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  1. Exactly, depending on the IR is not the same as...

    Exactly, depending on the IR is not the same as depending on the compiler. You can implement the IR in Mesa without linking to or embedding LLVM itself.

    I may be biased since I work on LLVM, but I...
  2. As a simpler alternative to moving LLVM into Mesa...

    As a simpler alternative to moving LLVM into Mesa for all drivers, what about using just LLVM IR, i.e. writing a new bitcode serializer/deserializer for one particular version of the IR in Mesa? That...
  3. I know there is currently no publicly available...

    I know there is currently no publicly available implementation, but have you had a look at SYCL? It should be much closer to what you describe (easy to spawn GPU kernels from C++, using the same...
  4. SYCL is both a runtime that sits on top of...

    SYCL is both a runtime that sits on top of existing OpenCL drivers (using the standard OpenCL C API) and a compiler that translates C++ kernels into SPIR (or other representations if you want to...
  5. Same here. I'm not really sure who would create...

    Same here. I'm not really sure who would create and sell a proprietary fork of a GPU driver made by another company to be honest!
  6. You're right, I missed it when I first looked at...

    You're right, I missed it when I first looked at it. That's awesome. Thanks!
  7. Both the GL driver and the shader compiler? Could...

    Both the GL driver and the shader compiler? Could you post the paths from the tarball?
  8. It's really great that Broadcom open sourced the...

    It's really great that Broadcom open sourced the code that interfaces with the GPU and the documentation. On the OpenGL ES side, it looks like they included only the RPC wrapper and not the actual...
  9. It's true that out-of-tree development is a pain...

    It's true that out-of-tree development is a pain if you're not tracking tip as there is no stable C++ API. I don't think LLVM is the only open-source project that does this.

    I think that's exactly...
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    The FOSDEM talk was interesting, but does the...

    The FOSDEM talk was interesting, but does the tree IR really need to be completely removed? Maybe the SSA optimisations could be done on the flat IR and the instruction selection on the tree IR which...
  11. Companies are giving back contributions to LLVM....

    Companies are giving back contributions to LLVM. The reason is simple: maintaining your own fork requires a lot of work that could be spent doing something useful.

    Some of these companies just...
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