67 lines
1.8 KiB
Fortran
67 lines
1.8 KiB
Fortran
! { dg-do run }
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! Test the fix for pr22146, where and elemental subroutine with
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! array actual arguments would cause an ICE in gfc_conv_function_call.
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! This test checks that the main uses for elemental subroutines work
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! correctly; namely, as module procedures and as procedures called
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! from elemental functions. The compiler would ICE on the former with
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! the first version of the patch.
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!
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! Contributed by Paul Thomas <pault@gcc.gnu.org>
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module type
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type itype
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integer :: i
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character(1) :: ch
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end type itype
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end module type
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module assign
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interface assignment (=)
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module procedure itype_to_int
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end interface
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contains
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elemental subroutine itype_to_int (i, it)
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use type
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type(itype), intent(in) :: it
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integer, intent(out) :: i
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i = it%i
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end subroutine itype_to_int
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elemental function i_from_itype (it) result (i)
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use type
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type(itype), intent(in) :: it
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integer :: i
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i = it
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end function i_from_itype
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end module assign
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program test_assign
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use type
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use assign
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type(itype) :: x(2, 2)
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integer :: i(2, 2)
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! Test an elemental subroutine call from an elementary function.
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x = reshape ((/(itype (j, "a"), j = 1,4)/), (/2,2/))
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forall (j = 1:2, k = 1:2)
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i(j, k) = i_from_itype (x (j, k))
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end forall
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if (any(reshape (i, (/4/)).ne.(/1,2,3,4/))) call abort ()
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! Check the interface assignment (not part of the patch).
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x = reshape ((/(itype (j**2, "b"), j = 1,4)/), (/2,2/))
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i = x
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if (any(reshape (i, (/4/)).ne.(/1,4,9,16/))) call abort ()
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! Use the interface assignment within a forall block.
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x = reshape ((/(itype (j**3, "c"), j = 1,4)/), (/2,2/))
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forall (j = 1:2, k = 1:2)
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i(j, k) = x (j, k)
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end forall
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if (any(reshape (i, (/4/)).ne.(/1,8,27,64/))) call abort ()
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end program test_assign
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! { dg-final { cleanup-modules "type assign" } }
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