> On Jul 21, 2016, at 01:03, Michel Dänzer <mic...@daenzer.net> wrote: > > On 21.07.2016 00:04, Michel Dänzer wrote: >> On 15.07.2016 05:15, Marek =?UNKNOWN?B?T2zFocOhaw==?= wrote: >>> Module: Mesa >>> Branch: master >>> Commit: f84e9d749fbb6da73a60fb70e6725db773c9b8f8 >>> URL: >>> http://cgit.freedesktop.org/mesa/mesa/commit/?id=f84e9d749fbb6da73a60fb70e6725db773c9b8f8 >>> >>> Author: Marek Olšák <marek.ol...@amd.com> >>> Date: Thu Jul 14 22:07:46 2016 +0200 >>> >>> Revert "radeon/llvm: Use alloca instructions for larger arrays" >>> >>> This reverts commit 513fccdfb68e6a71180e21827f071617c93fd09b. >>> >>> Bioshock Infinite hangs with that. >> >> Unfortunately, this change caused the piglit test >> shaders@glsl-fs-vec4-indexing-temp-dst-in-loop (and possibly others) to >> hang my Kaveri. Any ideas for how we can get out of this conundrum? > > The hang was introduced by LLVM SVN r275934 ("AMDGPU: Expand register > indexing pseudos in custom inserter"). The good/bad (without/with > r275934) shader dumps and the GALLIUM_DDEBUG=800 dump corresponding to > the hang are attached. > > > BTW, even with Marek's change above reverted, I still see some piglit > regressions compared to last week, but I'm not sure if those are all > related to the same LLVM change. > > > -- > Earthling Michel Dänzer | http://www.amd.com > <http://www.amd.com/> > Libre software enthusiast | Mesa and X developer > <glsl-fs-vec4-indexing-temp-dst-in-loop.bad><glsl-fs-vec4-indexing-temp-dst-in-loop.good><shader_runner_3339_00000000.txt>
This fixes the verifier error in it: https://reviews.llvm.org/D22616 <https://reviews.llvm.org/D22616> This fixes another issue which may be related: https://reviews.llvm.org/D22556 <https://reviews.llvm.org/D22556>
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