Chris Lattner 1e5065052a Rewrite the guts of the reassociate pass to be more efficient and logical. Instead ...

of trying to do local reassociation tweaks at each level, only process an expression
tree once (at its root).  This does not improve the reassociation pass in any real way.

llvm-svn: 21768

2005-05-07 21:59:39 +00:00

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