[llvm-commits] [llvm] r45850 - /llvm/trunk/lib/VMCore/Verifier.cpp

[Evan Cheng]

On Jan 10, 2008, at 10:43 PM, Duncan Sands wrote:

> Hi Evan,
>
>> Allow parameter attributes on varargs function parameters.
>
> there are some issues that need to be fixed:
> (1) the asm parser drops parameter attributes specified on the varargs
> part of a call/invoke;
> (2) when the DAE pass drops varargs call arguments, the parameter
> attributes need to be trimmed, since otherwise you can have attributes
> that don't correspond to a call argument any more;
> (3) when instcombine resolves calls to a bitcast of a function into
> a direct call, then parameter attributes will be lost on any varargs
> part of a call.
>
> You need this for byval support, right?

Yep.

Evan
>
> D.