[llvm-commits] [llvm] r65289 - /llvm/trunk/lib/Transforms/Scalar/InstructionCombining.cpp

[Dan Gohman]

On Feb 23, 2009, at 5:57 PM, Chris Lattner wrote:

>
> On Feb 23, 2009, at 4:29 PM, Dan Gohman wrote:
>
>>>> assigned a large alignment, which required codegen to perform
>>>> dynamic stack-pointer re-alignment, which forced the enclosing
>>>> function to have a frame pointer, which led to increased spilling.
>>>
>>> testcase?
>>
>>
>> I can probably construct an artificial testcase if you think it'd  
>> be useful,
>> but I don't have anything handy smaller than lencod itself.
>
> I'm not interested in an executable testcase, an artificial one is  
> good.  This is the sort of thing that is non-obvious and could break  
> in the future, which is why I thought a testcase would be useful.   
> Do you agree?

I added a testcase.

Dan