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--></style></head><body lang=EN-US link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span style='font-size:12.0pt'>I just tried Clang-13 (with LLVM-13), and the problem is still there. Vectorizer still broken wrt. SSE-4.1 instruction extensions:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=p1><span class=s1>$ echo $CXXFLAGS</span><o:p></o:p></p><p class=p1><span class=s1>-std=gnu++17 -O3 -march=native -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk</span><o:p></o:p></p><p class=p1><span class=s1>$ clang++-mp-13 $CXXFLAGS -o t sha3-reproducer.cxx</span><span class=apple-converted-space> </span><o:p></o:p></p><p class=p1><span class=s1>$ ./t</span><o:p></o:p></p><p class=p1><span class=s1>Assertion failed: (T[0] == 16394434931424703552u), function main, file sha3-reproducer.cxx, line 103.</span><o:p></o:p></p><p class=p1><span class=s1>Abort trap: 6</span><o:p></o:p></p><p class=p1><span class=s1>$ clang++-mp-13 $CXXFLAGS -mno-sse4.1 -o t sha3-reproducer.cxx</span><span class=apple-converted-space> </span><o:p></o:p></p><p class=p1><span class=s1>$ ./t</span><o:p></o:p></p><p class=p1><span class=s1>$</span><span class=apple-converted-space> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><div><div><p class=MsoNormal><span style='color:black'>--<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'>Uri<o:p></o:p></span></p><p class=MsoNormal style='margin-left:.5in'><i><o:p> </o:p></i></p><p class=MsoNormal><i><span style='color:black'>There are two ways to design a system. One is to make is so simple there are obviously no deficiencies.</span></i><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p><p class=MsoNormal><i><span style='color:black'>The other is to make it so complex there are no obvious deficiencies.</span></i><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p><p class=MsoNormal><i><span style='color:black'> - C. A. R. Hoare</span></i><span style='font-size:12.0pt;color:black'><o:p></o:p></span></p></div></div><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='margin-left:.5in'><b><span style='font-size:12.0pt;color:black'>From: </span></b><span style='font-size:12.0pt;color:black'>Jameson Nash <vtjnash@gmail.com><br><b>Date: </b>Wednesday, September 29, 2021 at 19:41<br><b>To: </b>Craig Topper <craig.topper@gmail.com><br><b>Cc: </b>Uri Blumenthal <uri@ll.mit.edu>, LLVM-DEV LIST <llvm-dev@lists.llvm.org><br><b>Subject: </b>Re: [llvm-dev] Problem with clang optimizer?<o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'>This may be fixed now (<a href="https://reviews.llvm.org/D106613">https://reviews.llvm.org/D106613</a>), but it remains to be confirmed for <a href="https://bugs.llvm.org/show_bug.cgi?id=51957">https://bugs.llvm.org/show_bug.cgi?id=51957</a><o:p></o:p></p></div><p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p><div><div><p class=MsoNormal style='margin-left:.5in'>On Sun, Sep 26, 2021 at 1:12 AM Craig Topper via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org">llvm-dev@lists.llvm.org</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><p class=MsoNormal style='margin-left:.5in'>Looking at the IR here <a href="https://godbolt.org/z/zaMW1renW" target="_blank">https://godbolt.org/z/zaMW1renW</a> I believe the issue is on this instruction on line 361<o:p></o:p></p><div><p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p></div><div><div><div><p class=MsoNormal style='margin-left:.5in;line-height:15.75pt;background:#FFFFFE'><span style='font-size:10.5pt;font-family:Consolas;color:#CD3131'>%30</span><span style='font-size:10.5pt;font-family:Consolas;color:black'> </span><span style='font-size:10.5pt;font-family:Consolas;color:#CD3131'>=</span><span style='font-size:10.5pt;font-family:Consolas;color:black'> </span><span style='font-size:10.5pt;font-family:Consolas;color:blue'>extractelement</span><span style='font-size:10.5pt;font-family:Consolas;color:black'> <</span><span style='font-size:10.5pt;font-family:Consolas;color:#098658'>2</span><span style='font-size:10.5pt;font-family:Consolas;color:black'> </span><span style='font-size:10.5pt;font-family:Consolas;color:teal'>x</span><span style='font-size:10.5pt;font-family:Consolas;color:black'> <</span><span style='font-size:10.5pt;font-family:Consolas;color:#098658'>2</span><span style='font-size:10.5pt;font-family:Consolas;color:black'> </span><span style='font-size:10.5pt;font-family:Consolas;color:teal'>x</span><span style='font-size:10.5pt;font-family:Consolas;color:black'> </span><span style='font-size:10.5pt;font-family:Consolas;color:teal'>i64</span><span style='font-size:10.5pt;font-family:Consolas;color:black'>>*> </span><span style='font-size:10.5pt;font-family:Consolas;color:teal'>%bc438</span><span style='font-size:10.5pt;font-family:Consolas;color:black'>, </span><span style='font-size:10.5pt;font-family:Consolas;color:teal'>i32</span><span style='font-size:10.5pt;font-family:Consolas;color:black'> </span><span style='font-size:10.5pt;font-family:Consolas;color:#098658'>0</span><span style='font-size:10.5pt;font-family:Consolas;color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-left:.5in;line-height:15.75pt;background:#FFFFFE'><span style='font-size:10.5pt;font-family:Consolas;color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal style='margin-left:.5in;line-height:15.75pt;background:#FFFFFE'><span style='font-size:10.5pt;font-family:Consolas;color:black'>It should be extracting from index 1 instead of index 0.