: %[[rebox:.*]] = fir.rebox %[[box]] : (!fir.box<!fir.array<100xf32>>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>>
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! CHECK: fir.has_value %[[rebox]] : !fir.box<!fir.ptr<!fir.array<?xf32>>>
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end module
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! Test initial data target in a common block
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module some_mod_2
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real, target :: x(100), y(10:209)
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common /com/ x, y
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save :: /com/
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real, pointer :: p(:) => y
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! CHECK-LABEL: fir.global @_QMsome_mod_2Ep : !fir.box<!fir.ptr<!fir.array<?xf32>>> {
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! CHECK: %[[c:.*]] = fir.address_of(@com_) : !fir.ref<!fir.array<1200xi8>>
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! CHECK: %[[com:.*]] = fir.convert %[[c]] : (!fir.ref<!fir.array<1200xi8>>) -> !fir.ref<!fir.array<?xi8>>
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! CHECK: %[[yRaw:.*]] = fir.coordinate_of %[[com]], %c400{{.*}} : (!fir.ref<!fir.array<?xi8>>, index) -> !fir.ref<i8>
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! CHECK: %[[y:.*]] = fir.convert %[[yRaw]] : (!fir.ref<i8>) -> !fir.ref<!fir.array<200xf32>>
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! CHECK: %[[shape:.*]] = fir.shape_shift %c10{{.*}}, %c200{{.*}} : (index, index) -> !fir.shapeshift<1>
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! CHECK: %[[box:.*]] = fir.embox %[[y]](%[[shape]]) : (!fir.ref<!fir.array<200xf32>>, !fir.shapeshift<1>) -> !fir.box<!fir.array<200xf32>>
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! CHECK: %[[shift:.*]] = fir.shift %c10{{.*}} : (index) -> !fir.shift<1>
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! CHECK: %[[rebox:.*]] = fir.rebox %[[box]](%[[shift]]) : (!fir.box<!fir.array<200xf32>>, !fir.shift<1>) -> !fir.box<!fir.ptr<!fir.array<?xf32>>>
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! CHECK: fir.has_value %[[rebox]] : !fir.box<!fir.ptr<!fir.array<?xf32>>>
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end module
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