[llvm-commits] Fix for PR1798 (ScalarEvolution)

[Chris Lattner]

On Jan 15, 2008, at 11:29 PM, Wojciech Matyjewicz wrote:

> Chris Lattner wrote:
>> I think we should wait to address this after LLVM 2.2 branches.  That
>> said, the short-term fix is to round up to the next power of two  
>> (e.g.
>> 32 or 64 bits) and disable this transformation when that size is  
>> not a
>> "normal" llvm size (8, 16, 32, 64).
>>
>> Hopefully llvm 2.3 will have real APInt support in the code  
>> generator,
>> at which time we can remove these hacks. :)
>>
>> Does this sound reasonable?
>
> Yes, it does. I'll add the hacks and commit the patch after LLVM 2.2
> release.

Thanks!

-Chris