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bf4a876309
Move the code to check the arguments of references to the intrinsic function REDUCE() into Semantics/check-calls.cpp, and add checks for several requirements from the standard that weren't yet caught.
124 lines
4.7 KiB
Fortran
124 lines
4.7 KiB
Fortran
! RUN: %python %S/test_errors.py %s %flang_fc1
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module m
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type :: pdt(len)
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integer, len :: len
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character(len=len) :: ch
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end type
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contains
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pure real function f(x,y)
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real, intent(in) :: x, y
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f = x + y
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end function
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impure real function f1(x,y)
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f1 = x + y
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end function
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pure function f2(x,y)
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real :: f2(1)
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real, intent(in) :: x, y
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f2(1) = x + y
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end function
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pure real function f3(x,y,z)
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real, intent(in) :: x, y, z
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f3 = x + y + z
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end function
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pure real function f4(x,y)
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interface
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pure real function x(); end function
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pure real function y(); end function
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end interface
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f4 = x() + y()
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end function
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pure integer function f5(x,y)
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real, intent(in) :: x, y
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f5 = x + y
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end function
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pure real function f6(x,y)
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real, intent(in) :: x(*), y(*)
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f6 = x(1) + y(1)
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end function
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pure real function f7(x,y)
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real, intent(in), allocatable :: x
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real, intent(in) :: y
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f7 = x + y
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end function
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pure real function f8(x,y)
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real, intent(in), pointer :: x
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real, intent(in) :: y
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f8 = x + y
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end function
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pure real function f9(x,y)
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real, intent(in), optional :: x
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real, intent(in) :: y
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f9 = x + y
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end function
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pure real function f10a(x,y)
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real, intent(in), asynchronous :: x
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real, intent(in) :: y
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f10a = x + y
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end function
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pure real function f10b(x,y)
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real, intent(in), target :: x
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real, intent(in) :: y
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f10b = x + y
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end function
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pure real function f10c(x,y)
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real, intent(in), value :: x
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real, intent(in) :: y
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f10c = x + y
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end function
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pure function f11(x,y) result(res)
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type(pdt(*)), intent(in) :: x, y
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type(pdt(max(x%len, y%len))) :: res
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res%ch = x%ch // y%ch
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end function
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subroutine errors
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real :: a(10,10), b, c(10)
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!ERROR: OPERATION= argument of REDUCE() must be a pure function of two data arguments
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b = reduce(a, f1)
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!ERROR: OPERATION= argument of REDUCE() must be a scalar function
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b = reduce(a, f2)
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!ERROR: OPERATION= argument of REDUCE() must be a pure function of two data arguments
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b = reduce(a, f3)
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!ERROR: OPERATION= argument of REDUCE() may not have dummy procedure arguments
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b = reduce(a, f4)
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!ERROR: OPERATION= argument of REDUCE() must have the same type as ARRAY=
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b = reduce(a, f5)
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!ERROR: Arguments of OPERATION= procedure of REDUCE() must be both scalar of the same type as ARRAY=, and neither allocatable, pointer, polymorphic, nor optional
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b = reduce(a, f6)
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!ERROR: Arguments of OPERATION= procedure of REDUCE() must be both scalar of the same type as ARRAY=, and neither allocatable, pointer, polymorphic, nor optional
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b = reduce(a, f7)
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!ERROR: Arguments of OPERATION= procedure of REDUCE() must be both scalar of the same type as ARRAY=, and neither allocatable, pointer, polymorphic, nor optional
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b = reduce(a, f8)
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!ERROR: Arguments of OPERATION= procedure of REDUCE() must be both scalar of the same type as ARRAY=, and neither allocatable, pointer, polymorphic, nor optional
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b = reduce(a, f9)
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!ERROR: If either argument of the OPERATION= procedure of REDUCE() has the ASYNCHRONOUS, TARGET, or VALUE attribute, both must have that attribute
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b = reduce(a, f10a)
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!ERROR: If either argument of the OPERATION= procedure of REDUCE() has the ASYNCHRONOUS, TARGET, or VALUE attribute, both must have that attribute
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b = reduce(a, f10b)
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!ERROR: If either argument of the OPERATION= procedure of REDUCE() has the ASYNCHRONOUS, TARGET, or VALUE attribute, both must have that attribute
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b = reduce(a, f10c)
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!ERROR: IDENTITY= must be present when the array is empty and the result is scalar
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b = reduce(a(1:0,:), f)
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!ERROR: IDENTITY= must be present when the array is empty and the result is scalar
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b = reduce(a(1:0, 1), f, dim=1)
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!ERROR: IDENTITY= must be present when DIM=1 and the array has zero extent on that dimension
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c = reduce(a(1:0, :), f, dim=1)
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!ERROR: IDENTITY= must be present when DIM=1 and the array has zero extent on that dimension
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c = reduce(a(1:0, :), f, dim=1)
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!ERROR: IDENTITY= must be present when DIM=2 and the array has zero extent on that dimension
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c = reduce(a(:, 1:0), f, dim=2)
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c(1:0) = reduce(a(1:0, 1:0), f, dim=1) ! ok, result is empty
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c(1:0) = reduce(a(1:0, 1:0), f, dim=2) ! ok, result is empty
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!ERROR: MASK= has no .TRUE. element, so IDENTITY= must be present
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b = reduce(a, f, .false.)
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!ERROR: MASK= has no .TRUE. element, so IDENTITY= must be present
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b = reduce(a, f, reshape([(j > 100, j=1, 100)], shape(a)))
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b = reduce(a, f, reshape([(j == 50, j=1, 100)], shape(a))) ! ok
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end subroutine
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subroutine not_errors
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type(pdt(10)) :: a(10), b
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b = reduce(a, f11) ! check no bogus type incompatibility diagnostic
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end subroutine
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end module
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