gcc/testsuite/gfortran.dg/character_comparison_3.f90

   1 ! { dg-do run }
   2 ! { dg-options "-fdump-tree-original" }
   3 program main
   4   implicit none
   5   character(len=4) :: c
   6   integer :: i
   7   integer :: k1, k2, k3, k4, k11, k22, k33, k44
   8
   9   k1 = 1
  10   k2 = 2
  11   k3 = 3
  12   k4 = 4
  13   k11 = 1
  14   k22 = 2
  15   k33 = 3
  16   k44 = 4
  17   c = 'abcd'
  18   if (c(2:) /= c(k2:k4)) STOP 1
  19   if (c(k2:k4) /= c(k22:)) STOP 2
  20   if (c(2:3) == c(1:2)) STOP 3
  21   if (c(1:2) == c(2:3)) STOP 4
  22   if (c(k1:) == c(k2:)) STOP 5
  23   if (c(:3) == c(:k4)) STOP 6
  24   if (c(:k4) == c(:3)) STOP 7
  25   if (c(:k3) == c(:k44)) STOP 8
  26 end program main
  27
  28 ! { dg-final { scan-tree-dump-times "gfortran_compare_string" 6 "original" } }
  29 ! { dg-final { scan-tree-dump-times "__builtin_memcmp" 2 "original" } }
  30