gcc/testsuite/gfortran.dg/ishft_4.f90

   1 ! We want to check that ISHFT evaluates its arguments only once
   2 !
   3 ! { dg-do run }
   4 ! { dg-options "-fdump-tree-original" }
   5
   6 program test
   7
   8   if (ishft (foo(), 2) /= 4) call abort
   9   if (ishft (foo(), -1) /= 1) call abort
  10   if (ishft (1, foo()) /= 8) call abort
  11   if (ishft (16, -foo()) /= 1) call abort
  12
  13   if (ishftc (bar(), 2) /= 4) call abort
  14   if (ishftc (bar(), -1) /= 1) call abort
  15   if (ishftc (1, bar()) /= 8) call abort
  16   if (ishftc (16, -bar()) /= 1) call abort
  17
  18 contains
  19
  20   integer function foo ()
  21     integer, save :: i = 0
  22     i = i + 1
  23     foo = i
  24   end function
  25
  26   integer function bar ()
  27     integer, save :: i = 0
  28     i = i + 1
  29     bar = i
  30   end function
  31
  32 end program
  33
  34 ! The regexp "foo ()" should be seen once in the dump:
  35 !   -- once in the function definition itself
  36 !   -- plus as many times as the function is called
  37 !
  38 ! { dg-final { scan-tree-dump-times "foo *\\\(\\\)" 5 "original" } }
  39 ! { dg-final { scan-tree-dump-times "bar *\\\(\\\)" 5 "original" } }