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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gfortran.dg/] [leadz_trailz_3.f90] - Rev 694

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! We want to check that ISHFT evaluates its arguments only once
!
! { dg-do run }
! { dg-options "-fdump-tree-original" }

program test

  if (leadz (foo()) /= bit_size(0) - 1) call abort
  if (leadz (foo()) /= bit_size(0) - 2) call abort
  if (trailz (foo()) /= 0) call abort
  if (trailz (foo()) /= 2) call abort
  if (trailz (foo()) /= 0) call abort
  if (trailz (foo()) /= 1) call abort

contains
  
  integer function foo ()
    integer, save :: i = 0
    i = i + 1
    foo = i
  end function

end program

! The regexp "foo ()" should be seen once in the dump:
!   -- once in the function definition itself
!   -- plus as many times as the function is called
!
! { dg-final { scan-tree-dump-times "foo *\\\(\\\)" 7 "original" } }
! { dg-final { cleanup-tree-dump "original" } }

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