<o:p></o:p></span></p></div></div></div><div><p class=MsoNormal style='margin-left:.5in'><br clear=all><o:p></o:p></p><div><div><p class=MsoNormal style='margin-left:.5in'>~Craig<o:p></o:p></p></div></div><p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p></div></div><p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p><div><div><p class=MsoNormal style='margin-left:.5in'>On Sat, Sep 25, 2021 at 5:48 PM Blumenthal, Uri - 0553 - MITLL <<a href="mailto:uri@ll.mit.edu" target="_blank">uri@ll.mit.edu</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in'><span style='font-size:12.0pt'>I found that </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:10.0pt;font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span dir=LTR></span><b><span style='font-size:12.0pt'>The problem disappears with </span></b><b><span style='font-size:12.0pt;font-family:Courier;color:#002060'>-mno-sse4.1</span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:10.0pt;font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span dir=LTR></span><span style='font-size:12.0pt'>The problem manifests with both Apple Clang from Xcode-13, and LLVM Clang-12 (and not with Xcode-12 or LLVM Clang-11)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:10.0pt;font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span dir=LTR></span><span style='font-size:12.0pt'>I could experiment only on Apple platform, as that’s the only one I have that runs LLVM Clang-12.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in'><span style='font-size:12.0pt'> </span><o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in'><span style='color:black'>--</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in'><span style='color:black'>Regards,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in'><span style='color:black'>Uri</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><i> </i><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in'><i><span style='color:black'>There are two ways to design a system. One is to make is so simple there are obviously no deficiencies.</span></i><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in'><i><span style='color:black'>The other is to make it so complex there are no obvious deficiencies.</span></i><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in'><i><span style='color:black'> - C. A. R. Hoare</span></i><o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in'><span style='font-size:12.0pt'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in'><span style='font-size:12.0pt'> </span><o:p></o:p></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><b><span style='font-size:12.0pt;color:black'>From: </span></b><span style='font-size:12.0pt;color:black'>Craig Topper <<a href="mailto:craig.topper@gmail.com" target="_blank">craig.topper@gmail.com</a>><br><b>Date: </b>Saturday, September 25, 2021 at 12:07<br><b>To: </b>Dimitry Andric <<a href="mailto:dimitry@andric.com" target="_blank">dimitry@andric.com</a>><br><b>Cc: </b>Uri Blumenthal <<a href="mailto:uri@ll.mit.edu" target="_blank">uri@ll.mit.edu</a>>, LLVM-DEV LIST <<a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a>><br><b>Subject: </b>Re: [llvm-dev] Problem with clang optimizer?</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'>It reproduced for me with -march=nehalem which does not have AVX.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'> <o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'>On Sat, Sep 25, 2021 at 2:51 AM Dimitry Andric via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'>It is only occurring (as far as I can see now) on x86_64, with -mavx enabled. Or with a target CPU that supports AVX. And it is not Apple clang specific.<o:p></o:p></p></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'> <o:p></o:p></p></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'>-Dimitry<o:p></o:p></p></div><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt;margin-left:1.0in'><o:p> </o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'>On 24 Sep 2021, at 15:30, Blumenthal, Uri - 0553 - MITLL via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a>> wrote:<o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'> <o:p></o:p></p><div><div><div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'>I tried to reproduce it on goldbolt with clang 12.0.0 and 12.0.1 but things seem fine when I run it there: <a href="https://godbolt.org/z/vrq8j6Kj7" target="_blank">https://godbolt.org/z/vrq8j6Kj7</a>.<br>Can you share your exact clang invocation? Does it only reproduce in some specific environment?<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;color:#0070C0'>Save the source I posted before into “sha3-reproducer.cxx” file. Let me know if you want it re-posted here.</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;color:#0070C0'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;background:black'><span style='font-size:10.5pt;font-family:"Andale Mono";color:#2FFF12'>$ clang++-mp-12 -v</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;background:black'><span style='font-size:10.5pt;font-family:"Andale Mono";color:#2FFF12'>clang version 12.0.1</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;background:black'><span style='font-size:10.5pt;font-family:"Andale Mono";color:#2FFF12'>Target: x86_64-apple-darwin20.6.0</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;background:black'><span style='font-size:10.5pt;font-family:"Andale Mono";color:#2FFF12'>Thread model: posix</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;background:black'><span style='font-size:10.5pt;font-family:"Andale Mono";color:#2FFF12'>InstalledDir: /opt/local/libexec/llvm-12/bin</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;background:black'><span style='font-size:10.5pt;font-family:"Andale Mono";color:#2FFF12'>$ clang++-mp-12 -o s -O3 sha3-reproducer.cxx</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;background:black'><span style='font-size:10.5pt;font-family:"Andale Mono";color:#2FFF12'>$ ./s</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;background:black'><span style='font-size:10.5pt;font-family:"Andale Mono";color:#2FFF12'>Assertion failed: (T[0] == 16394434931424703552u), function main, file sha3-reproducer.cxx, line 103.