Date: Sat, 25 May 2013 19:10:01 GMT From: Dimitry Andric <dim@FreeBSD.org> To: freebsd-x11@FreeBSD.org Subject: Re: ports/178977: x11-drivers/xf86-video-intel: Assertion failed: (TheLoop-> getLoopPreheader() Message-ID: <201305251910.r4PJA1nL032701@freefall.freebsd.org>
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The following reply was made to PR ports/178977; it has been noted by GNATS. From: Dimitry Andric <dim@FreeBSD.org> To: "O. Hartmann" <ohartman@zedat.fu-berlin.de> Cc: bug-followup@FreeBSD.org Subject: Re: ports/178977: x11-drivers/xf86-video-intel: Assertion failed: (TheLoop->getLoopPreheader() Date: Sat, 25 May 2013 21:00:58 +0200 On May 25, 2013, at 20:44, "O. Hartmann" <ohartman@zedat.fu-berlin.de> = wrote: > On Sat, 2013-05-25 at 20:17 +0200, Dimitry Andric wrote: >> This looks like <http://llvm.org/bugs/show_bug.cgi?id=3D16139>, a bug = in >> the vectorizer (which is enabled by default at -O3). ... >> = <http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Vectorize/L= oopVectorize.cpp?view=3Dpatch&r1=3D182656&r2=3D182655&pathrev=3D182656> >>=20 >> and rebuild clang: >>=20 >> cd /usr/src/lib/clang/libllvmvectorize && make >> cd /usr/src/usr.bin/clang/clang && make && sudo make install >=20 > With the patch applied, x11-drivers/xf86-video-intel builds, but I can > not say whether it works, since I have no X11 on an Intel iGPU. >=20 > Thanks, the issue should be closed due to my -O3 compiling. Or marked > fixed with the provided patch? I will import the fix for clang from upstream. I also think it will go into the 3.3 branch, but better to fix the issue now, before too many people encounter it...
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