Sparse program representations allow interstatement dependences to be represented explicitly, enabling dataflow analyzers to restrict the propagation of information to paths where it could potentially affect the dataflow solution. The paper describes the use of a single sparse program representation, the value dependence graph, in both general and analysis-specific contexts, and demonstrates its utility in reducing the cost of dataflow analysis. We find that several semantics-preserving transformations are beneficial in both contexts.
Publisher Association for Computing Machinery, Inc.
Copyright © 1995 by the Association for Computing Machinery, Inc. Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, to republish, to post on servers, or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from Publications Dept, ACM Inc., fax +1 (212) 869-0481, or firstname.lastname@example.org. The definitive version of this paper can be found at ACM’s Digital Library –http://www.acm.org/dl/.