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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 84232] PHINode containing itself causes segfault in LLVM when compiling Blender OpenCL kernel with R600 backend
Date: Wed, 22 Oct 2014 23:16:13 +0000	[thread overview]
Message-ID: <bug-84232-502-q2HsXJ0SPH@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-84232-502@http.bugs.freedesktop.org/>


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https://bugs.freedesktop.org/show_bug.cgi?id=84232

--- Comment #12 from Vitaliy Filippov <vitalif@yourcmc.ru> ---
Hm... Checked the test from comment 6, the result is the same - there are two
PHINode loops and one branch on constant.

Also checked the code, it looks like crash from comment 6 is also triggered by
a branch-on-constant, the difference is that it crashes when a ConstantInt is
dyn_cast<>'ed to incorrect class - Instruction (ConstantInt isn't an
Instruction!!) in handleLoopCondition() and getTerminator() is called on it.

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  parent reply	other threads:[~2014-10-22 23:16 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-23  9:19 [Bug 84232] New: PHINode containing itself causes segfault in LLVM when compiling Blender OpenCL kernel with R600 backend bugzilla-daemon
2014-09-23  9:19 ` [Bug 84232] " bugzilla-daemon
2014-09-23 13:19 ` bugzilla-daemon
2014-10-07 21:23 ` bugzilla-daemon
2014-10-07 21:45 ` bugzilla-daemon
2014-10-07 22:23 ` bugzilla-daemon
2014-10-08 20:56 ` bugzilla-daemon
2014-10-09  8:22 ` bugzilla-daemon
2014-10-10 15:48 ` bugzilla-daemon
2014-10-10 20:31 ` bugzilla-daemon
2014-10-10 21:36 ` bugzilla-daemon
2014-10-22 23:07 ` bugzilla-daemon
2014-10-22 23:08 ` bugzilla-daemon
2014-10-22 23:16 ` bugzilla-daemon [this message]
2014-10-23  9:12 ` bugzilla-daemon
2014-12-05 15:44 ` bugzilla-daemon
2014-12-08 16:57 ` bugzilla-daemon
2014-12-08 21:11 ` bugzilla-daemon
2017-03-22 16:00 ` bugzilla-daemon
2017-03-22 16:00 ` bugzilla-daemon
2018-04-03  3:49 ` bugzilla-daemon

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