[Bug 54230] New: r600-llvm-compiler completely broken at CAYMAN

[Bug 54230] New: r600-llvm-compiler completely broken at CAYMAN

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https://bugs.freedesktop.org/show_bug.cgi?id=54230

             Bug #: 54230
           Summary: r600-llvm-compiler completely broken at CAYMAN
    Classification: Unclassified
           Product: DRI
           Version: XOrg CVS
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: v10lator@myway.de


Created attachment 66294
  --> https://bugs.freedesktop.org/attachment.cgi?id=66294
The desktop with compiz.

Today I decided to give the llvm shader compiler a try, so I compiled mesa
(from git) with it enabled.
The result was a completely broken desktop. With the help of a 2d desktop
environment I was able to capture some screenshots/videos from Minecraft (see
attachments).

No information in dmesg and/or Xorg.0.log (I attach them anyway).

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[Bug 54230] r600-llvm-compiler completely broken at CAYMAN

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https://bugs.freedesktop.org/show_bug.cgi?id=54230

--- Comment #1 from Thomas Rohloff <v10lator@myway.de> 2012-08-29 20:49:21 UTC ---
Created attachment 66295
  --> https://bugs.freedesktop.org/attachment.cgi?id=66295
Minecrafts main menue.

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[Bug 54230] r600-llvm-compiler completely broken at CAYMAN

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https://bugs.freedesktop.org/show_bug.cgi?id=54230

--- Comment #2 from Thomas Rohloff <v10lator@myway.de> 2012-08-29 20:54:31 UTC ---
Created attachment 66296
  --> https://bugs.freedesktop.org/attachment.cgi?id=66296
dmesg

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[Bug 54230] r600-llvm-compiler completely broken at CAYMAN

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https://bugs.freedesktop.org/show_bug.cgi?id=54230

--- Comment #3 from Thomas Rohloff <v10lator@myway.de> 2012-08-29 20:55:07 UTC ---
Created attachment 66297
  --> https://bugs.freedesktop.org/attachment.cgi?id=66297
Xorg.0.log

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[Bug 54230] r600-llvm-compiler completely broken at CAYMAN

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https://bugs.freedesktop.org/show_bug.cgi?id=54230

--- Comment #4 from Thomas Rohloff <v10lator@myway.de> 2012-08-30 08:54:22 UTC ---
As the video is to big for an attachment here's a link:
https://vimeo.com/48479243
It shows Minecraft in-game.

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[Bug 54230] r600-llvm-compiler completely broken at CAYMAN

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https://bugs.freedesktop.org/show_bug.cgi?id=54230

Tom Stellard <tstellar@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Product|DRI                         |Mesa
            Version|XOrg CVS                    |git
          Component|DRM/Radeon                  |Drivers/Gallium/r600

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[Bug 54230] r600-llvm-compiler completely broken at CAYMAN

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https://bugs.freedesktop.org/show_bug.cgi?id=54230

--- Comment #5 from Tom Stellard <tstellar@gmail.com> 2012-08-30 13:13:28 UTC ---
The llvm backend hasn't been tested much on Cayman, so probably some of the
Cayman specific features aren't working correctly. Could you set the
environment variable R600_DUMP_SHADERS=1 and then post the debug output from
compiz and minecraft?

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[Bug 54230] r600-llvm-compiler completely broken at CAYMAN

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--- Comment #6 from Thomas Rohloff <v10lator@myway.de> 2012-08-31 12:37:31 UTC ---
Created attachment 66403
  --> https://bugs.freedesktop.org/attachment.cgi?id=66403
R600_DUMP_SHADERS=1 compiz --replace > Desktop/compiz-shader.txt 2>&1

(In reply to comment #5)
I hope this is what you wanted.

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[Bug 54230] r600-llvm-compiler completely broken at CAYMAN

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--- Comment #7 from Thomas Rohloff <v10lator@myway.de> 2012-08-31 12:38:25 UTC ---
Created attachment 66404
  --> https://bugs.freedesktop.org/attachment.cgi?id=66404
R600_DUMP_SHADERS=1 java  -jar minecraft.jar > Desktop/minecraft-shader.txt
2>&1

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[Bug 54230] r600-llvm-compiler completely broken at CAYMAN

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https://bugs.freedesktop.org/show_bug.cgi?id=54230

--- Comment #8 from Vadim Girlin <ptpzz@yandex.ru> 2012-08-31 16:22:43 UTC ---
(In reply to comment #5)
> The llvm backend hasn't been tested much on Cayman, so probably some of the
> Cayman specific features aren't working correctly. Could you set the
> environment variable R600_DUMP_SHADERS=1 and then post the debug output from
> compiz and minecraft?

It seems alu instruction 0x86 RECIP_IEEE is emitted in a single slot, though
IIRC it should be at least on three slots x-z.

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[Bug 54230] r600-llvm-compiler completely broken at CAYMAN

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https://bugs.freedesktop.org/show_bug.cgi?id=54230

GitLab Migration User <gitlab-migration@fdo.invalid> changed:

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

--- Comment #9 from GitLab Migration User <gitlab-migration@fdo.invalid> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/417.

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