https://bugs.freedesktop.org/show_bug.cgi?id=90056
Bug ID: 90056
Summary: Unigine Valley regression since radeon/llvm: Run
LLVM's instruction combining pass
Product: Mesa
Version: git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Gallium/radeonsi
Assignee: dri-devel at lists.freedesktop.org
Reporter: adf.lists at gmail.com
QA Contact: dri-devel at lists.freedesktop.org
R9270X
Since
commit c6d79ed289a75f13c65f011be870f7e43a0fedc7
Author: Tom Stellard <thomas.stellard at amd.com>
Date: Fri Apr 10 17:07:16 2015 +0000
radeon/llvm: Run LLVM's instruction combining pass
This should improve code quality in general and will help with some
future changes to how we emit kill instructions.
shader-db shows a few regressions, but these don't seem to be the result
of deficiencies in instcombine. They're mostly caused by the scheduler
making different decisions than before.
Unigine Valley quits saying -
Unhandled loop condition!
UNREACHABLE executed at SIAnnotateControlFlow.cpp:267!
Only tried my normal settings on valley which are
quality ultra + 8x AA
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