[llvm-dev] How to know the sub-class of a Value class?
Dipanjan Das via llvm-dev
llvm-dev at lists.llvm.org
Sun Jun 11 23:31:12 PDT 2017
On 11 June 2017 at 23:25, Jeremy Lakeman <Jeremy.Lakeman at gmail.com> wrote:
> I'm certainly no expert, but how you use that Value* would depend on what
> you want to do with it.
>
> From the documentation, it looks like Value->getValueID() is how the RTTI
> implementation determines the subclass.
> So you could switch over the values returned (defined in
> llvm/IR/Value.def).
>
In my <llvm-root>/include/llvm/IR/Value.def, there's no mapping between the
numeric ID (as returned by getValueID()) and corresponding sub-class.
Thanks & Regards,
Dipanjan
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