Efficient accommodation of may-alias information in SSA form

  • Authors:
  • Ron Cytron;Reid Gershbein

  • Affiliations:
  • -;-

  • Venue:
  • PLDI '93 Proceedings of the ACM SIGPLAN 1993 conference on Programming language design and implementation
  • Year:
  • 1993

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Abstract

We present an algorithm for incrementally including may-alias information into Static Single Assignment form by computing a sequence of increasingly precise (and correspondingly larger) partial SSA forms. Our experiments show significant speedup of our method over exhaustive use of may-alias information, as optimization problems converge well before most may-aliases are needed.