1 files changed, 66 insertions, 0 deletions
diff --git a/docs/chapter05/05-graph3.gv b/docs/chapter05/05-graph3.gv
new file mode 100644
index 00000000..277bed48
--- /dev/null
+++ b/docs/chapter05/05-graph3.gv
@@ -0,0 +1,66 @@
+digraph chapter05 {
+/*
+int a = 1;
+if (arg == 1)
+    a = arg+2;
+else {
+    a = arg-3;
+    #showGraph;
+}
+#showGraph;
+return a;
+*/
+	rankdir=BT;
+	ordering="in";
+	concentrate="true";
+	subgraph cluster_Nodes {
+		Start2 [ shape=plaintext label=<
+			<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0" CELLPADDING="4">
+			<TR><TD BGCOLOR="yellow">Start</TD></TR>
+			<TR><TD>
+				<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
+				<TR><TD PORT="p0" BGCOLOR="yellow">$ctrl</TD><TD PORT="p1">arg</TD></TR>
+				</TABLE>
+			</TD></TR>
+			</TABLE>>
+		];
+		Stop3 [ shape=box style=filled fillcolor=yellow label="Stop" ];
+		Con_7 [ label="#1" ];
+		EQNode8 [ label="==" ];
+		If9 [ shape=plaintext label=<
+			<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0" CELLPADDING="4">
+			<TR><TD BGCOLOR="yellow">If</TD></TR>
+			<TR><TD>
+				<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
+				<TR><TD PORT="p0" BGCOLOR="yellow">True</TD><TD PORT="p1" BGCOLOR="yellow">False</TD></TR>
+				</TABLE>
+			</TD></TR>
+			</TABLE>>
+		];
+		Con_13 [ label="#2" ];
+		Add14 [ label="+" ];
+		Con_15 [ label="#3" ];
+		Sub16 [ label="-" ];
+		Region17 [ shape=box style=filled fillcolor=yellow label="Region" ];
+		Phi_a18 [ style=filled fillcolor=lightyellow label="&phi;_a" ];
+		Return19 [ shape=box style=filled fillcolor=yellow label="Return" ];
+		{ rank=same; Region17;Phi_a18;}
+	}
+	edge [ fontname=Helvetica, fontsize=8 ];
+	Stop3 -> Return19[taillabel=0 color=red];
+	EQNode8 -> Start2:p1[taillabel=1];
+	EQNode8 -> Con_7[taillabel=2];
+	If9 -> Start2:p0[taillabel=0 color=red];
+	If9 -> EQNode8[taillabel=1];
+	Add14 -> Start2:p1[taillabel=1];
+	Add14 -> Con_13[taillabel=2];
+	Sub16 -> Start2:p1[taillabel=1];
+	Sub16 -> Con_15[taillabel=2];
+	Region17 -> If9:p0[taillabel=1 color=red];
+	Region17 -> If9:p1[taillabel=2 color=red];
+	Phi_a18 -> Region17 [style=dotted taillabel=0];
+	Phi_a18 -> Add14[taillabel=1];
+	Phi_a18 -> Sub16[taillabel=2];
+	Return19 -> Region17[taillabel=0 color=red];
+	Return19 -> Phi_a18[taillabel=1];
+}