Evaluating the benefits of context-sensitive points-to analysis using a BDD-based implementation

  • Authors:
  • Ondřej Lhoták;Laurie Hendren

  • Affiliations:
  • University of Waterloo, Waterloo, ON, Canada;McGill University, Montreal, QC, Canada

  • Venue:
  • ACM Transactions on Software Engineering and Methodology (TOSEM)
  • Year:
  • 2008

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Abstract

We present Paddle, a framework of BDD-based context-sensitive points-to and call graph analyses for Java, as well as client analyses that use their results. Paddle supports several variations of context-sensitive analyses, including call site strings and object sensitivity, and context-sensitively specializes both pointer variables and the heap abstraction. We empirically evaluate the precision of these context-sensitive analyses on significant Java programs. We find that that object-sensitive analyses are more precise than comparable variations of the other approaches, and that specializing the heap abstraction improves precision more than extending the length of context strings.