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Differential D121473

[flang] Add tests for allocatable global
ClosedPublic

Authored by clementval on Mar 11 2022, 9:03 AM.

Details

Reviewers
jeanPerier
PeteSteinfeld
schweitz
svedanayagam
klausler
Commits
rG179ea3559d05: [flang] Add tests for allocatable global
Summary

This patch adds couple of tests for allocatable
globals and missing lowering for them

This patch is part of the upstreaming effort from fir-dev branch.

Diff Detail

Event Timeline

clementval created this revision.Mar 11 2022, 9:03 AM
Herald added projects: Restricted Project, Restricted Project. · View Herald TranscriptMar 11 2022, 9:03 AM
clementval requested review of this revision.Mar 11 2022, 9:03 AM
Herald added a subscriber: jdoerfert. · View Herald TranscriptMar 11 2022, 9:03 AM
Harbormaster completed remote builds in B153786: Diff 414676.Mar 11 2022, 9:19 AM
PeteSteinfeld accepted this revision.Mar 11 2022, 9:32 AM

All builds and tests correctly and looks good.

This revision is now accepted and ready to land.Mar 11 2022, 9:32 AM
Closed by commit rG179ea3559d05: [flang] Add tests for allocatable global (authored by clementval). · Explain WhyMar 11 2022, 9:40 AM
This revision was automatically updated to reflect the committed changes.
clementval added a commit: rG179ea3559d05: [flang] Add tests for allocatable global.

