[cfe-dev] how to get c++ name for llvm::Type

[Eli Friedman]

On Wed, Jul 7, 2010 at 8:44 AM, Jochen Wilhelmy <j.wilhelmy at arcor.de> wrote:
> Hi!
>
> if I compile code from c++ to llvm using clang I want to reverse-lookup
> the type names of some simple structures e.g.
> struct Foo
> {
>     int bar;
> };
>
> I would need a function that returns the name or clang::TagDecl
> given the llvm::Type.
>
> How can this be done?

In general, it can't; LLVM types are purely structural, so there may
be many C++ types which map to the same LLVM type.  What are you
trying to do?

-Eli