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Test a range of acceptable forms of co_reduce calls, including combinations of keyword and non-keyword actual arguments of numeric types. Also test that several invalid forms of co_reduce call generate the correct error messages. Reviewed By: kiranchandramohan, ktras, ekieri Differential Revision: https://reviews.llvm.org/D113086
302 lines
9.4 KiB
Fortran
302 lines
9.4 KiB
Fortran
! RUN: %python %S/test_errors.py %s %flang_fc1
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! XFAIL: *
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! This test checks for semantic errors in co_reduce subroutine calls based on
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! the co_reduce interface defined in section 16.9.49 of the Fortran 2018 standard.
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! To Do: add co_reduce to the list of intrinsics
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module foo_m
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implicit none
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type foo_t
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integer :: n=0
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contains
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procedure :: derived_type_op
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generic :: operator(+) => derived_type_op
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end type
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contains
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pure function derived_type_op(lhs, rhs) result(lhs_op_rhs)
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class(foo_t), intent(in) :: lhs, rhs
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type(foo_t) lhs_op_rhs
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lhs_op_rhs%n = lhs%n + rhs%n
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end function
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end module foo_m
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program main
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use foo_m, only : foo_t
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implicit none
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type(foo_t) foo
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class(foo_t), allocatable :: polymorphic
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integer i, status, integer_array(1)
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real x
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real vector(1)
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real array(1,1,1, 1,1,1, 1,1,1, 1,1,1, 1,1,1)
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character(len=1) string, message, character_array(1)
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integer coindexed[*]
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logical bool
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! correct calls, should produce no errors
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call co_reduce(i, int_op)
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call co_reduce(i, int_op, status)
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call co_reduce(i, int_op, stat=status)
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call co_reduce(i, int_op, errmsg=message)
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call co_reduce(i, int_op, stat=status, errmsg=message)
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call co_reduce(i, int_op, result_image=1, stat=status, errmsg=message)
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call co_reduce(i, operation=int_op, result_image=1, stat=status, errmsg=message)
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call co_reduce(a=i, operation=int_op, result_image=1, stat=status, errmsg=message)
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call co_reduce(array, operation=real_op, result_image=1, stat=status, errmsg=message)
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call co_reduce(vector, operation=real_op, result_image=1, stat=status, errmsg=message)
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call co_reduce(string, operation=char_op, result_image=1, stat=status, errmsg=message)
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call co_reduce(foo, operation=left, result_image=1, stat=status, errmsg=message)
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allocate(foo_t :: polymorphic)
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! Test all statically verifiable semantic requirements on co_reduce arguments
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! Note: We cannot check requirements that relate to "corresponding references."
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! References can correspond only if they execute on differing images. A code that
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! executes in a single image might be standard-conforming even if the same code
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! executing in multiple images is not.
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! argument 'a' cannot be polymorphic
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!ERROR: to be determined
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call co_reduce(polymorphic, derived_type_op)
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! argument 'a' cannot be coindexed
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!ERROR: (message to be determined)
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call co_reduce(coindexed[1], int_op)
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! argument 'a' is intent(inout)
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!ERROR: (message to be determined)
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call co_reduce(i + 1, int_op)
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! operation must be a pure function
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!ERROR: (message to be determined)
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call co_reduce(i, operation=not_pure)
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! operation must have exactly two arguments
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!ERROR: (message to be determined)
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call co_reduce(i, too_many_args)
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! operation result must be a scalar
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!ERROR: (message to be determined)
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call co_reduce(i, array_result)
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! operation result must be non-allocatable
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!ERROR: (message to be determined)
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call co_reduce(i, allocatable_result)
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! operation result must be non-pointer
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!ERROR: (message to be determined)
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call co_reduce(i, pointer_result)
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! operation's arguments must be scalars
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!ERROR: (message to be determined)
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call co_reduce(i, array_args)
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! operation arguments must be non-allocatable
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!ERROR: (message to be determined)
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call co_reduce(i, allocatable_args)
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! operation arguments must be non-pointer
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!ERROR: (message to be determined)
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call co_reduce(i, pointer_args)
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! operation arguments must be non-polymorphic
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!ERROR: (message to be determined)
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call co_reduce(i, polymorphic_args)
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! operation: type of 'operation' result and arguments must match type of argument 'a'
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!ERROR: (message to be determined)
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call co_reduce(i, real_op)
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! operation: kind type parameter of 'operation' result and arguments must match kind type parameter of argument 'a'
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!ERROR: (message to be determined)
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call co_reduce(x, double_precision_op)
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! arguments must be non-optional
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!ERROR: (message to be determined)
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call co_reduce(i, optional_args)
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! if one argument is asynchronous, the other must be also
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!ERROR: (message to be determined)
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call co_reduce(i, asynchronous_mismatch)
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! if one argument is a target, the other must be also
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!ERROR: (message to be determined)
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call co_reduce(i, target_mismatch)
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! if one argument has the value attribute, the other must have it also
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!ERROR: (message to be determined)
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call co_reduce(i, value_mismatch)
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! result_image argument must be an integer scalar
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!ERROR: to be determined
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call co_reduce(i, int_op, result_image=integer_array)
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! result_image argument must be an integer
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!ERROR: to be determined
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call co_reduce(i, int_op, result_image=bool)
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! stat not allowed to be coindexed
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!ERROR: to be determined
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call co_reduce(i, int_op, stat=coindexed[1])