Revision Contents

PathSize
flang/
test/
Lower/
72 lines
159 lines

Diff 414676

flang/test/Lower/allocatable-globals.f90

  • This file was added.
! RUN: bbc -emit-fir %s -o - | FileCheck %s
! RUN: bbc -emit-fir -use-alloc-runtime %s -o - | FileCheck %s
! Test global allocatable definition lowering
! CHECK-LABEL: fir.global @_QMmod_allocatablesEc : !fir.box<!fir.heap<!fir.array<?x!fir.char<1,10>>>> {
! CHECK-DAG: %[[modcNullAddr:.*]] = fir.zero_bits !fir.heap<!fir.array<?x!fir.char<1,10>>>
! CHECK-DAG: %[[modcShape:.*]] = fir.shape %c0{{.*}} : (index) -> !fir.shape<1>
! CHECK: %[[modcInitBox:.*]] = fir.embox %[[modcNullAddr]](%[[modcShape]]) : (!fir.heap<!fir.array<?x!fir.char<1,10>>>, !fir.shape<1>) -> !fir.box<!fir.heap<!fir.array<?x!fir.char<1,10>>>>
! CHECK: fir.has_value %[[modcInitBox]] : !fir.box<!fir.heap<!fir.array<?x!fir.char<1,10>>>>
module mod_allocatables
character(10), allocatable :: c(:)
end module
! CHECK-LABEL: func @_QPtest_mod_allocatables()
subroutine test_mod_allocatables()
use mod_allocatables, only: c
! CHECK: fir.address_of(@_QMmod_allocatablesEc) : !fir.ref<!fir.box<!fir.heap<!fir.array<?x!fir.char<1,10>>>>>
call bar(c(1))
end subroutine
! CHECK-LABEL: func @_QPtest_globals()
subroutine test_globals()
integer, allocatable :: gx, gy(:, :)
save :: gx, gy
! CHECK-DAG: fir.address_of(@_QFtest_globalsEgx) : !fir.ref<!fir.box<!fir.heap<i32>>>
! CHECK-DAG: fir.address_of(@_QFtest_globalsEgy) : !fir.ref<!fir.box<!fir.heap<!fir.array<?x?xi32>>>>
character(:), allocatable :: gc1, gc2(:, :)
character(10), allocatable :: gc3, gc4(:, :)
save :: gc1, gc2, gc3, gc4
! CHECK-DAG: fir.address_of(@_QFtest_globalsEgc1) : !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>
! CHECK-DAG: fir.address_of(@_QFtest_globalsEgc2) : !fir.ref<!fir.box<!fir.heap<!fir.array<?x?x!fir.char<1,?>>>>>
! CHECK-DAG: fir.address_of(@_QFtest_globalsEgc3) : !fir.ref<!fir.box<!fir.heap<!fir.char<1,10>>>>
! CHECK-DAG: fir.address_of(@_QFtest_globalsEgc4) : !fir.ref<!fir.box<!fir.heap<!fir.array<?x?x!fir.char<1,10>>>>>
allocate(gx, gy(20, 30), gc3, gc4(40, 50))
allocate(character(15):: gc1, gc2(60, 70))
end subroutine
! CHECK-LABEL: fir.global internal @_QFtest_globalsEgc1 : !fir.box<!fir.heap<!fir.char<1,?>>>
! CHECK-DAG: %[[gc1NullAddr:.*]] = fir.zero_bits !fir.heap<!fir.char<1,?>>
! CHECK: %[[gc1InitBox:.*]] = fir.embox %[[gc1NullAddr]] typeparams %c0{{.*}} : (!fir.heap<!fir.char<1,?>>, index) -> !fir.box<!fir.heap<!fir.char<1,?>>>
