From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [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. Date: Mon, 11 Feb 2019 14:47:24 +0000 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0523048787==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 897FD6E269 for ; Mon, 11 Feb 2019 14:47:24 +0000 (UTC) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============0523048787== Content-Type: multipart/alternative; boundary="15498964440.50bE8.31773" Content-Transfer-Encoding: 7bit --15498964440.50bE8.31773 Date: Mon, 11 Feb 2019 14:47:24 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D109608 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/ltl3= WS and https://www.shadertoy.com/view/MdVcRd Here is the LLVM bug report: https://bugs.llvm.org/show_bug.cgi?id=3D40690 --=20 You are receiving this mail because: You are the assignee for the bug.= --15498964440.50bE8.31773 Date: Mon, 11 Feb 2019 14:47:24 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated
Bug ID
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 optimi=
zation 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=3D40690

You are receiving this mail because:
  • You are the assignee for the bug.
= --15498964440.50bE8.31773-- --===============0523048787== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVs IG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg== --===============0523048787==--