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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Instcombine crashes in the presence of llvm.assume and pointer comparisons with NULL"
href="https://bugs.llvm.org/show_bug.cgi?id=38889">38889</a>
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<th>Summary</th>
<td>Instcombine crashes in the presence of llvm.assume and pointer comparisons with NULL
</td>
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<th>Product</th>
<td>new-bugs
</td>
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<th>Version</th>
<td>6.0
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>Linux
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>new bugs
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>doerfert@cs.uni-saarland.de
</td>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=20859" name="attach_20859" title="Minimal test case">attachment 20859</a> <a href="attachment.cgi?id=20859&action=edit" title="Minimal test case">[details]</a></span>
Minimal test case
When I run opt -instcombine on the attached test case I get the following
error:
llvm/lib/IR/Constants.cpp:584: static llvm::Constant*
llvm::ConstantInt::get(llvm::Type*, const llvm::APInt&): Assertion
`C->getType() == Ty->getScalarType() && "ConstantInt type doesn't match the
type implied by its value!"' failed.
The IR looks fine to me and the verifier is also happy so this seems to be a
problem in instcombine. However, I only have a 6.0 version ready right now and
I'm not sure if it was fixed in trunk already.</pre>
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