! CHECK: fir.has_value %[[gc1InitBox]] : !fir.box<!fir.heap<!fir.char<1,?>>>
! CHECK-LABEL: fir.global internal @_QFtest_globalsEgc2 : !fir.box<!fir.heap<!fir.array<?x?x!fir.char<1,?>>>>
! CHECK-DAG: %[[gc2NullAddr:.*]] = fir.zero_bits !fir.heap<!fir.array<?x?x!fir.char<1,?>>>
! CHECK-DAG: %[[gc2NullShape:.*]] = fir.shape %c0{{.*}}, %c0{{.*}} : (index, index) -> !fir.shape<2>
! CHECK: %[[gc2InitBox:.*]] = fir.embox %[[gc2NullAddr]](%[[gc2NullShape]]) typeparams %c0{{.*}} : (!fir.heap<!fir.array<?x?x!fir.char<1,?>>>, !fir.shape<2>, index) -> !fir.box<!fir.heap<!fir.array<?x?x!fir.char<1,?>>>>
! CHECK: fir.has_value %[[gc2InitBox]] : !fir.box<!fir.heap<!fir.array<?x?x!fir.char<1,?>>>>
! CHECK-LABEL: fir.global internal @_QFtest_globalsEgc3 : !fir.box<!fir.heap<!fir.char<1,10>>>
! CHECK-DAG: %[[gc3NullAddr:.*]] = fir.zero_bits !fir.heap<!fir.char<1,10>>
! CHECK: %[[gc3InitBox:.*]] = fir.embox %[[gc3NullAddr]] : (!fir.heap<!fir.char<1,10>>) -> !fir.box<!fir.heap<!fir.char<1,10>>>
! CHECK: fir.has_value %[[gc3InitBox]] : !fir.box<!fir.heap<!fir.char<1,10>>>
! CHECK-LABEL: fir.global internal @_QFtest_globalsEgc4 : !fir.box<!fir.heap<!fir.array<?x?x!fir.char<1,10>>>>
! CHECK-DAG: %[[gc4NullAddr:.*]] = fir.zero_bits !fir.heap<!fir.array<?x?x!fir.char<1,10>>>
! CHECK-DAG: %[[gc4NullShape:.*]] = fir.shape %c0{{.*}}, %c0{{.*}} : (index, index) -> !fir.shape<2>
! CHECK: %[[gc4InitBox:.*]] = fir.embox %[[gc4NullAddr]](%[[gc4NullShape]]) : (!fir.heap<!fir.array<?x?x!fir.char<1,10>>>, !fir.shape<2>) -> !fir.box<!fir.heap<!fir.array<?x?x!fir.char<1,10>>>>
! CHECK: fir.has_value %[[gc4InitBox]] : !fir.box<!fir.heap<!fir.array<?x?x!fir.char<1,10>>>>
! CHECK-LABEL: fir.global internal @_QFtest_globalsEgx : !fir.box<!fir.heap<i32>>
! CHECK: %[[gxNullAddr:.*]] = fir.zero_bits !fir.heap<i32>
! CHECK: %[[gxInitBox:.*]] = fir.embox %0 : (!fir.heap<i32>) -> !fir.box<!fir.heap<i32>>
! CHECK: fir.has_value %[[gxInitBox]] : !fir.box<!fir.heap<i32>>
! CHECK-LABEL: fir.global internal @_QFtest_globalsEgy : !fir.box<!fir.heap<!fir.array<?x?xi32>>> {
! CHECK-DAG: %[[gyNullAddr:.*]] = fir.zero_bits !fir.heap<!fir.array<?x?xi32>>
! CHECK-DAG: %[[gyShape:.*]] = fir.shape %c0{{.*}}, %c0{{.*}} : (index, index) -> !fir.shape<2>
! CHECK: %[[gyInitBox:.*]] = fir.embox %[[gyNullAddr]](%[[gyShape]]) : (!fir.heap<!fir.array<?x?xi32>>, !fir.shape<2>) -> !fir.box<!fir.heap<!fir.array<?x?xi32>>>
! CHECK: fir.has_value %[[gyInitBox]] : !fir.box<!fir.heap<!fir.array<?x?xi32>>>

