! Test the dependency checking in simple where. This
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! Test the dependency checking in simple where. This
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! did not work and was fixed as part of the patch for
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! did not work and was fixed as part of the patch for
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! pr24519.
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! pr24519.
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!
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!
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program where_20
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program where_20
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integer :: a(4)
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integer :: a(4)
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integer :: b(3)
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integer :: b(3)
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integer :: c(3)
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integer :: c(3)
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integer :: d(3) = (/1, 2, 3/)
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integer :: d(3) = (/1, 2, 3/)
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equivalence (a(1), b(1)), (a(2), c(1))
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equivalence (a(1), b(1)), (a(2), c(1))
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|
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! This classic case worked before the patch.
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! This classic case worked before the patch.
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a = (/1, 2, 3, 4/)
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a = (/1, 2, 3, 4/)
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where (b .gt. 1) a(2:4) = a(1:3)
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where (b .gt. 1) a(2:4) = a(1:3)
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if (any(a .ne. (/1,2,2,3/))) call abort ()
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if (any(a .ne. (/1,2,2,3/))) call abort ()
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! This is the original manifestation of the problem
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! This is the original manifestation of the problem
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! and is repeated in where_19.f90.
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! and is repeated in where_19.f90.
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a = (/1, 2, 3, 4/)
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a = (/1, 2, 3, 4/)
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where (b .gt. 1)
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where (b .gt. 1)
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c = b
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c = b
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endwhere
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endwhere
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if (any(a .ne. (/1,2,2,3/))) call abort ()
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if (any(a .ne. (/1,2,2,3/))) call abort ()
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! Mask to.destination dependency.
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! Mask to.destination dependency.
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a = (/1, 2, 3, 4/)
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a = (/1, 2, 3, 4/)
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where (b .gt. 1)
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where (b .gt. 1)
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c = d
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c = d
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endwhere
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endwhere
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if (any(a .ne. (/1,2,2,3/))) call abort ()
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if (any(a .ne. (/1,2,2,3/))) call abort ()
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! Source to.destination dependency.
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! Source to.destination dependency.
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a = (/1, 2, 3, 4/)
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a = (/1, 2, 3, 4/)
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where (d .gt. 1)
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where (d .gt. 1)
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c = b
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c = b
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endwhere
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endwhere
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if (any(a .ne. (/1,2,2,3/))) call abort ()
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if (any(a .ne. (/1,2,2,3/))) call abort ()
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|
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! Check the simple where.
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! Check the simple where.
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a = (/1, 2, 3, 4/)
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a = (/1, 2, 3, 4/)
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where (b .gt. 1) c = b
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where (b .gt. 1) c = b
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if (any(a .ne. (/1,2,2,3/))) call abort ()
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if (any(a .ne. (/1,2,2,3/))) call abort ()
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! This was OK before the patch.
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! This was OK before the patch.
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a = (/1, 2, 3, 4/)
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a = (/1, 2, 3, 4/)
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where (b .gt. 1)
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where (b .gt. 1)
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where (d .gt. 1)
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where (d .gt. 1)
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c = b
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c = b
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end where
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end where
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endwhere
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endwhere
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if (any(a .ne. (/1,2,2,3/))) call abort ()
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if (any(a .ne. (/1,2,2,3/))) call abort ()
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end program
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end program
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