[LLVMdev] [Patch] Metadata nodes and C API
mmuller at enduden.com
Wed Sep 12 10:12:45 PDT 2012
David Peixotto wrote:
> Hi Anthony,
> You need to send patches to the llvm-commits mailing list to get them
> reviewed and committed.
This should probably be mentioned here:
It's at the top of the document, but easy to miss for those of us who just
want to cut to the information they need.
I myself have just made the same mistake, and I'm sure I've seen reviews
happen here before.
> -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted
> by The Linux Foundation
> > -----Original Message-----
> > From: llvmdev-bounces at cs.uiuc.edu [mailto:llvmdev-bounces at cs.uiuc.edu]
> > On Behalf Of Anthony Bryant
> > Sent: Wednesday, September 12, 2012 8:53 AM
> > To: llvmdev at cs.uiuc.edu
> > Subject: Re: [LLVMdev] [Patch] Metadata nodes and C API
> > On 4 September 2012 13:44, Anthony Bryant <antjbryant at gmail.com>
> > wrote:
> > > Hi,
> > >
> > > I'm relatively new to using LLVM, and I'm working on a front end for a
> > > language I'm designing. I have a couple of questions about metadata:
> > >
> > > 1. I'd like to be able to store some high level program structure in
> > > bitcode files, to be imported by future runs of my compiler, in order
> > > to keep everything in one place (so my bitcode files become something
> > > akin to Java's class files). I was thinking of using named metadata to
> > > store that structure. I read in an old blog post that "use of metadata
> > > is only safe if the program retains its semantics when the metadata is
> > > silently dropped". Since it doesn't change the actual function of any
> > > of the code (and the metadata nodes don't reference the code at all),
> > > would this be a safe/practical way to store that high level structure
> > > in the long term?
> > >
> > > 2. I couldn't find any way to extract data from (non-named) metadata
> > > nodes from the C API. Is the attached patch an acceptable way to add
> > > that functionality? If so, could someone commit it?
> > >
> > > Thanks,
> > > Anthony Bryant.
> > Could someone take a look at this patch please? It only adds a couple of
> > functions to the C bindings.
> > Thanks,
> > Anthony Bryant.
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