flang/test/Lower/allocatable-runtime.f90

  • This file was added.
! RUN: bbc -emit-fir -use-alloc-runtime %s -o - | FileCheck %s
! Test lowering of allocatables using runtime for allocate/deallcoate statements.
! CHECK-LABEL: _QPfoo
subroutine foo()
real, allocatable :: x(:), y(:, :), z
! CHECK: %[[xBoxAddr:.*]] = fir.alloca !fir.box<!fir.heap<!fir.array<?xf32>>> {{{.*}}uniq_name = "_QFfooEx"}
! CHECK-DAG: %[[xNullAddr:.*]] = fir.zero_bits !fir.heap<!fir.array<?xf32>>
! CHECK-DAG: %[[xNullShape:.*]] = fir.shape %c0{{.*}} : (index) -> !fir.shape<1>
! CHECK: %[[xInitEmbox:.*]] = fir.embox %[[xNullAddr]](%[[xNullShape]]) : (!fir.heap<!fir.array<?xf32>>, !fir.shape<1>) -> !fir.box<!fir.heap<!fir.array<?xf32>>>
! CHECK: fir.store %[[xInitEmbox]] to %[[xBoxAddr]] : !fir.ref<!fir.box<!fir.heap<!fir.array<?xf32>>>>
! CHECK: %[[yBoxAddr:.*]] = fir.alloca !fir.box<!fir.heap<!fir.array<?x?xf32>>> {{{.*}}uniq_name = "_QFfooEy"}
! CHECK-DAG: %[[yNullAddr:.*]] = fir.zero_bits !fir.heap<!fir.array<?x?xf32>>
! CHECK-DAG: %[[yNullShape:.*]] = fir.shape %c0{{.*}}, %c0{{.*}} : (index, index) -> !fir.shape<2>
! CHECK: %[[yInitEmbox:.*]] = fir.embox %[[yNullAddr]](%[[yNullShape]]) : (!fir.heap<!fir.array<?x?xf32>>, !fir.shape<2>) -> !fir.box<!fir.heap<!fir.array<?x?xf32>>>
! CHECK: fir.store %[[yInitEmbox]] to %[[yBoxAddr]] : !fir.ref<!fir.box<!fir.heap<!fir.array<?x?xf32>>>>
! CHECK: %[[zBoxAddr:.*]] = fir.alloca !fir.box<!fir.heap<f32>> {{{.*}}uniq_name = "_QFfooEz"}
! CHECK: %[[zNullAddr:.*]] = fir.zero_bits !fir.heap<f32>
! CHECK: %[[zInitEmbox:.*]] = fir.embox %[[zNullAddr]] : (!fir.heap<f32>) -> !fir.box<!fir.heap<f32>>
! CHECK: fir.store %[[zInitEmbox]] to %[[zBoxAddr]] : !fir.ref<!fir.box<!fir.heap<f32>>>
allocate(x(42:100), y(43:50, 51), z)
! CHECK-DAG: %[[errMsg:.*]] = fir.absent !fir.box<none>
! CHECK-DAG: %[[xlb:.*]] = arith.constant 42 : i32
! CHECK-DAG: %[[xub:.*]] = arith.constant 100 : i32
! CHECK-DAG: %[[xBoxCast2:.*]] = fir.convert %[[xBoxAddr]] : (!fir.ref<!fir.box<!fir.heap<!fir.array<?xf32>>>>) -> !fir.ref<!fir.box<none>>
! CHECK-DAG: %[[xlbCast:.*]] = fir.convert %[[xlb]] : (i32) -> i64
! CHECK-DAG: %[[xubCast:.*]] = fir.convert %[[xub]] : (i32) -> i64
! CHECK: fir.call @{{.*}}AllocatableSetBounds(%[[xBoxCast2]], %c0{{.*}}, %[[xlbCast]], %[[xubCast]]) : (!fir.ref<!fir.box<none>>, i32, i64, i64) -> none
! CHECK-DAG: %[[xBoxCast3:.*]] = fir.convert %[[xBoxAddr]] : (!fir.ref<!fir.box<!fir.heap<!fir.array<?xf32>>>>) -> !fir.ref<!fir.box<none>>
! CHECK-DAG: %[[sourceFile:.*]] = fir.convert %{{.*}} -> !fir.ref<i8>
! CHECK: fir.call @{{.*}}AllocatableAllocate(%[[xBoxCast3]], %false{{.*}}, %[[errMsg]], %[[sourceFile]], %{{.*}}) : (!fir.ref<!fir.box<none>>, i1, !fir.box<none>, !fir.ref<i8>, i32) -> i32
! Simply check that we are emitting the right numebr of set bound for y and z. Otherwise, this is just like x.
