gcc/testsuite/gfortran.dg/function_optimize_6.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-O -fdump-tree-original" }
   3 ! PR 48405 - function elimnination in a DO loop should work.
   4 program main
   5   interface
   6      pure function mypure()
   7        integer :: mypure
   8      end function mypure
   9   end interface
  10   DO I=1,mypure() + mypure()
  11   ENDDO
  12 END program main
  13 ! { dg-final { scan-tree-dump-times "mypure" 1 "original" } }
  14 ! { dg-final { cleanup-tree-dump "original" } }
  15
  16