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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">So, I’ll withdraw the patch and trust that this being in the archives is sufficient for future reference? I’m OK with that.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">-Andy
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Chad Rosier [mailto:mcrosier@apple.com]
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<b>Sent:</b> Thursday, August 09, 2012 7:42 PM<br>
<b>To:</b> Kaylor, Andrew<br>
<b>Cc:</b> Evan Cheng; Commit Messages and Patches for LLVM<br>
<b>Subject:</b> Re: [llvm-commits] [PATCH] Review request: Test case for indirect argument with X86FastISel<o:p></o:p></span></p>
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<p class="MsoNormal">On Aug 9, 2012, at 4:38 PM, Evan Cheng wrote:<o:p></o:p></p>
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<p class="MsoNormal">On Aug 9, 2012, at 8:28 AM, "Kaylor, Andrew" <<a href="mailto:andrew.kaylor@intel.com">andrew.kaylor@intel.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Evan,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I’m not entirely clear as to the conditions that lead to the generation of the indirect argument. I’ve tried reducing this test case further, and when I did
the behavior disappeared.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I submitted a patch last month to fix a failure related to the indirect argument with X86FastISel (which Chad Rosier subsequently revised and committed). At
that time, Chad asked for a test case to reproduce the condition (which apparently isn’t very common). That’s the motivation behind this test case. </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I don’t have any particular attachment to having this in the regular test suite, but it seems like having a test case available somewhere will be handy if anyone
wants to handle the indirect argument on the X86FastISel rather than punting to the DAG selector, which is what currently happens.</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I agree that we should have a test case for fast-isel handling of indirect argument if it's ever added. But as it is, I don't see value in adding this large test case.<o:p></o:p></p>
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<p class="MsoNormal">I agree with Evan's point. Regardless, thanks for your assistance Andy.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Evan<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">-Andy</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span class="apple-converted-space"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> </span></span><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Evan
Cheng [mailto:evan.cheng@<a href="http://apple.com/"><span style="color:purple">apple.com</span></a>]<span class="apple-converted-space"> </span><br>
<b>Sent:</b><span class="apple-converted-space"> </span>Wednesday, August 08, 2012 8:17 PM<br>
<b>To:</b><span class="apple-converted-space"> </span>Kaylor, Andrew<br>
<b>Cc:</b><span class="apple-converted-space"> </span><a href="mailto:llvm-commits@cs.uiuc.edu"><span style="color:purple">llvm-commits@cs.uiuc.edu</span></a><br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: [llvm-commits] [PATCH] Review request: Test case for indirect argument with X86FastISel</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">The test case is still too big. Are you sure it's not possible to reduce it with bugpoint? If you can't reduce it, I don't see a lot of value for including it.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Evan<o:p></o:p></p>
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<p class="MsoNormal">On Aug 7, 2012, at 11:31 AM, "Kaylor, Andrew" <<a href="mailto:andrew.kaylor@intel.com"><span style="color:purple">andrew.kaylor@intel.com</span></a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The patch I sent earlier had a glitch in it. This one is correct.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">-Andy</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span class="apple-converted-space"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> </span></span><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""><a href="mailto:llvm-commits-bounces@cs.uiuc.edu"><span style="color:purple">llvm-commits-bounces@cs.uiuc.edu</span></a><span class="apple-converted-space"> </span>[mailto:llvm-<a href="mailto:commits-bounces@cs.uiuc.edu"><span style="color:purple">commits-bounces@cs.uiuc.edu</span></a>]<span class="apple-converted-space"> </span><b>On
Behalf Of<span class="apple-converted-space"> </span></b>Kaylor, Andrew<br>
<b>Sent:</b><span class="apple-converted-space"> </span>Tuesday, August 07, 2012 2:05 PM<br>
<b>To:</b><span class="apple-converted-space"> </span>Evan Cheng<br>
<b>Cc:</b><span class="apple-converted-space"> </span><a href="mailto:llvm-commits@cs.uiuc.edu"><span style="color:purple">llvm-commits@cs.uiuc.edu</span></a><br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: [llvm-commits] [PATCH] Review request: Test case for indirect argument with X86FastISel</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Evan,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I don’t have any particular output that I want to test for. From my perspective, if the test doesn’t crash then it passed.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The motivation for the test is that in an earlier incarnation of the X86FastISel code, indirect function arguments caused an llvm_unreachable exception. This
test exercises the code path that led there.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I have attached a new patch that I think addresses your other comments.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Andy</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span class="apple-converted-space"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> </span></span><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Evan
Cheng [<a href="mailto:evan.cheng@apple.com"><span style="color:purple">mailto:evan.cheng@apple.com</span></a>]<span class="apple-converted-space"> </span><br>
<b>Sent:</b><span class="apple-converted-space"> </span>Monday, August 06, 2012 1:06 PM<br>
<b>To:</b><span class="apple-converted-space"> </span>Kaylor, Andrew<br>
<b>Cc:</b><span class="apple-converted-space"> </span><a href="mailto:llvm-commits@cs.uiuc.edu"><span style="color:purple">llvm-commits@cs.uiuc.edu</span></a><br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: [llvm-commits] [PATCH] Review request: Test case for indirect argument with X86FastISel</span><o:p></o:p></p>
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<p class="MsoNormal">The RUN line doesn't specify target arch or triple. That's going to break some buildbots. Also, please significantly reduce the test to include only the functionality it is intended to test. Right now it includes main() and other parts
that are not needed. You also don't have patterns that tell us what it is you are testing.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Evan<o:p></o:p></p>
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<p class="MsoNormal">On Aug 3, 2012, at 10:20 AM, "Kaylor, Andrew" <<a href="mailto:andrew.kaylor@intel.com"><span style="color:purple">andrew.kaylor@intel.com</span></a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Ping.</span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span class="apple-converted-space"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> </span></span><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""><a href="mailto:llvm-commits-bounces@cs.uiuc.edu"><span style="color:purple">llvm-commits-bounces@cs.uiuc.edu</span></a><span class="apple-converted-space"> </span>[mailto:llvm-<a href="mailto:commits-bounces@cs.uiuc.edu"><span style="color:purple">commits-bounces@cs.uiuc.edu</span></a>]<span class="apple-converted-space"> </span><b>On
Behalf Of<span class="apple-converted-space"> </span></b>Kaylor, Andrew<br>
<b>Sent:</b><span class="apple-converted-space"> </span>Friday, July 27, 2012 1:12 PM<br>
<b>To:</b><span class="apple-converted-space"> </span><a href="mailto:llvm-commits@cs.uiuc.edu"><span style="color:purple">llvm-commits@cs.uiuc.edu</span></a><br>
<b>Subject:</b><span class="apple-converted-space"> </span>[llvm-commits] [PATCH] Test case for indirect argument with X86FastISel</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Hi everyone,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">The attached patch adds an X86 CodeGen test for the case where an indirect argument is used while FastISel was enabled. This is the test case for a patch I previously posted
here:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><a href="http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20120709/146224.html"><span style="color:purple">http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20120709/146224.html</span></a></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">which was committed in r16055.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">I’ve only seen the indirect argument being generated on Windows, but the test will pass on other platforms without the indirect argument being generated.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">-Andy</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:13.5pt;font-family:"Helvetica","sans-serif"">_______________________________________________<br>
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