[cfe-dev] OpenCL & SPIR specific types - proposal and patch

[Anton Lokhmotov]

>> For example, I don't quite understand why constant propagation 
>> on samplers should even work.
> Sorry, can you please explain why constant propagation shouldn't 
> work on program scope samplers?
Feel free to enlighten me with an example.  (Perhaps we do it in the
backend, but I'm unaware of the need to do it at the LLVM-IR level.)

Thanks,
Anton.