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Which of the following is NOT a common intermediate representation?

  • A.the token stream produced by the lexical analyser
  • B.three address code
  • C.static single assignment form
  • D.a directed acyclic graph built over one basic block

Answer: A

The first three are all representations of the program's computation. The token stream carries no structure at all and is consumed by the parser rather than passed to the back end. By the time code is generated the tokens have long since been discarded.

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