! CHECK: fir.convert %[[yBoxAddr]] : (!fir.ref<!fir.box<!fir.heap<!fir.array<?x?xf32>>>>) -> !fir.ref<!fir.box<none>>
! CHECK: fir.call @{{.*}}AllocatableSetBounds
! CHECK: fir.call @{{.*}}AllocatableSetBounds
! CHECK: fir.call @{{.*}}AllocatableAllocate
! CHECK: %[[zBoxCast:.*]] = fir.convert %[[zBoxAddr]] : (!fir.ref<!fir.box<!fir.heap<f32>>>) -> !fir.ref<!fir.box<none>>
! CHECK-NOT: fir.call @{{.*}}AllocatableSetBounds
! CHECK: fir.call @{{.*}}AllocatableAllocate
! Check that y descriptor is read when referencing it.
! CHECK: %[[yBoxLoad:.*]] = fir.load %[[yBoxAddr]] : !fir.ref<!fir.box<!fir.heap<!fir.array<?x?xf32>>>>
! CHECK: %[[yBounds1:.*]]:3 = fir.box_dims %[[yBoxLoad]], %c0{{.*}} : (!fir.box<!fir.heap<!fir.array<?x?xf32>>>, index) -> (index, index, index)
! CHECK: %[[yBounds2:.*]]:3 = fir.box_dims %[[yBoxLoad]], %c1{{.*}} : (!fir.box<!fir.heap<!fir.array<?x?xf32>>>, index) -> (index, index, index)
! CHECK: %[[yAddr:.*]] = fir.box_addr %[[yBoxLoad]] : (!fir.box<!fir.heap<!fir.array<?x?xf32>>>) -> !fir.heap<!fir.array<?x?xf32>>
print *, x, y(45, 46), z
deallocate(x, y, z)
! CHECK: %[[xBoxCast4:.*]] = fir.convert %[[xBoxAddr]] : (!fir.ref<!fir.box<!fir.heap<!fir.array<?xf32>>>>) -> !fir.ref<!fir.box<none>>
! CHECK: fir.call @{{.*}}AllocatableDeallocate(%[[xBoxCast4]], {{.*}})
! CHECK: %[[yBoxCast4:.*]] = fir.convert %[[yBoxAddr]] : (!fir.ref<!fir.box<!fir.heap<!fir.array<?x?xf32>>>>) -> !fir.ref<!fir.box<none>>
! CHECK: fir.call @{{.*}}AllocatableDeallocate(%[[yBoxCast4]], {{.*}})
! CHECK: %[[zBoxCast4:.*]] = fir.convert %[[zBoxAddr]] : (!fir.ref<!fir.box<!fir.heap<f32>>>) -> !fir.ref<!fir.box<none>>
! CHECK: fir.call @{{.*}}AllocatableDeallocate(%[[zBoxCast4]], {{.*}})
end subroutine
! test lowering of character allocatables
! CHECK-LABEL: _QPchar_deferred(
subroutine char_deferred(n)
integer :: n
character(:), allocatable :: scalar, array(:)
! CHECK-DAG: %[[sBoxAddr:.*]] = fir.alloca !fir.box<!fir.heap<!fir.char<1,?>>> {{{.*}}uniq_name = "_QFchar_deferredEscalar"}
! CHECK-DAG: %[[sNullAddr:.*]] = fir.zero_bits !fir.heap<!fir.char<1,?>>
! CHECK-DAG: %[[sInitBox:.*]] = fir.embox %[[sNullAddr]] typeparams %c0{{.*}} : (!fir.heap<!fir.char<1,?>>, index) -> !fir.box<!fir.heap<!fir.char<1,?>>>
! CHECK-DAG: fir.store %[[sInitBox]] to %[[sBoxAddr]] : !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>
! CHECK-DAG: %[[aBoxAddr:.*]] = fir.alloca !fir.box<!fir.heap<!fir.array<?x!fir.char<1,?>>>> {{{.*}}uniq_name = "_QFchar_deferredEarray"}
! CHECK-DAG: %[[aNullAddr:.*]] = fir.zero_bits !fir.heap<!fir.array<?x!fir.char<1,?>>>
! CHECK-DAG: %[[aNullShape:.*]] = fir.shape %c0{{.*}} : (index) -> !fir.shape<1>
! CHECK-DAG: %[[aInitBox:.*]] = fir.embox %[[aNullAddr]](%[[aNullShape]]) typeparams %c0{{.*}} : (!fir.heap<!fir.array<?x!fir.char<1,?>>>, !fir.shape<1>, index) -> !fir.box<!fir.heap<!fir.array<?x!fir.char<1,?>>>>
