A Simple , Fast Dominance Algorithm

  title={A Simple , Fast Dominance Algorithm},
  author={Keith D. Cooper and Timothy J. Harvey and Ken Kennedy},
The problem of finding the dominators in a control-flow graph has a long history in the literature. The original algorithms suffered from a large asymptotic complexity but were easy to understand. Subsequent work improved the time bound, but generally sacrificed both simplicity and ease of implementation. This paper returns to a simple formulation of dominance as a global data-flow problem. Some insights into the nature of dominance lead to an implementation of an O(N) algorithm that runs… CONTINUE READING
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