Value Range Propagation Pass Status

Michael Hayes
Thu Feb 3 18:17:00 GMT 2000

John Wehle writes:
 > I've been working on a pass (when time has allowed :-) to track
 > and make use of value ranges associated with pseudo registers.

Great.  I coded a naive implementation about a year ago as an
experiment.  My goal was to estimate bounds on loop iterations.

Could your pass be run before loop optimisation so that we can acquire
this information for the loop optimizer?


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