! CHECK-DAG: fir.store %[[aInitBox]] to %[[aBoxAddr]] : !fir.ref<!fir.box<!fir.heap<!fir.array<?x!fir.char<1,?>>>>>
allocate(character(10):: scalar, array(30))
! CHECK-DAG: %[[sBoxCast1:.*]] = fir.convert %[[sBoxAddr]] : (!fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>) -> !fir.ref<!fir.box<none>>
! CHECK-DAG: %[[ten1:.*]] = fir.convert %c10{{.*}} : (i32) -> i64
! CHECK: fir.call @{{.*}}AllocatableInitCharacter(%[[sBoxCast1]], %[[ten1]], %c1{{.*}}, %c0{{.*}}, %c0{{.*}})
! CHECK-NOT: AllocatableSetBounds
! CHECK: %[[sBoxCast2:.*]] = fir.convert %[[sBoxAddr]] : (!fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>) -> !fir.ref<!fir.box<none>>
! CHECK: fir.call @{{.*}}AllocatableAllocate(%[[sBoxCast2]]
! CHECK-DAG: %[[aBoxCast1:.*]] = fir.convert %[[aBoxAddr]] : (!fir.ref<!fir.box<!fir.heap<!fir.array<?x!fir.char<1,?>>>>>) -> !fir.ref<!fir.box<none>>
! CHECK-DAG: %[[ten2:.*]] = fir.convert %c10{{.*}} : (i32) -> i64
! CHECK: fir.call @{{.*}}AllocatableInitCharacter(%[[aBoxCast1]], %[[ten2]], %c1{{.*}}, %c1{{.*}}, %c0{{.*}})
! CHECK: %[[aBoxCast2:.*]] = fir.convert %[[aBoxAddr]] : (!fir.ref<!fir.box<!fir.heap<!fir.array<?x!fir.char<1,?>>>>>) -> !fir.ref<!fir.box<none>>
! CHECK: fir.call @{{.*}}AllocatableSetBounds(%[[aBoxCast2]]
! CHECK: %[[aBoxCast3:.*]] = fir.convert %[[aBoxAddr]] : (!fir.ref<!fir.box<!fir.heap<!fir.array<?x!fir.char<1,?>>>>>) -> !fir.ref<!fir.box<none>>
! CHECK: fir.call @{{.*}}AllocatableAllocate(%[[aBoxCast3]]
deallocate(scalar, array)
! CHECK: %[[sBoxCast3:.*]] = fir.convert %[[sBoxAddr]] : (!fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>) -> !fir.ref<!fir.box<none>>
! CHECK: fir.call @{{.*}}AllocatableDeallocate(%[[sBoxCast3]]
! CHECK: %[[aBoxCast4:.*]] = fir.convert %[[aBoxAddr]] : (!fir.ref<!fir.box<!fir.heap<!fir.array<?x!fir.char<1,?>>>>>) -> !fir.ref<!fir.box<none>>
! CHECK: fir.call @{{.*}}AllocatableDeallocate(%[[aBoxCast4]]
! only testing that the correct length is set in the descriptor.
allocate(character(n):: scalar, array(40))
! CHECK: %[[n:.*]] = fir.load %arg0 : !fir.ref<i32>
! CHECK-DAG: %[[ncast1:.*]] = fir.convert %[[n]] : (i32) -> i64
! CHECK-DAG: %[[sBoxCast4:.*]] = fir.convert %[[sBoxAddr]] : (!fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>) -> !fir.ref<!fir.box<none>>
! CHECK: fir.call @{{.*}}AllocatableInitCharacter(%[[sBoxCast4]], %[[ncast1]], %c1{{.*}}, %c0{{.*}}, %c0{{.*}})
! CHECK-DAG: %[[ncast2:.*]] = fir.convert %[[n]] : (i32) -> i64
! CHECK-DAG: %[[aBoxCast5:.*]] = fir.convert %[[aBoxAddr]] : (!fir.ref<!fir.box<!fir.heap<!fir.array<?x!fir.char<1,?>>>>>) -> !fir.ref<!fir.box<none>>
! CHECK: fir.call @{{.*}}AllocatableInitCharacter(%[[aBoxCast5]], %[[ncast2]], %c1{{.*}}, %c1{{.*}}, %c0{{.*}})
end subroutine
! CHECK-LABEL: _QPchar_explicit_cst(
subroutine char_explicit_cst(n)
integer :: n
character(10), allocatable :: scalar, array(:)
! CHECK-DAG: %[[sBoxAddr:.*]] = fir.alloca !fir.box<!fir.heap<!fir.char<1,10>>> {{{.*}}uniq_name = "_QFchar_explicit_cstEscalar"}
