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Currently, IonMonkey is disabled by default. Use '--ion' to enable it.
=Debugging=
A few tools exist to help debug IonMonkey.
*Debug spew, controlled by the environment variable <tt>IONFLAGS</tt>. Set it to <tt>help</tt> to see available options.
*Instruction spew, via setting the environment variable <tt>JMFLAGS</tt> to <tt>insns</tt>.
*[http://java.net/projects/c1visualizer/ c1visualizer] IonMonkey writes a spew file to <tt>/tmp/ion.cfg</tt>, which can be imported into the c1visualizer. It can display a clickable control-flow graph, MIR, LIR, and liveness intervals for LSRA.
*[https://github.com/sstangl/iongraph iongraph] by Sean Stangl, using IonMonkey's JSON spew.
