gcc/testsuite/gfortran.dg/pr43984.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-O2 -fno-tree-dominator-opts -fdump-tree-pre -fno-tree-sra" }
   3 module test
   4
   5    type shell1quartet_type
   6
   7    integer(kind=kind(1)) :: ab_l_sum
   8    integer(kind=kind(1)), dimension(:), pointer :: ab_form_3dints_x_indices => NULL()
   9    integer(kind=kind(1)), dimension(:), pointer :: ab_form_3dints_yz_rms_indices => NULL()
  10
  11     end type
  12
  13 contains
  14 subroutine make_esss(self,esss)
  15   type(shell1quartet_type) :: self
  16   intent(in) :: self
  17   real(kind=kind(1.0d0)), dimension(:), intent(out) :: esss
  18   real(kind=kind(1.0d0)), dimension(:), pointer :: Izz
  19   real(kind=kind(1.0d0)), dimension(:,:), pointer :: Ix,Iy,Iz,Iyz
  20   integer(kind=kind(1)), dimension(:), pointer  :: e_x,ii_ivec
  21   integer(kind=kind(1)) :: dim, dim1, nroots, ii,z,y
  22
  23     dim = self%ab_l_sum+1
  24     dim1 = self%ab_l_sum+2
  25     nroots = (dim1) / 2
  26     call create_(Ix,nroots,dim)
  27     call create_(Iy,nroots,dim)
  28     call create_(Iz,nroots,dim)
  29     call create_(Iyz,nroots,dim*dim1/2)
  30
  31     e_x => self%ab_form_3dints_x_indices
  32     ii_ivec => self%ab_form_3dints_yz_rms_indices
  33
  34     call foo(Ix)
  35     call foo(Iy)
  36     call foo(Iz)
  37
  38     esss = ZERO
  39     ii = 0
  40     do z=1,dim
  41       Izz => Iz(:,z)
  42       do y=1,dim1-z
  43         ii = ii + 1
  44         Iyz(:,ii) = Izz * Iy(:,y)
  45       end do
  46     end do
  47     esss = esss + sum(Ix(:,e_x) * Iyz(:,ii_ivec),1)
  48
  49 end subroutine
  50
  51 end
  52
  53 ! There should be two loads from iyz.data, not four.
  54
  55 ! { dg-final { scan-tree-dump-times "= iyz.data" 2 "pre" } }