[LLVMdev] Preferring cast over seteq with 0

[Chris Lattner]

On Thu, 19 May 2005, Eric Zimmerman wrote:
> Is there a pass that will transform this:
>  %cc = seteq ushort %val, 0
>
> into this:
>  %cc = cast ushort %val to bool
>
> Would instcombine be the logical place to do this?

Actually the instcombine pass canonicalizes the other way, turning (cast X 
to bool) -> (X != 0).  Does this not work for you?

-Chris

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