jhuber6 wrote: @sarnex I'm assuming you're somewhat familiar with SPIR-V and the backend. We really need a way to call SPIR-V builtins directly, i.e. some way to get clang to lower something like `__builtin_spirv_ballot()` to `OpGroupNonUniformBallot`. I don't know how much SPIR-V exposes for actual 'subgroup' level operations.
https://github.com/llvm/llvm-project/pull/131164 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
