[Bug 71777] New: R600 stuck while compiling shader for Unigine Heaven 3.0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71777

          Priority: medium
            Bug ID: 71777
          Assignee: dri-devel at lists.freedesktop.org
           Summary: R600 stuck while compiling shader for Unigine Heaven
                    3.0
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: marvin24 at gmx.de
          Hardware: Other
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r600
           Product: Mesa

Created attachment 89455
  --> https://bugs.freedesktop.org/attachment.cgi?id=89455&action=edit
diff of the relevant shader dump with and without the patch

commit 88c8f19 (r600/llvm: Store inputs in function arguments) causes some
infinite loop compiling a shader in UH 3.0. Works fine with R600_LLVM=0 or by
reverting the patch. I attached a shader dump diff with and without the patch.
See also
http://lists.freedesktop.org/archives/mesa-dev/2013-November/048433.html.

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