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TheRock/compiler/amd-llvm/flang/test/Lower/HLFIR/ignore-tkr-c-base-addr.f90
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derek.holloway 7502bf64a4
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41 lines
2.0 KiB
Fortran

! RUN: bbc -emit-hlfir -o - %s | FileCheck %s
! Test that ignore_tkr(c) with a non-descriptor dummy (assumed-size) extracts
! the base address from allocatable/pointer actual arguments instead of passing
! the descriptor. This pattern is used by CUDA library interfaces like cuFFT.
module m_ignore_tkr_c_base_addr
interface
subroutine pass_assumed_size(a)
!dir$ ignore_tkr(c) a
real :: a(*)
end subroutine
end interface
contains
! CHECK-LABEL: func.func @_QMm_ignore_tkr_c_base_addrPtest_allocatable(
! CHECK-SAME: %[[ARR:.*]]: !fir.ref<!fir.box<!fir.heap<!fir.array<?xf32>>>>
subroutine test_allocatable(arr)
real, allocatable :: arr(:)
! CHECK: %[[DECL:.*]]:2 = hlfir.declare %[[ARR]]
! CHECK: %[[LOAD:.*]] = fir.load %[[DECL]]#0 : !fir.ref<!fir.box<!fir.heap<!fir.array<?xf32>>>>
! CHECK: %[[ADDR:.*]] = fir.box_addr %[[LOAD]] : (!fir.box<!fir.heap<!fir.array<?xf32>>>) -> !fir.heap<!fir.array<?xf32>>
! CHECK: %[[CONV:.*]] = fir.convert %[[ADDR]] : (!fir.heap<!fir.array<?xf32>>) -> !fir.ref<!fir.array<?xf32>>
! CHECK: fir.call @_QPpass_assumed_size(%[[CONV]]) {{.*}} : (!fir.ref<!fir.array<?xf32>>) -> ()
call pass_assumed_size(arr)
end subroutine
! CHECK-LABEL: func.func @_QMm_ignore_tkr_c_base_addrPtest_pointer(
! CHECK-SAME: %[[ARR:.*]]: !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
subroutine test_pointer(arr)
real, pointer :: arr(:)
! CHECK: %[[DECL:.*]]:2 = hlfir.declare %[[ARR]]
! CHECK: %[[LOAD:.*]] = fir.load %[[DECL]]#0 : !fir.ref<!fir.box<!fir.ptr<!fir.array<?xf32>>>>
! CHECK: %[[ADDR:.*]] = fir.box_addr %[[LOAD]] : (!fir.box<!fir.ptr<!fir.array<?xf32>>>) -> !fir.ptr<!fir.array<?xf32>>
! CHECK: %[[CONV:.*]] = fir.convert %[[ADDR]] : (!fir.ptr<!fir.array<?xf32>>) -> !fir.ref<!fir.array<?xf32>>
! CHECK: fir.call @_QPpass_assumed_size(%[[CONV]]) {{.*}} : (!fir.ref<!fir.array<?xf32>>) -> ()
call pass_assumed_size(arr)
end subroutine
! CHECK: func.func private @_QPpass_assumed_size(!fir.ref<!fir.array<?xf32>>)
end module