[Bug 99100] [SKL,BDW,BSW,KBL] dEQP-VK.glsl.return.return_in_dynamic_loop_dynamic_vertex regression

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99100

--- Comment #2 from Timothy Arceri <t_arceri at yahoo.com.au> ---
I've pushed:

commit 3421b3f5a35f5cf29934f74c30850c4d04ba0237
Author: Timothy Arceri <timothy.arceri at collabora.com>
Date:   Fri Dec 16 10:17:33 2016 +1100

    nir: Turn imov/fmov of undef into undef

    Reverting the previous attempt at this a5502a721fd30fd resulted in
    the following Vulkan test failing.

    dEQP-VK.glsl.return.return_in_dynamic_loop_dynamic_vertex

    This time we use the num_components from the alu dest rather than
    num_inputs to the op to determine the size of the undef.

    Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
    Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>
    Cc: "13.0" <mesa-stable at lists.freedesktop.org>
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=99100

However both Ken and Jason seem to think this is just hiding a real bug so
maybe we should keep this open?

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