[Bug 111075] Processing of SPIR-V shader causes device hang, sometimes leading to system reboot

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111075

Jason Ekstrand <jason at jlekstrand.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #5 from Jason Ekstrand <jason at jlekstrand.net> ---
Fixed by the following commit in master:

commit 6fb685fe4b762c8030f86895707516e2481e9ece (HEAD -> master, origin/master,
origin/HEAD)
Author: Jason Ekstrand <jason at jlekstrand.net>
Date:   Fri Jul 12 11:01:40 2019 -0500

    nir/regs_to_ssa: Handle regs in phi sources properly

    Sources of phi instructions act as if they occur at the very end of the
    predecessor block not the block in which the phi lives.  In order to
    handle them correctly, we have to skip phi sources on the normal
    instruction walk and handle them as a separate walk over the successor
    phis.  While registers in phi instructions is a bit of an oddity it can
    happen when we temporarily go out-of-SSA for control-flow manipulations.

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111075
    Cc: mesa-stable at lists.freedesktop.org
    Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira at intel.com>

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