[llvm-dev] Convert Register Names to String

[Ahmad Nouralizadeh Khorrami via llvm-dev]

Thanks Tim. So, you mean name information is redundant and I can use
Value*, instead. I will try to use that approach.
Regards.

On Mon, 12 Nov 2018 at 16:07, Tim Northover <t.p.northover at gmail.com> wrote:

> Hi Ahmad,
>
> On Mon, 12 Nov 2018 at 12:25, Ahmad Nouralizadeh Khorrami
> <ahmad.llvm at gmail.com> wrote:
> > Thanks for the nice answer. The code that you mentioned, seems to
> generate the IR. You mean I should reuse the code to extract and output the
> register names in a file. Next, I should postprocess the file in my own
> pass?
>
> Sorry, I assumed you'd already decided to do that to generate data for
> an external program and needed it in IR form.
>
> If the external program bit is true but not the tight coupling to LLVM
> IR you could probably just use the Value* pointers as the "name" of a
> value.
>
> If everything is going to be happening in LLVM then you have other
> options. Again the most likely solution would be to store pointers to
> Values and forget about names. I think the whole "Analysis" library of
> LLVM is dedicated to providing data in roughly that format to passes
> that actually interpret it, so you should be able to write one that
> provides some kind of simple mapping from "Value *" to "Value *" as
> its interface. Then a transformation pass could make use of that data.
>
> That transformation pass might even be one that embeds the information
> into the Module (say, as a set of global variables providing metadata)
> for much later consumption.
>
> Cheers.
>
> Tim.
>
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