From f5ad15e3699c0d07ab2b06865f3a8ae209d021d0 Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Fri, 27 Oct 2023 20:35:04 +0100
Subject: Chapter 5: If Statement, Phi, and Region
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-authored-by: Dibyendu Majumdar <mobile@majumdar.org.uk>
Co-authored-by: XmiliaH <45106915+XmiliaH@users.noreply.github.com>
Co-authored-by: Yichen Yan <oraluben@outlook.com>
Co-authored-by: Thalia Archibald <thalia@archibald.dev>
Co-authored-by: Hsiang-Ying Fu <66062782+fuhsnn@users.noreply.github.com>
Co-authored-by: Tamas Hadhazy <helsgithub15@gmail.com>
Co-authored-by: Symious <14933944+symious@users.noreply.github.com>
Co-authored-by: Claude Opus 5 <noreply@anthropic.com>
Co-authored-by: tannal <tannal2409@gmail.com>
Co-authored-by: hadha <helsgithub15@gmail.com>
Co-authored-by: fuhsnn <66062782+fuhsnn@users.noreply.github.com>
Co-authored-by: Tamás Hadházy <85063808+Hels15@users.noreply.github.com>
Co-authored-by: RobertObkircher <robert.obkircher@gmail.com>
Co-authored-by: Jun Kawasaki <jun784@gmail.com>
Co-authored-by: David Rubin <87927264+Rexicon226@users.noreply.github.com>
---
 docs/chapter05/05-graph4.gv | 63 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 docs/chapter05/05-graph4.gv

(limited to 'docs/chapter05/05-graph4.gv')

diff --git a/docs/chapter05/05-graph4.gv b/docs/chapter05/05-graph4.gv
new file mode 100644
index 00000000..88120b4a
--- /dev/null
+++ b/docs/chapter05/05-graph4.gv
@@ -0,0 +1,63 @@
+digraph chapter05 {
+/*
+int a=arg==2;
+if( arg==1 )
+{
+    a=arg==3;
+}
+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_6 [ label="#2" ];
+		EQNode7 [ label="==" ];
+		Con_8 [ label="#1" ];
+		EQNode9 [ label="==" ];
+		If10 [ 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_14 [ label="#3" ];
+		EQNode15 [ label="==" ];
+		Region16 [ shape=box style=filled fillcolor=yellow label="Region" ];
+		Phi_a17 [ style=filled fillcolor=lightyellow label="&phi;_a" ];
+		Return18 [ shape=box style=filled fillcolor=yellow label="Return" ];
+		{ rank=same; Region16;Phi_a17;}
+	}
+	edge [ fontname=Helvetica, fontsize=8 ];
+	Stop3 -> Return18[taillabel=0 color=red];
+	EQNode7 -> Start2:p1[taillabel=1];
+	EQNode7 -> Con_6[taillabel=2];
+	EQNode9 -> Start2:p1[taillabel=1];
+	EQNode9 -> Con_8[taillabel=2];
+	If10 -> Start2:p0[taillabel=0 color=red];
+	If10 -> EQNode9[taillabel=1];
+	EQNode15 -> Start2:p1[taillabel=1];
+	EQNode15 -> Con_14[taillabel=2];
+	Region16 -> If10:p0[taillabel=1 color=red];
+	Region16 -> If10:p1[taillabel=2 color=red];
+	Phi_a17 -> Region16 [style=dotted taillabel=0];
+	Phi_a17 -> EQNode15[taillabel=1];
+	Phi_a17 -> EQNode7[taillabel=2];
+	Return18 -> Region16[taillabel=0 color=red];
+	Return18 -> Phi_a17[taillabel=1];
+}
-- 
cgit v1.2.3