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