gcc/testsuite/gfortran.dg/function_optimize_8.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-O -fdump-tree-original" }
   3 module x
   4   implicit none
   5 contains
   6   pure function myfunc(x) result(y)
   7     integer, intent(in) :: x
   8     integer, dimension(:), allocatable :: y
   9     allocate (y(3))
  10     y(1) = x
  11     y(2) = 2*x
  12     y(3) = 3*x
  13   end function myfunc
  14
  15   pure function mychar(x) result(r)
  16     integer, intent(in) :: x
  17     character(len=2) :: r
  18     r = achar(x + iachar('0')) // achar(x + iachar('1'))
  19   end function mychar
  20 end module x
  21
  22 program main
  23   use x
  24   implicit none
  25   integer :: n
  26   character(len=20) :: line
  27   n = 3
  28   write (unit=line,fmt='(3I2)') myfunc(n) + myfunc(n)
  29   if (line /= ' 61218') STOP 1
  30   write (unit=line,fmt='(A)') mychar(2) // mychar(2)
  31   if (line /= '2323') STOP 2
  32 end program main
  33 ! { dg-final { scan-tree-dump-times "myfunc" 2 "original" } }
  34 ! { dg-final { scan-tree-dump-times "mychar" 2 "original" } }