gcc/testsuite/gfortran.dg/pr55086_aliasing_dummy_4_tfat.f90

   1 ! { dg-do run }
   2 ! { dg-options "-ftest-forall-temp" }
   3 ! This is a copy of aliasing_dummy_4.f90, with an option set to improve
   4 ! test coverage by forcing forall code to use a temporary.
   5 !
   6 program  test_f90
   7
   8     integer, parameter :: N = 2
   9
  10     type test_type
  11         integer a(N, N)
  12     end type
  13
  14     type (test_type) s(N, N)
  15
  16     forall (l = 1:N, m = 1:N) &
  17         s(l, m)%a(:, :) = reshape ([((i*l + 10*j*m +100, i = 1, N), j = 1, N)], [N, N])
  18
  19     call test_sub(s%a(1, 1), 1000) ! Test the original problem.
  20
  21     if ( any (s(1, 1)%a(:, :) /= reshape ([1111, 112, 121, 122], [2, 2]))) STOP 1
  22     if ( any (s(1, 2)%a(:, :) /= reshape ([1121, 122, 141, 142], [2, 2]))) STOP 2
  23     if ( any (s(2, 1)%a(:, :) /= reshape ([1112, 114, 122, 124], [2, 2]))) STOP 3
  24     if ( any (s(2, 2)%a(:, :) /= reshape ([1122, 124, 142, 144], [2, 2]))) STOP 4
  25
  26     call test_sub(s(1, 1)%a(:, :), 1000)  ! Check "normal" references.
  27
  28     if ( any (s(1, 1)%a(:, :) /= reshape ([2111,1112,1121,1122], [2, 2]))) STOP 5
  29     if ( any (s(1, 2)%a(:, :) /= reshape ([1121, 122, 141, 142], [2, 2]))) STOP 6
  30     if ( any (s(2, 1)%a(:, :) /= reshape ([1112, 114, 122, 124], [2, 2]))) STOP 7
  31     if ( any (s(2, 2)%a(:, :) /= reshape ([1122, 124, 142, 144], [2, 2]))) STOP 8
  32 contains
  33   subroutine test_sub(array, offset)
  34     integer array(:, :), offset
  35
  36     forall (i = 1:N, j = 1:N) &
  37         array(i, j) = array(i, j) + offset
  38   end subroutine
  39 end program
  40