[Dialect] Make warp specialization require at least 4 warps #8005
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ThomasRaoux
approved these changes
Aug 29, 2025
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The warpgroup allocator makes fairly strong assumptions that the default number of warps is at least 4. Untangling this is non-trivial (see #7940 which is WIP to fix this). For now, just add an error message to prevent the compiler from crashing and confusing users.