</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;background:black'><span style='font-size:10.5pt;font-family:"Andale Mono";color:#2FFF12'>Abort trap: 6</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;background:black'><span style='font-size:10.5pt;font-family:"Andale Mono";color:#2FFF12'>$ clang++-mp-12 -o s -O2 sha3-reproducer.cxx</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;background:black'><span style='font-size:10.5pt;font-family:"Andale Mono";color:#2FFF12'>$ ./s</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;background:black'><span style='font-size:10.5pt;font-family:"Andale Mono";color:#2FFF12'>Assertion failed: (T[0] == 16394434931424703552u), function main, file sha3-reproducer.cxx, line 103.</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;background:black'><span style='font-size:10.5pt;font-family:"Andale Mono";color:#2FFF12'>Abort trap: 6</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;background:black'><span style='font-size:10.5pt;font-family:"Andale Mono";color:#2FFF12'>$ clang++-mp-12 -o s -O1 sha3-reproducer.cxx</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;background:black'><span style='font-size:10.5pt;font-family:"Andale Mono";color:#2FFF12'>$ ./s</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in;background:black'><span style='font-size:10.5pt;font-family:"Andale Mono";color:#2FFF12'>$ </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;color:#0070C0'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;color:#0070C0'>Clang-12 is installed via Macports, which is why we invoke the executable as clang++-mp-12.</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;color:#0070C0'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;color:#0070C0'>The same problem manifests in exactly the same way in the Xcode-13 version of Clang (presumably based on LLVM Clang-12). </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;color:#0070C0'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;color:#0070C0'>I’ll be happy to provide more of specific details, if you let me know what you need.</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><br><br>Also, it generally helps to reduce code bug reports as much as possible; creduce can help with that: <a href="https://embed.cs.utah.edu/creduce/using/" target="_blank">https://embed.cs.utah.edu/creduce/using/</a>.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;color:#0070C0'>Understood. Unfortunately, the above reproducer is the best we could come up with. An alternative is trying to build the Botan package itself <a href="https://github.com/randombit/botan.git" target="_blank">https://github.com/randombit/botan.git</a>.</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt;margin-left:1.0in'><o:p> </o:p></p></div></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'> <o:p></o:p></p></div><div><div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'>On Thu, Sep 23, 2021 at 10:14 PM Blumenthal, Uri - 0553 - MITLL via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a>> wrote:<o:p></o:p></p></div></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'><div><div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt'>I’m not sure if this is the correct list, so please direct me to the right one if this bug report shouldn’t go here.</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt'>The problem is: invoking clang (v12) with -O2 or better optimization flags generates wrong object code for the following C++. Compiling it with -O1 generates working binary.</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt'>=================</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'>#include <cstdint></span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'>#include <cassert></span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'>template<size_t ROT, typename T></span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'>inline constexpr T rotl(T input)</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> {</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> static_assert(ROT > 0 && ROT < 8*sizeof(T), "Invalid rotation constant");</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> return static_cast<T>((input << ROT) | (input >> (8*sizeof(T) - ROT)));</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> }</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'>inline void SHA3_round(uint64_t T[25], const uint64_t A[25], uint64_t RC)</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> {</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t C0 = A[0] ^ A[5] ^ A[10] ^ A[15] ^ A[20];</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t C1 = A[1] ^ A[6] ^ A[11] ^ A[16] ^ A[21];</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> // the calculation of C2 fails for -O3 or -O2 with clang 12</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> // FWIW: it would produce a value that doesn't fit into a _signed_ 64-bit int</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t C2 = A[2] ^ A[7] ^ A[12] ^ A[17] ^ A[22];</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t C3 = A[3] ^ A[8] ^ A[13] ^ A[18] ^ A[23];</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t C4 = A[4] ^ A[9] ^ A[14] ^ A[19] ^ A[24];</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t D0 = rotl<1>(C0) ^ C3;</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t D1 = rotl<1>(C1) ^ C4;</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t D2 = rotl<1>(C2) ^ C0;</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t D3 = rotl<1>(C3) ^ C1;</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t D4 = rotl<1>(C4) ^ C2;</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B00 = A[ 0] ^ D1;</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B01 = rotl<44>(A[ 6] ^ D2);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B02 = rotl<43>(A[12] ^ D3);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B03 = rotl<21>(A[18] ^ D4);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B04 = rotl<14>(A[24] ^ D0);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[ 0] = B00 ^ (~B01 & B02) ^ RC;</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[ 