Q6. Draw directed acyclic graph (DAG) for the given three-address code             1.      T1 = a + b 2.      T2 = a * 2 3.      a = b [T1] 4.      c = T1 + T2 5.      T3 = c – 25 6.      If c < a GOTO (3) 7.      d = a + b 8.      T6 = d – T1 9.      T7 = k * 3 10.if T7 > 15 GOTO (1)

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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  1. Q6. Draw directed acyclic graph (DAG) for the given three-address code            

    1.      T1 = a + b

    2.      T2 = a * 2

    3.      a = b [T1]

    4.      c = T1 + T2

    5.      T3 = c – 25

    6.      If c < a GOTO (3)

    7.      d = a + b

    8.      T6 = d – T1

    9.      T7 = k * 3

    10.if T7 > 15 GOTO (1)

E →E+T| T
T→T* F|F
F → id
Transcribed Image Text:E →E+T| T T→T* F|F F → id
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