[clang] [flang] [llvm] [Clang][AMDGPU] Expose buffer load lds as a clang builtin (PR #132048)
Juan Manuel Martinez CaamaƱo via llvm-commits
llvm-commits at lists.llvm.org
Tue Mar 25 03:29:38 PDT 2025
jmmartinez wrote:
> > I've also seen that gfx11 seem to have some kind of BUFFER_LOAD_LDS_(SIZE) instruction (different from the BUFFER_LOAD_(SIZE)_LDS instructions associated with this builtin).
> > However, I'm not sure they actually exists: we do not have any test where we generate them and the gfx11 shader manual explicitly says _"Remove "LOAD_LDS" instructions: buffer_load_lds, scratch_load_lds, global_load_lds"_
>
> Sounds like we need to get information from HW folks. :-)
I've asked and there is no buffer_load_lds instruction on gfx11 nor gfx12. I guess we can remove them in a separate patch.
https://github.com/llvm/llvm-project/pull/132048
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