Sat May 3 15:42:08 PDT 2008 Norman Ramsey <[EMAIL PROTECTED]>
* new version of ZipDataflow
This version combines forward/backard into a type class
(actually two classes) of analysis and transformation.
These type classes will always be expanded away at the client,
so SLPJ may wonder why they exist: it is because the interface
to this module is already very broad, and by overloading the functions
for forward and backward problems, we cut the cognitive load on the
clients in half.
A ./compiler/cmm/ZipDataflow.hs
View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20080503224208-39dff-3b956189b224096ec22ba60fc0122323c63c9505.gz
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