[llvm-commits] [llvm] r52537 - /llvm/trunk/lib/Transforms/IPO/DeadArgumentElimination.cpp

[Devang Patel]

On Jul 2, 2008, at 9:58 AM, Dale Johannesen wrote:

> On Jul 2, 2008, at 9:50 AMPDT, Chris Lattner wrote:
>> On Jul 2, 2008, at 9:16 AM, Matthijs Kooijman wrote:
>>> Hi Chris,
>>>
>>>>> Don't let DeadArgElimination change the return type ({} into void
>>>>> and {T}
>>>>> into T) when no return values are actually dead.
>>>> Out of curiosity, why not?  {x} -> x would eliminate extractvalue
>>>> instructions, so it seems that it would reduce the size of the IR.
>
> Maybe I'm missing something, but wouldn't this assume call i32 and
> call {i32} use the same calling convention?  I don't think we can  
> assume
> that in general.

This is not for externally visible functions.
-
Devang