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Heh, 'semi-whole' seems to be a bit of an oxymoron. Could you explain exactly what that means? Do you just mean that it looks at your whole program but not the libraries you use?

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Basically, it inlines across module boundaries (except where such modules are mutually recursive).

I don't think cyclic imports are allowed in Haskell.

Sure they are, and full cross-module inlining too

Since when? I just merged 3 files together because GHC complained of the cyclic imports. I would love to pull them apart again.

http://www.haskell.org/haskellwiki/Mutually_recursive_module...

Right, .hs-boot files. I was being naive and trusting the compiler warnings.

As far as I know it looks at out-of-module calls and does some optimization, but can't run the full optimization suite on outside modules.

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