1! { dg-do compile }
2! { dg-options "-O -fdump-tree-original -finline-matmul-limit=0 -Warray-temporaries" }
3program main
4  implicit none
5  real, dimension(2,2) :: a, b, c, d
6  integer :: i
7  real :: x, z
8  character(60) :: line
9  real, external :: ext_func
10  interface
11     elemental function element(x)
12       real, intent(in) :: x
13       real :: elem
14     end function element
15     pure function mypure(x)
16       real, intent(in) :: x
17       integer :: mypure
18     end function mypure
19     elemental impure function elem_impure(x)
20       real, intent(in) :: x
21       real :: elem_impure
22     end function elem_impure
23  end interface
24
25  data a /2., 3., 5., 7./
26  data b /11., 13., 17., 23./
27  write (unit=line, fmt='(4F7.2)') matmul(a,b)  &
28       & + matmul(a,b)    ! { dg-warning "Creating array temporary" }
29  z = sin(x) + cos(x) + sin(x) + cos(x)
30  print *,z
31  x = ext_func(a) + 23 + ext_func(a)
32  print *,d,x
33  z = element(x) + element(x)
34  print *,z
35  i = mypure(x) - mypure(x)
36  print *,i
37  z = elem_impure(x) - elem_impure(x)
38  print *,z
39end program main
40! { dg-final { scan-tree-dump-times "matmul_r4" 1 "original" } }
41! { dg-final { scan-tree-dump-times "__builtin_sinf" 1 "original" } }
42! { dg-final { scan-tree-dump-times "__builtin_cosf" 1 "original" } }
43! { dg-final { scan-tree-dump-times "ext_func" 2 "original" } }
44! { dg-final { scan-tree-dump-times "element" 1 "original" } }
45! { dg-final { scan-tree-dump-times "mypure" 1 "original" } }
46! { dg-final { scan-tree-dump-times "elem_impure" 2 "original" } }
47