* [Bug 109608] Regression from llvm-6: llvm-7 replaces 'undef' with 'NaN', and generates NaN at the assembler level - This issue generates black screen on some fragment shaders.
@ 2019-02-11 14:47 bugzilla-daemon
2019-09-25 18:48 ` bugzilla-daemon
0 siblings, 1 reply; 2+ messages in thread
From: bugzilla-daemon @ 2019-02-11 14:47 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=109608
Bug ID: 109608
Summary: Regression from llvm-6: llvm-7 replaces 'undef' with
'NaN', and generates NaN at the assembler level - This
issue generates black screen on some fragment shaders.
Product: Mesa
Version: git
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Gallium/radeonsi
Assignee: dri-devel@lists.freedesktop.org
Reporter: patrick9876@free.fr
QA Contact: dri-devel@lists.freedesktop.org
The issue is not related to mesa itself but at the LLVM optimization stage:
LLVMRunPassManager(). This bug report is mostly for tracking purposes.
Here are two fragment shaders affected: https://www.shadertoy.com/view/ltl3WS
and https://www.shadertoy.com/view/MdVcRd
Here is the LLVM bug report: https://bugs.llvm.org/show_bug.cgi?id=40690
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* [Bug 109608] Regression from llvm-6: llvm-7 replaces 'undef' with 'NaN', and generates NaN at the assembler level - This issue generates black screen on some fragment shaders.
2019-02-11 14:47 [Bug 109608] Regression from llvm-6: llvm-7 replaces 'undef' with 'NaN', and generates NaN at the assembler level - This issue generates black screen on some fragment shaders bugzilla-daemon
@ 2019-09-25 18:48 ` bugzilla-daemon
0 siblings, 0 replies; 2+ messages in thread
From: bugzilla-daemon @ 2019-09-25 18:48 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=109608
GitLab Migration User <gitlab-migration@fdo.invalid> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |MOVED
--- Comment #1 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/1372.
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2019-02-11 14:47 [Bug 109608] Regression from llvm-6: llvm-7 replaces 'undef' with 'NaN', and generates NaN at the assembler level - This issue generates black screen on some fragment shaders bugzilla-daemon
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