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! { dg-do compile }
! { dg-options "-O -faggressive-function-elimination -fdump-tree-original" }
program main
implicit none
real, dimension(2,2) :: a, b, c, d
real :: x, z
integer :: i
character(60) :: line
real, external :: ext_func
interface
elemental function element(x)
real, intent(in) :: x
real :: elem
end function element
pure function mypure(x)
real, intent(in) :: x
integer :: mypure
end function mypure
elemental impure function elem_impure(x)
real, intent(in) :: x
real :: elem_impure
end function elem_impure
end interface
data a /2., 3., 5., 7./
data b /11., 13., 17., 23./
write (unit=line, fmt='(4F7.2)') matmul(a,b) + matmul(a,b)
x = 1.2
z = sin(x) + cos(x) + sin(x) + cos(x)
print *,z
x = ext_func(a) + 23 + ext_func(a)
print *,d,x
z = element(x) + element(x)
print *,z
i = mypure(x) - mypure(x)
print *,i
z = elem_impure(x) - elem_impure(x)
print *,z
end program main
! { dg-final { scan-tree-dump-times "matmul_r4" 1 "original" } }
! { dg-final { scan-tree-dump-times "__builtin_sinf" 1 "original" } }
! { dg-final { scan-tree-dump-times "__builtin_cosf" 1 "original" } }
! { dg-final { scan-tree-dump-times "ext_func" 1 "original" } }
! { dg-final { scan-tree-dump-times "element" 1 "original" } }
! { dg-final { scan-tree-dump-times "mypure" 1 "original" } }
! { dg-final { scan-tree-dump-times "elem_impure" 1 "original" } }
! { dg-final { cleanup-tree-dump "original" } }
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