digraph "example" { rankdir="LR"; remincross=true; n4 [ shape=octagon, label="a", color="black", fontcolor="black" ]; n5 [ shape=octagon, label="b", color="black", fontcolor="black" ]; n6 [ shape=octagon, label="c", color="black", fontcolor="black" ]; n7 [ shape=octagon, label="clk", color="black", fontcolor="black" ]; n8 [ shape=octagon, label="y", color="black", fontcolor="black" ]; c12 [ shape=record, label="{{ A| B}|$2\n$add|{ Y}}" ]; v0 [ label="2'00" ]; c14 [ shape=record, label="{{ A| B| S}|$3\n$mux|{ Y}}" ]; p1 [shape=box, style=rounded, label="PROC $1\nexample.v:3"]; c12:p11:e -> c14:p10:w [color="black", style="setlinewidth(3)", label=""]; c14:p11:e -> p1:w [color="black", style="setlinewidth(3)", label=""]; n4:e -> c12:p9:w [color="black", label=""]; n5:e -> c12:p10:w [color="black", label=""]; n6:e -> c14:p13:w [color="black", label=""]; n6:e -> p1:w [color="black", label=""]; n7:e -> p1:w [color="black", label=""]; p1:e -> n8:w [color="black", style="setlinewidth(3)", label=""]; n8:e -> p1:w [color="black", style="setlinewidth(3)", label=""]; v0:e -> c14:p9:w [color="black", style="setlinewidth(3)", label=""]; }