llvm/docs/vplan-early-exit.dot

digraph VPlan {
graph [labelloc=t, fontsize=30; label=""]
node [shape=rect, fontname=Courier, fontsize=30]
edge [fontname=Courier, fontsize=30]
compound=true
  N1 [label =
    "vector.ph"
  ]
  N1 -> N2 [ label="" lhead=cluster_N3]
  subgraph cluster_N3 {
    fontname=Courier
    label="\<x1\> vector loop"
    N2 [label =
      "vector.body"
    ]
  }
  N2 -> N5 [ label="" ltail=cluster_N3]
  N2 -> N7 [ label="" ltail=cluster_N3]
  N2 -> N2 [style=dotted, dir=back, constraint=false, splines=true, weight=10]
  N5 [label =
    "vector.early.exit"
  ]
  N5 -> N6 [ label=""]
  N6 [label =
    "early.exit"
  ]
  N7 [label =
    "middle.block"
  ]
  N7 -> N10 [ label=""]
  N7 -> N8 [ label=""]
  N8 [label =
    "scalar.ph"
  ]
  N8 -> N9 [ label=""]
  N9 [label =
    "loop.header"
  ]
  N10 [label =
    "latch.exit"
  ]
}