More pure optimizations
Brad Roberts
braddr at puremagic.com
Wed Jun 3 21:16:56 PDT 2009
Brad Roberts wrote:
> On a related note, I started this past weekend playing with automatic
> detection / proof of pureness in the d2 codebase. It's a long way from
> complete, but could allow the optimizer to find pure by implementation
> rather than pure by definition cases to play with. The same code can be
> used to validate the pure attribute and warn or error on violations.
>
> Once I get it a semi-useful state, I'll toss a patch into a bug report so
> others can see it. Right now it's too embrionic to share. :(
>
> Later,
> Brad
As I feared.. within an hour of posting this I realized a fatal flaw in my
design. I've some ideas for how to do what I want, but I need to think more.
Sigh,
Brad
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