llvm-project/flang/test/Semantics/OpenACC/acc-atomic-validity.f90

43 lines
682 B
Fortran

! RUN: %S/../test_errors.sh %s %t %flang -fopenacc
! Check OpenACC clause validity for the following construct and directive:
! 2.12 Atomic
program openacc_atomic_validity
implicit none
integer :: i
integer, parameter :: N = 256
integer, dimension(N) :: c
!$acc parallel
!$acc atomic update
c(i) = c(i) + 1
!$acc atomic update
c(i) = c(i) + 1
!$acc end atomic
!$acc atomic write
c(i) = 10
!$acc atomic write
c(i) = 10
!$acc end atomic
!$acc atomic read
i = c(i)
!$acc atomic read
i = c(i)
!$acc end atomic
!$acc atomic capture
c(i) = i
i = i + 1
!$acc end atomic
!$acc end parallel
end program openacc_atomic_validity