We know that in this case, the LS and HS invocations are working on the exact same vertex, so it's safe to skip the LDS. Totals: VGPRS: 3960744 -> 3961844 (0.03 %) Code Size: 254824300 -> 254764624 (-0.02 %) bytes Max Waves: 1053748 -> 1053574 (-0.02 %) Totals from affected shaders: VGPRS: 26152 -> 27252 (4.21 %) Code Size: 1496600 -> 1436924 (-3.99 %) bytes Max Waves: 4860 -> 4686 (-3.58 %) Signed-off-by: Timur Kristóf <timur.kristof@gmail.com> Reviewed-by: Rhys Perry <pendingchaos02@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4165>