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! Basic offloading test with a target region
! REQUIRES: flang, amdgpu
! RUN: %libomptarget-compile-fortran-run-and-check-generic
! Testing simple variables in common block.
program main
call check_device
call commonblock_simple_with_implicit_type_var
call commonblock_simple_with_integer
call commonblock_simple_with_real
call commonblock_simple_to_from
call set_commonblock_named
call use_commonblock_named
end program main
!-----
subroutine check_device
use omp_lib
integer :: devices(2)
devices(1) = omp_get_device_num()
!$omp target map(tofrom:devices)
devices(2) = omp_get_device_num()
!$omp end target
print *, omp_get_num_devices()
!CHECK: [[ND:[0-9]+]]
print *, omp_get_default_device()
!CHECK: [[DD:[0-9]+]]
!CHECK: devices: [[ND]] [[DD]]
print *, "devices: ", devices
end subroutine check_device
!-----
subroutine commonblock_simple_with_implicit_type_var
use omp_lib
common var1
var1 = 10
print *, "var1 before target = ", var1
!$omp target map(tofrom:var1)
var1 = 20
!$omp end target
print *, "var1 after target = ", var1
end subroutine
! CHECK: var1 before target = 10
! CHECK: var1 after target = 20
! -----
subroutine commonblock_simple_with_integer
use omp_lib
integer :: var2
common var2
var2 = 10
print *, "var2 before target = ", var2
!$omp target map(tofrom:var2)
var2 = 20
!$omp end target
print *, "var2 after target = ", var2
end subroutine
! CHECK: var2 before target = 10
! CHECK: var2 after target = 20
! -----
subroutine commonblock_simple_with_real
use omp_lib
real :: var3
common var3
var3 = 12.5
print *, "var3 before target = ", var3
!$omp target map(tofrom:var3)
var3 = 14.5
!$omp end target
print *, "var3 after target = ", var3
end subroutine
! CHECK: var3 before target = 12.5
! CHECK: var3 after target = 14.5
! -----
subroutine commonblock_simple_to_from
use omp_lib
integer :: var4, tmp
common var4
var4 = 10
tmp = 20
!$omp target map(to:var4) map(from:tmp)
tmp = var4
var4 = 20
!$omp end target
print *, "var4 after target = ", var4
print *, "tmp after target = ", tmp
end subroutine
! CHECK: var4 after target = 10
! CHECK: tmp after target = 10
! -----
subroutine set_commonblock_named
integer :: var6
common /my_common_block/ var6
var6 = 20
end subroutine
subroutine use_commonblock_named
integer :: var6
common /my_common_block/ var6
print *, "var6 before target = ", var6
!$omp target map(tofrom: var6)
var6 = 30
!$omp end target
print *, "var6 after target = ", var6
end subroutine
! CHECK: var6 before target = 20
! CHECK: var6 after target = 30
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