c46d732fd7
Add semantic check for `!$acc atomic update`. RHS and LHS of the update assignment must be scalar. Without this check the code was going all the way to MLIR and trigger a verifier error. This gives better user error message.
50 lines
836 B
Fortran
50 lines
836 B
Fortran
! RUN: %python %S/../test_errors.py %s %flang -fopenacc
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! Check OpenACC clause validity for the following construct and directive:
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! 2.12 Atomic
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program openacc_atomic_validity
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implicit none
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integer :: i
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integer, parameter :: N = 256
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integer, dimension(N) :: c
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!$acc parallel
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!$acc atomic update
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c(i) = c(i) + 1
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!$acc atomic update
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c(i) = c(i) + 1
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!$acc end atomic
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!$acc atomic write
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c(i) = 10
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!$acc atomic write
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c(i) = 10
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!$acc end atomic
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!$acc atomic read
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i = c(i)
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!$acc atomic read
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i = c(i)
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!$acc end atomic
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!$acc atomic capture
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c(i) = i
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i = i + 1
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!$acc end atomic
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!$acc atomic update
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!ERROR: RHS of atomic update statement must be scalar
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!ERROR: LHS of atomic update statement must be scalar
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c = c + 1
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!$acc end parallel
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end program openacc_atomic_validity
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