Depending on mesa version artifacts are green or blue. To reproduce set it on at least High and enable any AA...it is actually "motion blur + AA" that triggers it. Bisected to llvm r242173: MachineRegisterInfo: Remove UsedPhysReg infrastructure
Created attachment 117598 [details] blueish screenshot
You know the drill. Please provide the stderr output with R600_DEBUG=vs,gs,ps from a good and bad LLVM commit.
Created attachment 117602 [details] good_vs_bad.diff Yeah, i attached good vs bad diff (v97 is good and v89 bad)
Please generate a unified diff with "diff -u" or even better just attach both versions.
Created attachment 117611 [details] stderrs.7z 7z compressed both
The problematic commit has been reverted in the release_37 LLVM branch. The exact fix for master has yet to be tackled, though Tom seems to have an idea what's wrong there.
Seems fixed by LLVM SVN r245329.
I can confirm, that this bug is gone with a stack including a LLVM build of SVN revision 245329 or later. My current stack (Debian testing as a base): GPU: Hawaii PRO [Radeon R9 290] (ChipID = 0x67b1) Mesa: Git:master/f6c622f584 libdrm: 2.4.63-1 LLVM: SVN:trunk/r245487 (3.8 devel) X.Org: 2:1.17.2-1.1 Linux: 4.1.6 Firmware: <https://secure.freedesktop.org/~agd5f/radeon_ucode/hawaii/> > 286640da3d90d7b51bdb038b65addc47 hawaii_ce.bin > 161105a73f7dfb2fca513327491c32d6 hawaii_mc.bin > d6195059ea724981c9acd3abd6ee5166 hawaii_me.bin > ad511d31a4fe3147c8d80b8f6770b8d5 hawaii_mec.bin > 63eae3f33c77aadbc6ed1a09a2aed81e hawaii_pfp.bin > 5b72c73acf0cbd0cbb639302f65bc7dc hawaii_rlc.bin > f00de91c24b3520197e1ddb85d99c34a hawaii_sdma1.bin > 8e16f749d62b150d0d1f580d71bc4348 hawaii_sdma.bin > 7b6ca5302b56bd35bf52804919d57e63 hawaii_smc.bin > 9f2ba7e720e2af4d7605a9a4fd903513 hawaii_uvd.bin > b0f2a043e72fbf265b2f858b8ddbdb09 hawaii_vce.bin libclc: Git:master/7958b0202b DDX: Git:master/b6d871bf29
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