! CHECK-DAG: %[[sNullAddr:.*]] = fir.zero_bits !fir.heap<!fir.char<1,10>>
! CHECK-DAG: %[[sInitBox:.*]] = fir.embox %[[sNullAddr]] : (!fir.heap<!fir.char<1,10>>) -> !fir.box<!fir.heap<!fir.char<1,10>>>
! CHECK-DAG: fir.store %[[sInitBox]] to %[[sBoxAddr]] : !fir.ref<!fir.box<!fir.heap<!fir.char<1,10>>>>
! CHECK-DAG: %[[aBoxAddr:.*]] = fir.alloca !fir.box<!fir.heap<!fir.array<?x!fir.char<1,10>>>> {{{.*}}uniq_name = "_QFchar_explicit_cstEarray"}
! CHECK-DAG: %[[aNullAddr:.*]] = fir.zero_bits !fir.heap<!fir.array<?x!fir.char<1,10>>>
! CHECK-DAG: %[[aNullShape:.*]] = fir.shape %c0{{.*}} : (index) -> !fir.shape<1>
! CHECK-DAG: %[[aInitBox:.*]] = fir.embox %[[aNullAddr]](%[[aNullShape]]) : (!fir.heap<!fir.array<?x!fir.char<1,10>>>, !fir.shape<1>) -> !fir.box<!fir.heap<!fir.array<?x!fir.char<1,10>>>>
! CHECK-DAG: fir.store %[[aInitBox]] to %[[aBoxAddr]] : !fir.ref<!fir.box<!fir.heap<!fir.array<?x!fir.char<1,10>>>>>
allocate(scalar, array(20))
! CHECK-NOT: AllocatableInitCharacter
! CHECK: AllocatableAllocate
! CHECK-NOT: AllocatableInitCharacter
! CHECK: AllocatableAllocate
deallocate(scalar, array)
! CHECK: AllocatableDeallocate
! CHECK: AllocatableDeallocate
end subroutine
! CHECK-LABEL: _QPchar_explicit_dyn(
subroutine char_explicit_dyn(n, l1, l2)
integer :: n, l1, l2
character(l1), allocatable :: scalar
! CHECK-DAG: %[[l1:.*]] = fir.load %arg1 : !fir.ref<i32>
! CHECK-DAG: %[[sBoxAddr:.*]] = fir.alloca !fir.box<!fir.heap<!fir.char<1,?>>> {{{.*}}uniq_name = "_QFchar_explicit_dynEscalar"}
! CHECK-DAG: %[[sNullAddr:.*]] = fir.zero_bits !fir.heap<!fir.char<1,?>>
! CHECK-DAG: %[[sInitBox:.*]] = fir.embox %[[sNullAddr]] typeparams %[[l1]] : (!fir.heap<!fir.char<1,?>>, i32) -> !fir.box<!fir.heap<!fir.char<1,?>>>
! CHECK-DAG: fir.store %[[sInitBox]] to %[[sBoxAddr]] : !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>
character(l2), allocatable :: array(:)
! CHECK-DAG: %[[l2:.*]] = fir.load %arg2 : !fir.ref<i32>
! CHECK-DAG: %[[aBoxAddr:.*]] = fir.alloca !fir.box<!fir.heap<!fir.array<?x!fir.char<1,?>>>> {{{.*}}uniq_name = "_QFchar_explicit_dynEarray"}
! CHECK-DAG: %[[aNullAddr:.*]] = fir.zero_bits !fir.heap<!fir.array<?x!fir.char<1,?>>>
! CHECK-DAG: %[[aNullShape:.*]] = fir.shape %c0{{.*}} : (index) -> !fir.shape<1>
! CHECK-DAG: %[[aInitBox:.*]] = fir.embox %[[aNullAddr]](%[[aNullShape]]) typeparams %[[l2]] : (!fir.heap<!fir.array<?x!fir.char<1,?>>>, !fir.shape<1>, i32) -> !fir.box<!fir.heap<!fir.array<?x!fir.char<1,?>>>>
! CHECK-DAG: fir.store %[[aInitBox]] to %[[aBoxAddr]] : !fir.ref<!fir.box<!fir.heap<!fir.array<?x!fir.char<1,?>>>>>
allocate(scalar, array(20))
! CHECK-NOT: AllocatableInitCharacter
! CHECK: AllocatableAllocate
! CHECK-NOT: AllocatableInitCharacter
! CHECK: AllocatableAllocate
deallocate(scalar, array)
! CHECK: AllocatableDeallocate
! CHECK: AllocatableDeallocate
end subroutine