Cleanup: toward merging core.concrete_aval & xla.abstractify #25456
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The goal of this change is to merge
core.concrete_aval
withxla.abstractify
. The two functions are quite similar, but differ slightly in the details. In particular,core.concrete_aval
includes sharding information whilexla.abstractify
does not. Additionally,xla.abstractify
is in the dispatch path, and therefore is more optimized in some cases.This first change simply moves
xla.abstractify
tocore.abstractify
, and moves the implementation of the two functions to the same locations so that they're easier to compare. This PR does not change any of the rule registrations; I plan to do that in a followup in order to localize potentially breaking and/or performance-sensitive changes.