Compiler Design Unit 5 – Code Generation and Code Optimization: important questions for AKTU
Unit 5 (Code Generation and Code Optimization) questions that AKTU repeats most often. This unit carries about 25 marks per paper. Start with the repeated questions, then the most asked topics.
Most repeated Unit 5 questions
- Discuss the optimization techniques used at the basic block level. Explain with an example how a basic block can be optimized. (7 marks, 2025, Optimization of Basic Blocks) – also asked in 2017
- Explain what constitutes a loop in a flow graph and how will do you do loop optimizations in code optimization of a compiler. (10 marks, 2024, Loop Optimization) – also asked in 2019
- Explain what constitute a loop in flow graph and how will you do loop optimizations in code optimization of a compiler. (7 marks, 2019, Loop Optimization) – also asked in 2024
Most important Unit 5 topic
- DAG Representation of Basic Blocks (Unit 5: Code Generation and Code Optimization) – asked 11 times in 2017, 2019, 2021, 2023, 2024, 2025, 2026
Most asked Unit 5 topics
- DAG Representation of Basic Blocks – asked 11 times
- Loop Optimization – asked 8 times
- Machine-Independent Optimizations – asked 7 times
More Unit 5 previous year questions
- What is common subexpression elimination? (2 marks, 2026, Machine-Independent Optimizations)
- Explain the issues involved in code generation and discuss characteristics of target machine. (7 marks, 2026, Code Generation Design Issues)
- Construct DAG for the expression and optimize the code: a = b ∗ c + b ∗ c + d (7 marks, 2026, DAG Representation of Basic Blocks)
- What is machine-independent code optimization? (2 marks, 2025, Machine-Independent Optimizations)
- Explain the major design issues in code generation. How do these issues impact the performance of a compiler? (7 marks, 2025, Code Generation Design Issues)
Unit 5 syllabus topics
- Code Generation Design Issues
- Target Language
- Addresses in the Target Code
- Basic Blocks and Flow Graphs
- Optimization of Basic Blocks
- Code Generator
- Machine-Independent Optimizations
- Loop Optimization
- DAG Representation of Basic Blocks
- Value Numbers and Algebraic Laws
- Global Data-Flow Analysis