Here is the Longview bass tab.

Key:
/=slide
h=hammer on

|————————————————————————————9—7—6—7—
|————9—7—6———7—6———————9—7—6—0—0—0—0—
|6/7———————5—————5—6h7———————————————
|————————————————————————————————————

that riff is played pretty much through the entire song. If you 
know the song — which u should if your getting this tab — youll 
know when to stop.