1] = B01 ^ (~B02 & B03);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[ 2] = B02 ^ (~B03 & B04);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[ 3] = B03 ^ (~B04 & B00);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[ 4] = B04 ^ (~B00 & B01);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B05 = rotl<28>(A[ 3] ^ D4);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B06 = rotl<20>(A[ 9] ^ D0);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B07 = rotl< 3>(A[10] ^ D1);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B08 = rotl<45>(A[16] ^ D2);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B09 = rotl<61>(A[22] ^ D3);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[ 5] = B05 ^ (~B06 & B07);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[ 6] = B06 ^ (~B07 & B08);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[ 7] = B07 ^ (~B08 & B09);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[ 8] = B08 ^ (~B09 & B05);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[ 9] = B09 ^ (~B05 & B06);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> // --- instructions starting from here can be removed</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> // and the -O3 dicrepancy is still triggered</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B10 = rotl< 1>(A[ 1] ^ D2);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B11 = rotl< 6>(A[ 7] ^ D3);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B12 = rotl<25>(A[13] ^ D4);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B13 = rotl< 8>(A[19] ^ D0);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B14 = rotl<18>(A[20] ^ D1);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[10] = B10 ^ (~B11 & B12);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[11] = B11 ^ (~B12 & B13);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[12] = B12 ^ (~B13 & B14);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[13] = B13 ^ (~B14 & B10);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[14] = B14 ^ (~B10 & B11);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B15 = rotl<27>(A[ 4] ^ D0);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B16 = rotl<36>(A[ 5] ^ D1);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B17 = rotl<10>(A[11] ^ D2);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B18 = rotl<15>(A[17] ^ D3);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B19 = rotl<56>(A[23] ^ D4);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[15] = B15 ^ (~B16 & B17);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[16] = B16 ^ (~B17 & B18);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[17] = B17 ^ (~B18 & B19);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[18] = B18 ^ (~B19 & B15);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[19] = B19 ^ (~B15 & B16);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B20 = rotl<62>(A[ 2] ^ D3);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B21 = rotl<55>(A[ 8] ^ D4);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B22 = rotl<39>(A[14] ^ D0);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B23 = rotl<41>(A[15] ^ D1);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> const uint64_t B24 = rotl< 2>(A[21] ^ D2);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[20] = B20 ^ (~B21 & B22);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[21] = B21 ^ (~B22 & B23);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[22] = B22 ^ (~B23 & B24);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[23] = B23 ^ (~B24 & B20);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> T[24] = B24 ^ (~B20 & B21);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> }</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'>int main()</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'>{</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> uint64_t T[25];</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> uint64_t A[25] = {</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> 15515230172486u, 9751542238472685244u, 220181482233372672u,</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> 2303197730119u, 9537012007446913720u, 0u, 14782389640143539577u,</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> 2305843009213693952u, 1056340403235818873u, 16396894922196123648u,</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> 13438274300558u, 3440198220943040u, 0u, 3435902021559310u, 64u,</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> 14313837075027532897u, 32768u, 6880396441885696u, 14320469711924527201u,</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> 0u, 9814829303127743595u, 18014398509481984u, 14444556046857390455u,</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> 4611686018427387904u, 18041275058083100u };</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> SHA3_round(T, A, 0x0000000000008082);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[0] == 16394434931424703552u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[1] == 10202638136074191489u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[2] == 6432602484395933614u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[3] == 10616058301262943899u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[4] == 14391824303596635982u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[5] == 5673590995284149638u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[6] == 15681872423764765508u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[7] == 11470206704342013341u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[8] == 8508807405493883168u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[9] == 9461805213344568570u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[10] == 8792313850970105187u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[11] == 13508586629627657374u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[12] == 5157283382205130943u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[13] == 