gcc/testsuite/gfortran.dg/function_optimize_7.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-O -fdump-tree-original -Warray-temporaries -finline-matmul-limit=0" }
   3 subroutine xx(n, m, a, b, c, d, x, z, i, s_in, s_out)
   4   implicit none
   5   integer, intent(in) :: n, m
   6   real, intent(in), dimension(n,n) :: a, b, c
   7   real, intent(out), dimension(n,n) :: d
   8   real, intent(in), dimension(n,m) :: s_in
   9   real, intent(out), dimension(m) :: s_out
  10   integer, intent(out) :: i
  11   real, intent(inout) :: x
  12   real, intent(out) :: z
  13   character(60) :: line
  14   real, external :: ext_func
  15   integer :: one = 1
  16   interface
  17      elemental function element(x)
  18        real, intent(in) :: x
  19        real :: elem
  20      end function element
  21      pure function mypure(x)
  22        real, intent(in) :: x
  23        integer :: mypure
  24      end function mypure
  25      elemental impure function elem_impure(x)
  26        real, intent(in) :: x
  27        real :: elem_impure
  28      end function elem_impure
  29   end interface
  30
  31   d = matmul(a,b) + matmul(a,b)    ! { dg-warning "Creating array temporary" }
  32   z = sin(x) + cos(x) + sin(x) + cos(x)
  33   x = ext_func(a) + 23 + ext_func(a)
  34   z = element(x) + element(x)
  35   i = mypure(x) - mypure(x)
  36   z = elem_impure(x) - elem_impure(x)
  37   s_out = sum(s_in,one) + 3.14 / sum(s_in,one) ! { dg-warning "Creating array temporary" }
  38 end subroutine xx
  39 ! { dg-final { scan-tree-dump-times "matmul_r4" 1 "original" } }
  40 ! { dg-final { scan-tree-dump-times "__builtin_sinf" 1 "original" } }
  41 ! { dg-final { scan-tree-dump-times "__builtin_cosf" 1 "original" } }
  42 ! { dg-final { scan-tree-dump-times "ext_func" 2 "original" } }
  43 ! { dg-final { scan-tree-dump-times "element" 1 "original" } }
  44 ! { dg-final { scan-tree-dump-times "mypure" 1 "original" } }
  45 ! { dg-final { scan-tree-dump-times "elem_impure" 2 "original" } }
  46 ! { dg-final { scan-tree-dump-times "sum_r4" 1 "original" } }