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Dependencies in UNDEFs were already not propagated by update_inst_scoreboard(), since the instruction there was not consider neither ordered or unordered; and also not being used to resolve implicit dependencies. The generator was already ignoring any baked dependency but for cases where UNDEF had two dependencies, a sync nop would be generated -- which would be redundant with a later sync nop. Since we know UNDEFs have no dependencies, stop treating them specially when trimming dependencies. This patch remove this particular class of redundant sync nops. No functional change is expected. Reviewed-by: Francisco Jerez <currojerez@riseup.net> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39875> |
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| vulkan | ||
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