[LLVMdev] andersen's alias analysis

[Chris Lattner]

On Aug 27, 2009, at 5:43 PM, Robert Zeh wrote:

> Might I suggest the following patch, because this issue has bite me  
> too?  You're lured in by the initial good results from the Andersens  
> alias analysis, only to discover the bugs later on.

Thanks, applied in r80328, along with a flag in the "opt -help" output  
as well.

-Chris

>
> Robert Zeh
>
> On Aug 26, 2009, at 9:11 PM, Chris Lattner wrote:
>
>> On Aug 26, 2009, at 6:40 PM, Max Stonebraker wrote:
>>> Hello,
>>>
>>> Does the LLVM Andersens alias analysis handle function pointers
>>> precisely? I ran it and it looks like it says every function points
>>> points to the universal set. Is this what I should expect?
>>
>> Hi Max,
>>
>> I don't know the answer offhand but please keep in mind that the
>> current andersen's pass has many known problems and bugs.  Consider  
>> it
>> "research quality".
>>
>> -Chris
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>
> <anders-patch.txt>