GATE CS 2014 Set 1 — Question 17

Multiple choice 1 mark Question 17 2014

Question 17

MCQ 1 marks · −0.33 Compiler Design

Which one of the following is FALSE?

A A basic block is a sequence of instructions where control enters the sequence at the beginning and exits at the end. B Available expression analysis can be used for common subexpression elimination. C Live variable analysis can be used for dead code elimination. D x = 4 * 5 ⇒ x = 20 is an example of common subexpression elimination.

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GATE CS — Computer Science & IT 2014 Compiler Design

Source: GATE 2014 Computer Science and Information Technology, Set 1, Q17 (question number approximate)

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