1976•Communications of the ACMOpen access

A program data flow analysis procedure

Frances Allen, John Cocke

Abstract

The global data relationships in a program can be exposed and codified by the static analysis methods described in this paper. A procedure is given which determines all the definitions which can possibly “reach” each node of the control flow graph of the program and all the definitions that are “live” on each edge of the graph. The procedure uses an “interval” ordered edge listing data structure and handles reducible and irreducible graphs indistinguishably.

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Key concepts: Control flow graph, Data-flow analysis, Computer science, Program analysis, Call graph, Graph, Listing (finance), Control flow analysis