<html>
<head>
<base href="https://bugs.llvm.org/">
</head>
<body><span class="vcard"><a class="email" href="mailto:spatel+llvm@rotateright.com" title="Sanjay Patel <spatel+llvm@rotateright.com>"> <span class="fn">Sanjay Patel</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - optimizer segfault on IR input"
href="https://bugs.llvm.org/show_bug.cgi?id=46721">bug 46721</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">See Also</td>
<td>
</td>
<td>https://bugs.llvm.org/show_bug.cgi?id=50228
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>INVALID
</td>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - optimizer segfault on IR input"
href="https://bugs.llvm.org/show_bug.cgi?id=46721#c9">Comment # 9</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - optimizer segfault on IR input"
href="https://bugs.llvm.org/show_bug.cgi?id=46721">bug 46721</a>
from <span class="vcard"><a class="email" href="mailto:spatel+llvm@rotateright.com" title="Sanjay Patel <spatel+llvm@rotateright.com>"> <span class="fn">Sanjay Patel</span></a>
</span></b>
<pre>(In reply to Roman Lebedev from <a href="show_bug.cgi?id=46721#c8">comment #8</a>)
<span class="quote">> (In reply to Sanjay Patel from <a href="show_bug.cgi?id=46721#c7">comment #7</a>)
> > (In reply to Felix A. Croes from <a href="show_bug.cgi?id=46721#c6">comment #6</a>)
> > > In any case, this clarifies for me that the input which triggers the crash
> > > is indeed malformed.
> >
> > Should we close this bug report or is there something to do (within LLVM)?
> I think so.
>
> > The LangRef and/or the verifier assert statement could be made clearer about
> > the phi requirement that each predecessor edge requires an incoming value.
>
> I think this implementation detail is *really* unfortunate,
> and i would welcome it going away, if that wouldn't penalize other code.</span >
I don't know if there are any subtleties there, but filed as <a class="bz_bug_link
bz_status_NEW "
title="NEW - remove the phi requirement that each predecessor edge has an incoming value"
href="show_bug.cgi?id=50228">bug 50228</a> for
further discussion.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>