[llvm-commits] [PATCH] Add support for VarArg function calls

[Jush Lu]

Ping??

I attach the same patch again, and you can find what this patch does from
previous email copy below. Thanks.

On Wed, Jul 11, 2012 at 9:02 PM, Jush Lu <jush.msn at gmail.com> wrote:

> *Hi,*
> *
>
> This patch turns on VarArg function calls for ARMFastISel, and I only
> modified few lines of code in this patch, because variadic function calls
> use base standard calling convention to pass arguments and return results, that
> means a variadic function call works as noraml function calls, all we need
> to do is to avoid using co-processor registers to pass arguments and
> results, then variadic function calls will work well.
>
> I also update the test case “test/CodeGen/Thumb2/large-call.ll”, basically
> I just replace the “str” with “vstr” in this testcase, becasue FastIsel
> uses vfp instructions to handle double precision FP arguments, and I have
> run several tests on my arm ios device for large call.
>
> This patch will not give any compiler warning and it passes all test cases
> on my mac air and ubuntu desktop. Please review this patch, thanks.*
>
> *Jush*
>
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