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! stat argument must be an integer scalar
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!ERROR: to be determined
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call co_reduce(i, int_op, result_image=1, stat=integer_array)
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! stat argument has incorrect type
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!ERROR: Actual argument for 'stat=' has bad type 'CHARACTER(KIND=1,LEN=1_8)'
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call co_reduce(i, int_op, result_image=1, string)
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! stat argument is intent(out)
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!ERROR: to be determined
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call co_reduce(i, int_op, result_image=1, stat=1+1)
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! errmsg argument must not be coindexed
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!ERROR: to be determined
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call co_reduce(i, int_op, result_image=1, stat=status, errmsg=conindexed_string[1])
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! errmsg argument must be a scalar
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!ERROR: to be determined
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call co_reduce(i, int_op, result_image=1, stat=status, errmsg=character_array)
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! errmsg argument must be a character
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!ERROR: to be determined
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call co_reduce(i, int_op, result_image=1, stat=status, errmsg=i)
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! errmsg argument is intent(inout)
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!ERROR: to be determined
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call co_reduce(i, int_op, result_image=1, stat=status, errmsg="literal constant")
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! too many arguments to the co_reduce() call
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!ERROR: too many actual arguments for intrinsic 'co_reduce'
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call co_reduce(i, int_op, result_image=1, stat=status, errmsg=message, 3.4)
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! non-existent keyword argument
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!ERROR: unknown keyword argument to intrinsic 'co_reduce'
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call co_reduce(fake=3.4)
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contains
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pure function left(lhs, rhs) result(lhs_op_rhs)
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type(foo_t), intent(in) :: lhs, rhs
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type(foo_t) :: lhs_op_rhs
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lhs_op_rhs = lhs
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end function
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pure function char_op(lhs, rhs) result(lhs_op_rhs)
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character(len=1), intent(in) :: lhs, rhs
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character(len=1) :: lhs_op_rhs
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lhs_op_rhs = min(lhs, rhs)
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end function
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pure function real_op(lhs, rhs) result(lhs_op_rhs)
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real, intent(in) :: lhs, rhs
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real :: lhs_op_rhs
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lhs_op_rhs = lhs + rhs
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end function
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pure function double_precision_op(lhs, rhs) result(lhs_op_rhs)
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integer, parameter :: double = kind(1.0D0)
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real(double), intent(in) :: lhs, rhs
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real(double) lhs_op_rhs
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lhs_op_rhs = lhs + rhs
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end function
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pure function int_op(lhs, rhs) result(lhs_op_rhs)
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integer, intent(in) :: lhs, rhs
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integer :: lhs_op_rhs
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lhs_op_rhs = lhs + rhs
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end function
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function not_pure(lhs, rhs) result(lhs_op_rhs)
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integer, intent(in) :: lhs, rhs
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integer :: lhs_op_rhs
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lhs_op_rhs = lhs + rhs
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end function
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pure function too_many_args(lhs, rhs, foo) result(lhs_op_rhs)
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integer, intent(in) :: lhs, rhs, foo
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integer lhs_op_rhs
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lhs_op_rhs = lhs + rhs
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end function
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pure function array_result(lhs, rhs)
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integer, intent(in) :: lhs, rhs
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integer array_result(1)
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array_result = lhs + rhs
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end function
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pure function allocatable_result(lhs, rhs)
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integer, intent(in) :: lhs, rhs
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integer, allocatable :: allocatable_result
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allocatable_result = lhs + rhs
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end function
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pure function pointer_result(lhs, rhs)
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integer, intent(in) :: lhs, rhs
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integer, pointer :: pointer_result
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allocate(pointer_result, source=lhs + rhs )
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end function
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pure function array_args(lhs, rhs)
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integer, intent(in) :: lhs(1), rhs(1)
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integer array_args
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array_args = lhs(1) + rhs(1)
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end function
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pure function allocatable_args(lhs, rhs) result(lhs_op_rhs)
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integer, intent(in), allocatable :: lhs, rhs
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integer lhs_op_rhs
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lhs_op_rhs = lhs + rhs
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end function
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pure function pointer_args(lhs, rhs) result(lhs_op_rhs)
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integer, intent(in), pointer :: lhs, rhs
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integer lhs_op_rhs
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lhs_op_rhs = lhs + rhs
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end function
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pure function polymorphic_args(lhs, rhs) result(lhs_op_rhs)
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class(foo_t), intent(in) :: lhs, rhs
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type(foo_t) lhs_op_rhs
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lhs_op_rhs%n = lhs%n + rhs%n
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end function
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pure function optional_args(lhs, rhs) result(lhs_op_rhs)
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integer, intent(in), optional :: lhs, rhs
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integer lhs_op_rhs
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if (present(lhs) .and. present(rhs)) then
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lhs_op_rhs = lhs + rhs
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else
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lhs_op_rhs = 0
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end if
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end function
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pure function target_mismatch(lhs, rhs) result(lhs_op_rhs)
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integer, intent(in), target :: lhs
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integer, intent(in) :: rhs
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integer lhs_op_rhs
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lhs_op_rhs = lhs + rhs
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end function
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pure function value_mismatch(lhs, rhs) result(lhs_op_rhs)
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integer, intent(in), value:: lhs
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integer, intent(in) :: rhs
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integer lhs_op_rhs
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lhs_op_rhs = lhs + rhs
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end function
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pure function asynchronous_mismatch(lhs, rhs) result(lhs_op_rhs)
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integer, intent(in), asynchronous:: lhs
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integer, intent(in) :: rhs
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integer lhs_op_rhs
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lhs_op_rhs = lhs + rhs
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end function
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end program
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