I have no real opinion on patch 13. Patch 1 is mine so you need to review
it. :-) Patch 3/13 needs a fix or it will break clip and cull. We don't
need 6/13 or lcssa_phi at all anymore. Pending fixes to the loop unrolling
pass to get rid of Vulkan regressions, the series (except 13) is
Reviewed
V8:
- bunch of tidy ups mostly suggestions from Jason.
- fixed some regressions since V6 caused by V7 handling less
trivial loops. Piglit tests sent to cover these cases.
New piglit tests:
https://patchwork.freedesktop.org/patch/129066/
This series seems to regress some Vulkan CTS tests but
