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TheRock/compiler/amd-llvm/flang/test/Lower/global-alignment.f90
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

61 lines
2.5 KiB
Fortran

! RUN: %flang_fc1 -emit-hlfir %s -o - | FileCheck %s
module m
implicit none
! Array globals that should get alignment 64 by default.
integer :: int_array(10)
! CHECK-DAG: fir.global @_QMmEint_array {alignment = 64 : i64} : !fir.array<10xi32>
real :: real_array(5, 5)
! CHECK-DAG: fir.global @_QMmEreal_array {alignment = 64 : i64} : !fir.array<5x5xf32>
complex :: complex_array(3)
! CHECK-DAG: fir.global @_QMmEcomplex_array {alignment = 64 : i64} : !fir.array<3xcomplex<f32>>
logical :: logical_array(4)
! CHECK-DAG: fir.global @_QMmElogical_array {alignment = 64 : i64} : !fir.array<4x!fir.logical<4>>
character(len=10) :: char_array(2)
! CHECK-DAG: fir.global @_QMmEchar_array {alignment = 64 : i64} : !fir.array<2x!fir.char<1,10>>
integer, target :: target_array(8)
! CHECK-DAG: fir.global @_QMmEtarget_array {alignment = 64 : i64} target : !fir.array<8xi32>
! Currently not align 64
integer, allocatable :: alloc_array(:)
! CHECK-DAG: fir.global @_QMmEalloc_array : !fir.box<!fir.heap<!fir.array<?xi32>>>
! Non-array globals should not get alignment
integer :: scalar_var
! CHECK-DAG: fir.global @_QMmEscalar_var : i32
! BIND(C) globals should not get alignment (C ABI)
integer, bind(c, name="c_int_array") :: bind_c_int_array(10)
! CHECK-DAG: fir.global common @c_int_array : !fir.array<10xi32>
real, bind(c, name="c_real_array") :: bind_c_real_array(5)
! CHECK-DAG: fir.global common @c_real_array : !fir.array<5xf32>
! BIND(C) arrays with initializers (exercises tryCreatingDenseGlobal path)
integer, bind(c, name="c_init_array") :: bind_c_init_array(5) = [1,2,3,4,5]
! CHECK-DAG: fir.global @c_init_array(dense<[1, 2, 3, 4, 5]> : tensor<5xi32>) : !fir.array<5xi32>
real, bind(c, name="c_real_init") :: bind_c_real_init(3) = [1.0, 2.0, 3.0]
! CHECK-DAG: fir.global @c_real_init(dense<[1.000000e+00, 2.000000e+00, 3.000000e+00]> : tensor<3xf32>) : !fir.array<3xf32>
integer, bind(c, name="c_scalar") :: bind_c_scalar
! CHECK-DAG: fir.global common @c_scalar : i32
end module
subroutine sub_with_common()
implicit none
! Common block (alignment from semantics, not 64)
integer :: cb_int(10)
real :: cb_real
common /myblock/ cb_int, cb_real
! CHECK-DAG: fir.global common @myblock_(dense<0> : vector<44xi8>) {alignment = 4 : i64} : !fir.array<44xi8>
end subroutine
block data
implicit none
integer :: bd_array(5)
common /initblock/ bd_array
data bd_array /1, 2, 3, 4, 5/
! CHECK-DAG: fir.global @initblock_ {alignment = 4 : i64} : tuple<!fir.array<5xi32>>
end block data