[clang] [lldb] [llvm] [OpenCL][Clang] Add support for cooperative matrix extension (PR #221328)

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asudarsa-qti wrote:

> Thanks for considering the CIR-enabled build in this. If it's not too much trouble, could you also add calls to `errorNYI()` in the places where CIR will need code added to support this (builtin handlers, bin-op dispatch, etc.)?

Hi @andykaylor 

Thanks for looking into this. This is a good catch. I have added the missing code in this commit 5f7652482b6a48fe93b195fdd66119aa2d47975b
please let me know if this is sufficient.

https://github.com/llvm/llvm-project/pull/221328