derek.holloway
7502bf64a4
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240 lines
6.7 KiB
Fortran
240 lines
6.7 KiB
Fortran
! Test automatic deallocation of local allocatables as described in
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! Fortran 2018 standard 9.7.3.2 point 2. and 3.
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! RUN: bbc -emit-hlfir -o - %s | FileCheck %s
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module dtypedef
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type must_finalize
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integer :: i
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contains
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final :: finalize
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end type
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type contain_must_finalize
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type(must_finalize) :: a
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end type
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interface
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subroutine finalize(a)
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import :: must_finalize
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type(must_finalize), intent(inout) :: a
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end subroutine
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end interface
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real, allocatable :: x
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end module
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subroutine simple()
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real, allocatable :: x
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allocate(x)
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call bar()
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end subroutine
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! CHECK-LABEL: func.func @_QPsimple() {
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! CHECK: %[[VAL_3:.*]]:2 = hlfir.declare {{.*}}"_QFsimpleEx"
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! CHECK: fir.call @_QPbar
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! CHECK: %[[VAL_6:.*]] = fir.load %[[VAL_3]]#0 : !fir.ref<!fir.box<!fir.heap<f32>>>
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! CHECK: %[[VAL_7:.*]] = fir.box_addr %[[VAL_6]] : (!fir.box<!fir.heap<f32>>) -> !fir.heap<f32>
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! CHECK: %[[VAL_8:.*]] = fir.convert %[[VAL_7]] : (!fir.heap<f32>) -> i64
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! CHECK: %[[VAL_9:.*]] = arith.constant 0 : i64
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! CHECK: %[[VAL_10:.*]] = arith.cmpi ne, %[[VAL_8]], %[[VAL_9]] : i64
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! CHECK: fir.if %[[VAL_10]] {
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! CHECK: %[[VAL_11:.*]] = fir.load %[[VAL_3]]#0 : !fir.ref<!fir.box<!fir.heap<f32>>>
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! CHECK: %[[VAL_12:.*]] = fir.box_addr %[[VAL_11]] : (!fir.box<!fir.heap<f32>>) -> !fir.heap<f32>
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! CHECK: fir.freemem %[[VAL_12]] : !fir.heap<f32>
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! CHECK: %[[VAL_13:.*]] = fir.zero_bits !fir.heap<f32>
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! CHECK: %[[VAL_14:.*]] = fir.embox %[[VAL_13]] : (!fir.heap<f32>) -> !fir.box<!fir.heap<f32>>
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! CHECK: fir.store %[[VAL_14]] to %[[VAL_3]]#0 : !fir.ref<!fir.box<!fir.heap<f32>>>
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! CHECK: }
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subroutine multiple_return(cdt)
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real, allocatable :: x
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logical :: cdt
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allocate(x)
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if (cdt) return
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call bar()
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end subroutine
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! CHECK-LABEL: func.func @_QPmultiple_return(
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! CHECK: cf.cond_br %{{.*}}, ^bb1, ^bb2
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! CHECK: ^bb1:
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! CHECK-NOT: fir.freemem
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! CHECK: cf.br ^bb3
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! CHECK: ^bb2:
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! CHECK: fir.call @_QPbar
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! CHECK: cf.br ^bb3
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! CHECK: ^bb3:
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! CHECK: fir.if {{.*}} {
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! CHECK: fir.freemem
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! CHECK: }
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! CHECK: return
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subroutine derived()
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use dtypedef, only : must_finalize
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type(must_finalize), allocatable :: x
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allocate(x)
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call bar()
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end subroutine
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! CHECK-LABEL: func.func @_QPderived() {
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! CHECK: %[[VAL_3:.*]]:2 = hlfir.declare {{.*}}"_QFderivedEx"
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! CHECK: fir.call @_QPbar
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! CHECK: %[[VAL_11:.*]] = fir.load %[[VAL_3]]#0 : !fir.ref<!fir.box<!fir.heap<!fir.type<_QMdtypedefTmust_finalize{i:i32}>>>>
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! CHECK: %[[VAL_12:.*]] = fir.box_addr %[[VAL_11]] : (!fir.box<!fir.heap<!fir.type<_QMdtypedefTmust_finalize{i:i32}>>>) -> !fir.heap<!fir.type<_QMdtypedefTmust_finalize{i:i32}>>
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! CHECK: %[[VAL_13:.*]] = fir.convert %[[VAL_12]] : (!fir.heap<!fir.type<_QMdtypedefTmust_finalize{i:i32}>>) -> i64
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! CHECK: %[[VAL_14:.*]] = arith.constant 0 : i64
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! CHECK: %[[VAL_15:.*]] = arith.cmpi ne, %[[VAL_13]], %[[VAL_14]] : i64
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! CHECK: fir.if %[[VAL_15]] {
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! CHECK: %[[VAL_16:.*]] = arith.constant false
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! CHECK: %[[VAL_17:.*]] = fir.absent !fir.box<none>
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! CHECK: %[[VAL_20:.*]] = fir.convert %[[VAL_3]]#0 : (!fir.ref<!fir.box<!fir.heap<!fir.type<_QMdtypedefTmust_finalize{i:i32}>>>>) -> !fir.ref<!fir.box<none>>
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! CHECK: %[[VAL_22:.*]] = fir.call @_FortranAAllocatableDeallocate(%[[VAL_20]], %[[VAL_16]], %[[VAL_17]], %{{.*}}, %{{.*}})
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! CHECK: }
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subroutine derived2()
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use dtypedef, only : contain_must_finalize
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type(contain_must_finalize), allocatable :: x
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allocate(x)
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end subroutine
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! CHECK-LABEL: func.func @_QPderived2(
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! CHECK: fir.if {{.*}} {
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! CHECK: fir.call @_FortranAAllocatableDeallocate
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! CHECK: }
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subroutine simple_block()
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block
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real, allocatable :: x
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allocate(x)
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call bar()
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end block
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call bar_after_block()
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end subroutine
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! CHECK-LABEL: func.func @_QPsimple_block(
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! CHECK: fir.call @_QPbar
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! CHECK: fir.if {{.*}} {
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! CHECK: fir.freemem
