;; foooo
define i32 @mul_add(i32 %x, i32 %y, i32 %z) {
  entry:
    %tmp = mul i32 %x, %y
    %tmp2 = add i32 %tmp, %z
    %tmp3 = add i32 %tmp, 0
    ret i32 %tmp3
}

; Named metadata
!0 = !{i32 42, null, !"string"}
!foo = !{!0}

; Some unnamed metadata nodes, which are referenced by the named metadata.
!0 = !{!"zero"}
!1 = !{!"one"}
!2 = !{!"two"}
; A named metadata.
!name = !{!0, !1, !2}