[LLVMdev] NVPTX annotation metadata emission

[Alberto Magni]

Oh yes the toolchain is working fine.
I was just thinking about the frontend support.

Thank you Justin,

Cheers,
Alberto


On Mon, May 7, 2012 at 3:05 PM, Justin Holewinski <jholewinski at nvidia.com>wrote:

> This new metadata format is currently optional.  The old ptx_kernel
> calling convention should still work.
>
> The only thing you should have to change when converting from PTX -> NVPTX
> is the address space map.  The calling conventions and intrinsics should be
> compatible with both.
>
> > -----Original Message-----
> > From: llvmdev-bounces at cs.uiuc.edu [mailto:llvmdev-bounces at cs.uiuc.edu]
> > On Behalf Of Alberto Magni
> > Sent: Monday, May 07, 2012 6:09 AM
> > To: LLVM Developers Mailing List; clang-dev Developers
> > Subject: [LLVMdev] NVPTX annotation metadata emission
> >
> > Hi everybody,
> >
> > I have noticed that the new NVPTX backend requires new metadata to
> > identify the kernels in the module:
> >
> > define void @metadata_kernel(float* %a) {
> >   ret void
> > }
> >
> >
> > !nvvm.annotations = !{!1}
> > !1 = metadata !{void (float*)* @metadata_kernel, metadata !"kernel", i32
> 1}
> >
> >
> > Is clang going to support the emission of this metadata soon ? Or do I
> have to
> > write it on my own ? :)
> >
> > Thanks,
> > Alberto
>
>
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