Question
Which code optimization technique replaces occurrences of a variable with its constant value if the variable has been assigned a constant value that is not subsequently changed?
More Compiler Design Questions
- Which of the following parsers is the most powerful (can parse the largest class of grammars)?
- If an expression `x = a + b` is computed, and later in the same basic block, `y = a + b` is computed, a compiler can apply which optimization?
- "Dead code elimination" is an optimization that removes:
- In a compiler, lexical analysis is responsible for:
- A 3-address instruction typically has the form:
- Which statement about intermediate code is TRUE?
- Which of the following grammars is suitable for top-down parsing?
- The primary role of the parser is to:
- Which of the following tools is commonly used to generate a lexical analyzer (scanner) from a set of regular expressions?
- Which of the following is an example of a "local optimization"?
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