pan/midgard: Replace mir_is_live_after with new pass

Now that we have live_out calculated per block as metadata, calculating
liveness of an instruction at a given point in the program becomes O(n)
to the size of the block worst-case, rather than O(n) the program.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
1 file changed