Visualization of program dependence graphs

Authors:
Thomas Würthinger;Christian Wimmer;Hanspeter Mössenböck
Affiliations:
Institute for System Software, Christian Doppler Laboratory for Automated Software Engineering, Johannes Kepler University Linz, Linz, Austria;Institute for System Software, Christian Doppler Laboratory for Automated Software Engineering, Johannes Kepler University Linz, Linz, Austria;Institute for System Software, Christian Doppler Laboratory for Automated Software Engineering, Johannes Kepler University Linz, Linz, Austria
Venue:
CC'08/ETAPS'08 Proceedings of the Joint European Conferences on Theory and Practice of Software 17th international conference on Compiler construction
Year:
2008

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Visualization

Abstract

The analysis of a compiler's intermediate data structures helps at debugging complex optimizations. We present a graphical tool for analyzing the program dependence graph of Sun Microsystems' Java HotSpot™ server compiler. The tool saves snapshots of the graph during the compilation. It displays the graphs and provides filtering mechanisms based on customizable JavaScript code and regular expressions. High performance and sophisticated navigation possibilities enable the tool to handle large graphs with thousands of nodes.