375019647457809685u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[14] == 9294608398083155963u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[15] == 16923121173371064314u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[16] == 4737739424553008030u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[17] == 5823987023293412593u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[18] == 13908063749137376267u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[19] == 13781177305593198238u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[20] == 9673833001659673401u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[21] == 17282395057630454440u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[22] == 12906624984756985556u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[23] == 3081478361927354234u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> assert(T[24] == 93297594635310132u);</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'> return 0;</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt;font-family:Courier'>}</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt'>=================</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:12.0pt'>Your help debugging and fixing this problem is appreciated!</span><o:p></o:p></p></div><div><div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'>--<o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:10.0pt;font-family:"Andale Mono"'>Regards,</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:10.0pt;font-family:"Andale Mono"'>Uri Blumenthal Voice: (781) 981-1638 </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:10.0pt;font-family:"Andale Mono"'>Secure Resilient Systems and Technologies Cell: (339) 223-5363</span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:10.0pt;font-family:"Andale Mono"'>MIT Lincoln Laboratory </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:10.0pt;font-family:"Andale Mono"'>244 <a href="https://www.google.com/maps/search/Wood+Street,+Lexington,+MA+02420-9108?entry=gmail&source=g" target="_blank">Wood Street, Lexington, MA</a> <a href="https://www.google.com/maps/search/Wood+Street,+Lexington,+MA+02420-9108?entry=gmail&source=g" target="_blank">02420-9108</a> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:10.0pt;font-family:"Andale Mono"'> </span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:10.0pt;font-family:"Andale Mono"'>Web: <a href="https://www.ll.mit.edu/biographies/uri-blumenthal" target="_blank" title="https://www.ll.mit.edu/biographies/uri-blumenthal"><span style='color:#713C56'>https://www.ll.mit.edu/biographies/uri-blumenthal</span></a></span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:10.0pt;font-family:"Andale Mono"'>Root CA: <a href="https://www.ll.mit.edu/llrca2.pem" target="_blank" title="https://www.ll.mit.edu/llrca2.pem"><span style='color:#713C56'>https://www.ll.mit.edu/llrca2.pem</span></a></span><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'> <o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><i>There are two ways to design a system. One is to make is so simple there are obviously no deficiencies.</i><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><i>The other is to make it so complex there are no obvious deficiencies.</i><o:p></o:p></p></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><i> - C. A. R. Hoare</i><o:p></o:p></p></div></div></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'> <o:p></o:p></p></div></div></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'>_______________________________________________<br>LLVM Developers mailing list<br><a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a><br><a href="https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev" target="_blank">https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev</a><o:p></o:p></p></div></blockquote></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><br clear=all><o:p></o:p></p></div><div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'> <o:p></o:p></p></div></div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'>-- <o:p></o:p></p></div><div><div><div style='margin-left:.5in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'>Jakub Kuderski<o:p></o:p></p></div></div></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'><span style='font-size:9.0pt;font-family:HelveticaNeue'>_______________________________________________<br>LLVM Developers mailing list<br></span><a href="mailto:llvm-dev@lists.llvm.org" target="_blank"><span style='font-size:9.0pt;font-family:HelveticaNeue'>llvm-dev@lists.llvm.org</span></a><span style='font-size:9.0pt;font-family:HelveticaNeue'><br></span><a href="https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev" target="_blank"><span style='font-size:9.0pt;font-family:HelveticaNeue'>https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev</span></a><o:p></o:p></p></div></blockquote></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'> <o:p></o:p></p></div></div></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'>_______________________________________________<br>LLVM Developers mailing list<br><a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a><br><a href="https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev" target="_blank">https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev</a><o:p></o:p></p></blockquote></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'>-- <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in'>~Craig<o:p></o:p></p></div></div></div></blockquote></div><p class=MsoNormal style='margin-left:.5in'>_______________________________________________<br>LLVM Developers mailing list<br><a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a><br><a href="https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev" target="_blank">https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev</a><o:p></o:p></p></blockquote></div></div></body></html>