gcc/testsuite/gfortran.dg/pr48636.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-O3 -fdump-ipa-inline-details -fdump-ipa-fnsummary-details -fno-ipa-cp" }
   3
   4 module foo
   5   implicit none
   6 contains
   7   subroutine bar(a,x)
   8     real, dimension(:,:), intent(in) :: a
   9     real, intent(out) :: x
  10     integer :: i,j
  11
  12     x = 0
  13     do j=1,ubound(a,2)
  14        do i=1,ubound(a,1)
  15           x = x + a(i,j)**2
  16        end do
  17     end do
  18   end subroutine bar
  19 end module foo
  20
  21 program main
  22   use foo
  23   implicit none
  24   real, dimension(2,3) :: a
  25   real :: x
  26   integer :: i
  27
  28   data a /1.0, 2.0, 3.0, -1.0, -2.0, -3.0/
  29
  30   do i=1,2000000
  31      call bar(a,x)
  32   end do
  33   print *,x
  34 end program main
  35
  36 ! { dg-final { scan-ipa-dump "bar\[^\\n\]*inline copy in MAIN" "inline" } }
  37 ! { dg-final { scan-ipa-dump-times "phi predicate:" 3 "fnsummary" } }
  38 ! { dg-final { scan-ipa-dump "IPA hints: loop_iterations" "inline" } }