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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [debugify] instcombine fail"
href="https://bugs.llvm.org/show_bug.cgi?id=38082">38082</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[debugify] instcombine fail
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Windows NT
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>greg.bedwell@sony.com
</td>
</tr>
<tr>
<th>CC</th>
<td>anastasis.gramm2@gmail.com, davide@freebsd.org, llvm-bugs@lists.llvm.org, vsk@apple.com
</td>
</tr>
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<th>Blocks</th>
<td>37953
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=20532" name="attach_20532" title="ll reproducer">attachment 20532</a> <a href="attachment.cgi?id=20532&action=edit" title="ll reproducer">[details]</a></span>
ll reproducer
$ clang -v
clang version 7.0.0 (trunk 336429) (llvm/trunk 336428)
Target: x86_64-scei-ps4
Thread model: posix
InstalledDir: e:\work\upstream-llvm\build-vs2015-ps4-ninja\bin
$ cat Combine_redundant_instructions.FAIL_with_warnings.cpp
void foo(int);
void bar(int baz) { foo(baz & 1LL); }
$ clang --target=x86_64-unknown-unknown
Combine_redundant_instructions.FAIL_with_warnings.cpp -O0 -Xclang
-disable-O0-optnone -S -emit-llvm -o instcombine-input.ll
$ opt -debugify-each -disable-output -instcombine instcombine-input.ll
ERROR: dbg.value operand has size 32, but its variable has size 64: call void
@llvm.dbg.value(metadata i32 %0, metadata !16, metadata !DIExpression()), !dbg
!19
WARNING: Missing line 1
WARNING: Missing line 2
WARNING: Missing line 3
WARNING: Missing line 4
WARNING: Missing line 6
WARNING: Missing variable 1
WARNING: Missing variable 3
WARNING: Missing variable 4
CheckFunctionDebugify [Combine redundant instructions]: FAIL
CheckFunctionDebugify [Module Verifier]: PASS</pre>
</div>
</p>
<div id="referenced">
<hr style="border: 1px dashed #969696">
<b>Referenced Bugs:</b>
<ul>
<li>
[<a class="bz_bug_link
bz_status_NEW "
title="NEW - [meta] [debugify] fix -check-debugify failures"
href="https://bugs.llvm.org/show_bug.cgi?id=37953">Bug 37953</a>] [meta] [debugify] fix -check-debugify failures
</li>
</ul>
</div>
<br>
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