From 9b11d0c0c3760b7381dffd9e92550ce4b3c429c9 Mon Sep 17 00:00:00 2001
From: dibyendumajumdar <mobile@majumdar.org.uk>
Date: Mon, 30 Oct 2023 22:36:45 +0000
Subject: Update visual

---
 chapter05/README.md         |  6 +++++
 chapter05/docs/05-graph3.gv | 66 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 72 insertions(+)
 create mode 100644 chapter05/docs/05-graph3.gv

(limited to 'chapter05')

diff --git a/chapter05/README.md b/chapter05/README.md
index 32f57fea..bd3de18b 100644
--- a/chapter05/README.md
+++ b/chapter05/README.md
@@ -147,6 +147,12 @@ Below is the graph after we created a `Region` node and merged the two definitio
 * `a` is now bound to the `Phi` node.
 * The `Phi` node's inputs are the `Region` node and the `Add` node from the `True` branch, and `Sub` node from the `False` branch.
 
+### Finally
+
+Here is the graph after the `return` statement.
+
+![Graph3](./docs/05-graph3.svg)
+
 ## References
 <a id="1">[1]</a>
 Click, C. (1995).
diff --git a/chapter05/docs/05-graph3.gv b/chapter05/docs/05-graph3.gv
new file mode 100644
index 00000000..a09fcca5
--- /dev/null
+++ b/chapter05/docs/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; Phi_a18;}
+	}
+	Stop3 -> Return19 [color=red];
+	EQNode8 -> Start2:p1;
+	EQNode8 -> Con_7;
+	If9 -> Start2:p0 [color=red];
+	If9 -> EQNode8;
+	Add14 -> Start2:p1;
+	Add14 -> Con_13;
+	Sub16 -> Start2:p1;
+	Sub16 -> Con_15;
+	Region17 -> If9:p0 [color=red];
+	Region17 -> If9:p1 [color=red];
+	Phi_a18 -> Region17 [color=red];
+	Phi_a18 -> Add14;
+	Phi_a18 -> Sub16;
+	Return19 -> Region17 [color=red];
+	Return19 -> Phi_a18;
+}
-- 
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