[Bug 109081] [bisected] [HSW] Regression in clipping.user_defined.clip_* vulkancts tests

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109081

            Bug ID: 109081
           Summary: [bisected] [HSW] Regression in
                    clipping.user_defined.clip_* vulkancts tests
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Keywords: bisected
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: clayton.a.craft at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

The following tests have regressed on vulkancts/HSW:


dEQP-VK.clipping.user_defined.clip_cull_distance_dynamic_index.vert_tess.1_7
dEQP-VK.clipping.user_defined.clip_cull_distance_dynamic_index.vert_tess.2_6
dEQP-VK.clipping.user_defined.clip_cull_distance_dynamic_index.vert_tess.3_5
dEQP-VK.clipping.user_defined.clip_cull_distance_dynamic_index.vert_tess.4_4
dEQP-VK.clipping.user_defined.clip_cull_distance_dynamic_index.vert_tess.5_3
dEQP-VK.clipping.user_defined.clip_cull_distance_dynamic_index.vert_tess.6_2
dEQP-VK.clipping.user_defined.clip_cull_distance_dynamic_index.vert_tess.7_1
dEQP-VK.clipping.user_defined.clip_cull_distance_dynamic_index.vert_tess.8
dEQP-VK.clipping.user_defined.clip_cull_distance_dynamic_index.vert_tess_geom.1_7
dEQP-VK.clipping.user_defined.clip_cull_distance_dynamic_index.vert_tess_geom.2_6
dEQP-VK.clipping.user_defined.clip_cull_distance_dynamic_index.vert_tess_geom.3_5
dEQP-VK.clipping.user_defined.clip_cull_distance_dynamic_index.vert_tess_geom.4_4
dEQP-VK.clipping.user_defined.clip_cull_distance_dynamic_index.vert_tess_geom.5_3
dEQP-VK.clipping.user_defined.clip_cull_distance_dynamic_index.vert_tess_geom.6_2
dEQP-VK.clipping.user_defined.clip_cull_distance_dynamic_index.vert_tess_geom.7_1
dEQP-VK.clipping.user_defined.clip_cull_distance_dynamic_index.vert_tess_geom.8
dEQP-VK.clipping.user_defined.clip_distance_dynamic_index.vert_tess.1
dEQP-VK.clipping.user_defined.clip_distance_dynamic_index.vert_tess.2
dEQP-VK.clipping.user_defined.clip_distance_dynamic_index.vert_tess.3
dEQP-VK.clipping.user_defined.clip_distance_dynamic_index.vert_tess.4
dEQP-VK.clipping.user_defined.clip_distance_dynamic_index.vert_tess.5
dEQP-VK.clipping.user_defined.clip_distance_dynamic_index.vert_tess.6
dEQP-VK.clipping.user_defined.clip_distance_dynamic_index.vert_tess.7
dEQP-VK.clipping.user_defined.clip_distance_dynamic_index.vert_tess.8
dEQP-VK.clipping.user_defined.clip_distance_dynamic_index.vert_tess_geom.1
dEQP-VK.clipping.user_defined.clip_distance_dynamic_index.vert_tess_geom.2
dEQP-VK.clipping.user_defined.clip_distance_dynamic_index.vert_tess_geom.3
dEQP-VK.clipping.user_defined.clip_distance_dynamic_index.vert_tess_geom.4
dEQP-VK.clipping.user_defined.clip_distance_dynamic_index.vert_tess_geom.5
dEQP-VK.clipping.user_defined.clip_distance_dynamic_index.vert_tess_geom.6
dEQP-VK.clipping.user_defined.clip_distance_dynamic_index.vert_tess_geom.7
dEQP-VK.clipping.user_defined.clip_distance_dynamic_index.vert_tess_geom.8


Test outputs can be viewed here:

http://mesa-ci-results.jf.intel.com/vulkancts/builds/9834/group/63a9f0ea7bb98050796b649e85481845#fails





Bisected to this commit:

commit 8fb8ebfbb05d3323481c8ba6d320b3a3580bad99
Author: Ian Romanick <ian.d.romanick at intel.com>
Date:   Tue May 22 18:56:41 2018 -0700

    intel/compiler: More peephole select

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