1. What is constant folding in intermediate code optimisation? Illustrate with an example. 2. What is copy propagation? Illustrate how the copy propagation facilitates other optimisation...

1. What is constant folding in intermediate code optimisation? Illustrate with an example.

2. What is copy propagation? Illustrate how the copy propagation facilitates other optimisation opportunities.

3. What is dead code elimination? Illustrate with an example.

4. What are the common algebraic transformations that can be done for improving the intermediate code?

5. What is strength reduction transformation? Illustrate with an example.