offload/test/offloading/fortran/target-map-mix-imp-exp-common-block-members.f90

! Offloading test checking interaction of mapping all the members of a common
! block with a mix of explicit and implicit mapping to a target region
! REQUIRES: flang, amdgcn-amd-amdhsa
! UNSUPPORTED: nvptx64-nvidia-cuda
! UNSUPPORTED: nvptx64-nvidia-cuda-LTO
! UNSUPPORTED: aarch64-unknown-linux-gnu
! UNSUPPORTED: aarch64-unknown-linux-gnu-LTO
! UNSUPPORTED: x86_64-unknown-linux-gnu
! UNSUPPORTED: x86_64-unknown-linux-gnu-LTO

! RUN: %libomptarget-compile-fortran-run-and-check-generic
program main
    implicit none
    common /var_common/ var1, var2, var3
    integer :: var1, var2, var3

    call modify_1

    !$omp target map(tofrom: var2)
      var2 = var2 + var3
    !$omp end target

    call modify_2

    print *, var1
    print *, var2
    print *, var3
end program

subroutine modify_1
    common /var_common/ var1, var2, var3
    integer :: var1, var2, var3

  !$omp target map(tofrom: /var_common/)
    var1 = 10
    var2 = 20
    var3 = 30
  !$omp end target
end

subroutine modify_2
    common /var_common/ var1, var2, var3
    integer :: var1, var2, var3
    integer :: copy

  !$omp target map(tofrom: copy)
    copy =  var2 + var3
  !$omp end target

    print *, copy
end

!CHECK: 80
!CHECK: 10
!CHECK: 50
!CHECK: 30