[Bug 102694] Astrokill Beta: LLVM triggered Diagnostic Handler: Illegal instruction detected: VOP* instruction uses the constant bus more than once

[Bug 102694] Astrokill Beta: LLVM triggered Diagnostic Handler: Illegal instruction detected: VOP* instruction uses the constant bus more than once

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https://bugs.freedesktop.org/show_bug.cgi?id=102694

            Bug ID: 102694
           Summary: Astrokill Beta: LLVM triggered Diagnostic Handler:
                    Illegal instruction detected: VOP* instruction uses
                    the constant bus more than once
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: haagch@frickel.club
        QA Contact: dri-devel@lists.freedesktop.org

RX 480
mesa git 1bcb953e16600e0d9329b678a6eacee98d326547
llvm-svn 312959

Apitrace: https://haagch.frickel.club/files/AstroKill-Linux-DebugGame.trace.xz

LLVM triggered Diagnostic Handler: Illegal instruction detected: VOP*
instruction uses the constant bus more than once
%VGPR4<def> = V_MADMK_F32 %SGPR19<kill>, 1050253722, %VGPR20, %EXEC<imp-use>
LLVM failed to compile shader
radeonsi: can't compile a main shader part

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[Bug 102694] Astrokill Beta: LLVM triggered Diagnostic Handler: Illegal instruction detected: VOP* instruction uses the constant bus more than once

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https://bugs.freedesktop.org/show_bug.cgi?id=102694

--- Comment #1 from Christoph Haag <haagch@frickel.club> ---
Many applications are affected. CS:GO, Unigine Heaven, Unigine Valles, but not
Unigine Sanctuary.

So it's probably not something obscure but something recently introduced.

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[Bug 102694] Astrokill Beta: LLVM triggered Diagnostic Handler: Illegal instruction detected: VOP* instruction uses the constant bus more than once

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https://bugs.freedesktop.org/show_bug.cgi?id=102694

--- Comment #2 from Christoph Haag <haagch@frickel.club> ---
llvm-svn 312776 is okay, llvm-svn 312959 is broken.

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[Bug 102694] Astrokill Beta: LLVM triggered Diagnostic Handler: Illegal instruction detected: VOP* instruction uses the constant bus more than once

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https://bugs.freedesktop.org/show_bug.cgi?id=102694

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jrch2k10@gmail.com

--- Comment #3 from Michel Dänzer <michel@daenzer.net> ---
*** Bug 102714 has been marked as a duplicate of this bug. ***

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[Bug 102694] Astrokill Beta: LLVM triggered Diagnostic Handler: Illegal instruction detected: VOP* instruction uses the constant bus more than once

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https://bugs.freedesktop.org/show_bug.cgi?id=102694

--- Comment #4 from MIka R <mika3hot@hotmail.com> ---
This also seems to affect kwin_x11. Memory leaking and some plasma 5 objects
flicker mildly.

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[Bug 102694] Astrokill Beta: LLVM triggered Diagnostic Handler: Illegal instruction detected: VOP* instruction uses the constant bus more than once

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https://bugs.freedesktop.org/show_bug.cgi?id=102694

John <john.ettedgui@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |john.ettedgui@gmail.com

--- Comment #5 from John <john.ettedgui@gmail.com> ---
Same issue with mpv, and I also went back to 312776 to workaround it.

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[Bug 102694] LLVM triggered Diagnostic Handler: Illegal instruction detected: VOP* instruction uses the constant bus more than once

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https://bugs.freedesktop.org/show_bug.cgi?id=102694

Christoph Haag <haagch@frickel.club> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
            Summary|Astrokill Beta: LLVM        |LLVM triggered Diagnostic
                   |triggered Diagnostic        |Handler: Illegal
                   |Handler: Illegal            |instruction detected: VOP*
                   |instruction detected: VOP*  |instruction uses the
                   |instruction uses the        |constant bus more than once
                   |constant bus more than once |

--- Comment #6 from Christoph Haag <haagch@frickel.club> ---
Tried unigine heaven with new builds and it works fine now.

Most likely fixed by
https://github.com/llvm-mirror/llvm/commit/11283fb2c8458150697e07d68d20ae7fe94325b5

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