nir/opt_loop_unroll: Avoid list_length
authorAlyssa Rosenzweig <alyssa@collabora.com>
Thu, 6 Apr 2023 19:31:59 +0000 (15:31 -0400)
committerMarge Bot <emma+marge@anholt.net>
Fri, 7 Apr 2023 23:48:03 +0000 (23:48 +0000)
commit8505f0bd84d47b66f191536698d0bcaebd357f1c
tree5d78bcea1d88fc950e6bbe272438abcd5707ca88
parent7356f3eee7b17c3f9c15a5387a28d192e97b9e1f
nir/opt_loop_unroll: Avoid list_length

It is O(N) but can often be replaced with something O(1).

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22343>
src/compiler/nir/nir_opt_loop_unroll.c