[Mesa-dev] [Bug 57644] New: [llvmpipe] src/gallium/auxiliary/gallivm/lp_bld_init.c:568:gallivm_verify_function: Assertion `0' failed.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=57644

          Priority: medium
            Bug ID: 57644
          Keywords: regression
                CC: sroland at vmware.com
          Assignee: mesa-dev at lists.freedesktop.org
           Summary: [llvmpipe]
                    src/gallium/auxiliary/gallivm/lp_bld_init.c:568:galliv
                    m_verify_function: Assertion `0' failed.
          Severity: critical
    Classification: Unclassified
                OS: Linux (All)
          Reporter: vlee at freedesktop.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Other
           Product: Mesa

Created attachment 70720
  --> https://bugs.freedesktop.org/attachment.cgi?id=70720&action=edit
depth-level-clamp.log

mesa: 8765c0d20fb849733c39f088279909c989fbe9e0 (master)

Run piglit depth-level-clamp on llvmpipe.

$ ./bin/depth-level-clamp -auto
Both operands to ICmp instruction are not of the same type!
  %161 = icmp sge <4 x i32> %143, i32 0
Branch condition is not 'i1' type!
  br <4 x i1> %161, label %if-true-block, label %if-false-block
  %161 = icmp sge <4 x i32> %143, i32 0
Broken module found, verification continues.
[...]
src/gallium/auxiliary/gallivm/lp_bld_init.c:568:gallivm_verify_function:
Assertion `0' failed.


529fe420ba6836479619ba42e53665724755fc1c is the first bad commit
commit 529fe420ba6836479619ba42e53665724755fc1c
Author: Roland Scheidegger <sroland at vmware.com>
Date:   Tue Nov 27 03:30:55 2012 +0100

    gallivm: use the new mip per quad handling in texture fetch path

    No longer have to split fetching into quads dynamically if mip levels
    are not the same for all quads (aos sampling still always splits due
    to performance reasons).
    Instead handle multiple mip levels further down, minification etc. takes
    this into account.

    Reviewed-by: José Fonseca <jfonseca at vmware.com>

:040000 040000 a14ab8d28a8cfc8ea4822722218cf23ad3390d8a
83ff09a69398c19fce556b17a730a3c416e125fd M      src
bisect run success

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