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Add coarray allocation in native test #328

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Add coarray allocation in native test #328

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3700166
native-multi-image: Add basic coarray allocation
bonachea May 21, 2026
621ea42
CI: Enable native coarray allocation testing for flang 23
bonachea May 21, 2026
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2 changes: 2 additions & 0 deletions .github/workflows/build.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,7 @@ jobs:
compiler: flang
version: latest
container: snowstep/llvm:ubuntu-24.04-latest
FFLAGS: -DHAVE_COARRAY

# https://hub.docker.com/r/phhargrove/llvm-flang/tags
- os: ubuntu-24.04
Expand Down Expand Up @@ -200,6 +201,7 @@ jobs:
version: latest
network: udp
container: snowstep/llvm:ubuntu-24.04-latest
FFLAGS: -DHAVE_COARRAY

container:
image: ${{ matrix.container }}
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39 changes: 39 additions & 0 deletions app/native-multi-image.F90
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Expand Up @@ -20,6 +20,7 @@ program native_multi_image
#ifndef HAVE_SYNC_IMAGES
#define HAVE_SYNC_IMAGES HAVE_SYNC
#endif

#ifndef HAVE_COLLECTIVES
#define HAVE_COLLECTIVES 1
#endif
Expand All @@ -35,8 +36,19 @@ program native_multi_image
#ifndef HAVE_CO_BROADCAST
#define HAVE_CO_BROADCAST HAVE_COLLECTIVES
#endif

#ifndef HAVE_TEAM
#define HAVE_TEAM 1
#endif

#ifndef HAVE_COARRAY
#define HAVE_COARRAY 0
#endif
#ifndef HAVE_MAIN_COARRAY
#define HAVE_MAIN_COARRAY HAVE_COARRAY
#endif
#ifndef HAVE_ALLOC_COARRAY
#define HAVE_ALLOC_COARRAY HAVE_COARRAY
#endif

USE, INTRINSIC :: ISO_FORTRAN_ENV
Expand All @@ -46,6 +58,11 @@ program native_multi_image
integer :: team_id
type(TEAM_TYPE) :: subteam, res
# endif
# if HAVE_MAIN_COARRAY
integer :: sca_int_1[*]
integer :: sca_int_2[2,*]
integer :: sca_int_3[2,3,*]
# endif

me = THIS_IMAGE()
ni = NUM_IMAGES()
Expand Down Expand Up @@ -126,6 +143,10 @@ program native_multi_image
write(*,'(A,I3)') "After END TEAM statement, TEAM_NUMBER() is ", TEAM_NUMBER()
# endif

call sync_all
call test_allocatable_coarray
call test_allocatable_coarray

call sync_all
write(*,'(A,I1,A,I1,A)') "Goodbye from image ", me, " of ", ni, " images"

Expand Down Expand Up @@ -153,6 +174,24 @@ subroutine status(str)
call sync_all
end subroutine

subroutine test_allocatable_coarray()
# if HAVE_ALLOC_COARRAY
logical, save :: once = .true.
integer, allocatable :: aca_int_1[:]
integer, allocatable :: aca_int_2[:,:]
integer, save, allocatable :: aca_int_3[:,:,:]
if (once) then
once = .false.
call status("Testing ALLOCATABLE coarrays...")
print *, ALLOCATED(aca_int_1), ALLOCATED(aca_int_2), ALLOCATED(aca_int_3)
ALLOCATE(aca_int_1[*])
ALLOCATE(aca_int_2[2,*])
ALLOCATE(aca_int_3[2,3,*])
end if
print *, ALLOCATED(aca_int_1), ALLOCATED(aca_int_2), ALLOCATED(aca_int_3)
# endif
end subroutine

#else
stop "Native multi-image test disabled"
#endif
Expand Down