llvm-project/flang/test/Semantics/dosemantics09.f90

107 lines
2.6 KiB
Fortran

! RUN: %S/test_errors.sh %s %t %flang_fc1
!C1129
!A variable that is referenced by the scalar-mask-expr of a
!concurrent-header or by any concurrent-limit or concurrent-step in that
!concurrent-header shall not appear in a LOCAL locality-spec in the same DO
!CONCURRENT statement.
subroutine s1()
!ERROR: 'i' is already declared in this scoping unit
do concurrent (i=1:10) local(i)
end do
end subroutine s1
subroutine s2()
!ERROR: 'i' is already declared in this scoping unit
do concurrent (i=1:10) local_init(i)
end do
end subroutine s2
subroutine s4()
!ERROR: DO CONCURRENT expression references variable 'i' in LOCAL locality-spec
do concurrent (j=i:10) local(i)
end do
end subroutine s4
subroutine s5()
!OK because the locality-spec is local_init
do concurrent (j=i:10) local_init(i)
end do
end subroutine s5
subroutine s6()
!OK because the locality-spec is shared
do concurrent (j=i:10) shared(i)
end do
end subroutine s6
subroutine s7()
!ERROR: DO CONCURRENT expression references variable 'i' in LOCAL locality-spec
do concurrent (j=1:i) local(i)
end do
end subroutine s7
subroutine s8()
!OK because the locality-spec is local_init
do concurrent (j=1:i) local_init(i)
end do
end subroutine s8
subroutine s9()
!OK because the locality-spec is shared
do concurrent (j=1:i) shared(i)
end do
end subroutine s9
subroutine s10()
!ERROR: DO CONCURRENT expression references variable 'i' in LOCAL locality-spec
do concurrent (j=1:10:i) local(i)
end do
end subroutine s10
subroutine s11()
!OK because the locality-spec is local_init
do concurrent (j=1:10:i) local_init(i)
end do
end subroutine s11
subroutine s12()
!OK because the locality-spec is shared
do concurrent (j=1:10:i) shared(i)
end do
end subroutine s12
subroutine s13()
! Test construct-association, in this case, established by the "shared"
integer :: ivar
associate (avar => ivar)
!ERROR: DO CONCURRENT expression references variable 'ivar' in LOCAL locality-spec
do concurrent (j=1:10:avar) local(avar)
end do
end associate
end subroutine s13
module m1
integer :: mvar
end module m1
subroutine s14()
! Test use-association, in this case, established by the "shared"
use m1
!ERROR: DO CONCURRENT expression references variable 'mvar' in LOCAL locality-spec
do concurrent (k=mvar:10) local(mvar)
end do
end subroutine s14
subroutine s15()
! Test host-association, in this case, established by the "shared"
! locality-spec
ivar = 3
do concurrent (j=ivar:10) shared(ivar)
!ERROR: DO CONCURRENT expression references variable 'ivar' in LOCAL locality-spec
do concurrent (k=ivar:10) local(ivar)
end do
end do
end subroutine s15