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! CHECK: }
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! CHECK: fir.call @_QPbar_after_block
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subroutine mutiple_return_block(cdt)
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logical :: cdt
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block
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real, allocatable :: x
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allocate(x)
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if (cdt) return
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call bar()
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end block
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call bar_after_block()
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end subroutine
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! CHECK-LABEL: func.func @_QPmutiple_return_block(
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! CHECK: cf.cond_br %{{.*}}, ^bb1, ^bb2
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! CHECK: ^bb1:
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! CHECK: fir.if {{.*}} {
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! CHECK: fir.freemem
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! CHECK: }
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! CHECK: cf.br ^bb3
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! CHECK: ^bb2:
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! CHECK: fir.call @_QPbar
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! CHECK: fir.if {{.*}} {
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! CHECK: fir.freemem
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! CHECK: }
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! CHECK: fir.call @_QPbar_after_block
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! CHECK: cf.br ^bb3
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! CHECK: ^bb3:
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! CHECK: return
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subroutine derived_block()
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use dtypedef, only : must_finalize
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block
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type(must_finalize), allocatable :: x
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allocate(x)
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call bar()
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end block
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call bar_after_block()
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end subroutine
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! CHECK-LABEL: func.func @_QPderived_block(
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! CHECK: fir.call @_QPbar
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! CHECK: fir.if {{.*}} {
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! CHECK: fir.call @_FortranAAllocatableDeallocate
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! CHECK: }
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! CHECK: fir.call @_QPbar_after_block
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subroutine derived_block2()
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use dtypedef, only : contain_must_finalize
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call bar()
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block
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type(contain_must_finalize), allocatable :: x
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allocate(x)
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end block
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call bar_after_block()
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end subroutine
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! CHECK-LABEL: func.func @_QPderived_block2(
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! CHECK: fir.call @_QPbar
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! CHECK: fir.if {{.*}} {
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! CHECK: fir.call @_FortranAAllocatableDeallocate
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! CHECK: }
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! CHECK: fir.call @_QPbar_after_block
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subroutine no_dealloc_saved()
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real, allocatable, save :: x
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allocate(x)
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end subroutine
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! CHECK-LABEL: func.func @_QPno_dealloc_save
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! CHECK-NOT: freemem
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! CHECK-NOT: Deallocate
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! CHECK: return
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subroutine no_dealloc_block_saved()
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block
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real, allocatable, save :: x
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allocate(x)
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end block
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end subroutine
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! CHECK-LABEL: func.func @_QPno_dealloc_block_saved
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! CHECK-NOT: freemem
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! CHECK-NOT: Deallocate
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! CHECK: return
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function no_dealloc_result() result(x)
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real, allocatable :: x
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allocate(x)
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end function
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! CHECK-LABEL: func.func @_QPno_dealloc_result
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! CHECK-NOT: freemem
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! CHECK-NOT: Deallocate
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! CHECK: return
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subroutine no_dealloc_dummy(x)
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real, allocatable :: x
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allocate(x)
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end subroutine
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! CHECK-LABEL: func.func @_QPno_dealloc_dummy
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! CHECK-NOT: freemem
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! CHECK-NOT: Deallocate
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! CHECK: return
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subroutine no_dealloc_module_var()
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use dtypedef, only : x
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allocate(x)
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end subroutine
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! CHECK-LABEL: func.func @_QPno_dealloc_module_var
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! CHECK-NOT: freemem
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! CHECK-NOT: Deallocate
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! CHECK: return
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subroutine no_dealloc_host_assoc()
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real, allocatable :: x
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call internal()
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contains
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subroutine internal()
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allocate(x)
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end subroutine
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end subroutine
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! CHECK-LABEL: func.func private @_QFno_dealloc_host_assocPinternal
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! CHECK-NOT: freemem
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! CHECK-NOT: Deallocate
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! CHECK: return
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subroutine no_dealloc_pointer(x)
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real, pointer :: x
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allocate(x)
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end subroutine
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! CHECK-LABEL: func.func @_QPno_dealloc_pointer
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! CHECK-NOT: freemem
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! CHECK-NOT: Deallocate
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! CHECK: return
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