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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 - LegalizeIntegerTypes.cpp:1438: bool llvm::DAGTypeLegalizer::PromoteIntegerOperand(llvm::SDNode *, unsigned int): Assertion `Res.getValueType() == N->getValueType(0) && N->getNumValues() == (IsStrictFp ? 2 : 1) && "Invalid operand expansion"' failed."
href="https://bugs.llvm.org/show_bug.cgi?id=46532">46532</a>
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<th>Summary</th>
<td>LegalizeIntegerTypes.cpp:1438: bool llvm::DAGTypeLegalizer::PromoteIntegerOperand(llvm::SDNode *, unsigned int): Assertion `Res.getValueType() == N->getValueType(0) && N->getNumValues() == (IsStrictFp ? 2 : 1) && "Invalid operand expansion"' failed.
</td>
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<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Backend: X86
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>benny.kra@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>ajcbik@google.com, craig.topper@gmail.com, llvm-bugs@lists.llvm.org, llvm-dev@redking.me.uk, ntv@google.com, spatel+llvm@rotateright.com
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=23669" name="attach_23669" title="Reduced test case">attachment 23669</a> <a href="attachment.cgi?id=23669&action=edit" title="Reduced test case">[details]</a></span>
Reduced test case
This only happens when targeting Haswell.
$ llc < bugpoint-reduced-simplified.ll
llc: llvm-project/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp:1438:
bool llvm::DAGTypeLeg
alizer::PromoteIntegerOperand(llvm::SDNode *, unsigned int): Assertion
`Res.getValueType() == N->getValueType(0) && N->getNumValues
() == (IsStrictFp ? 2 : 1) && "Invalid operand expansion"' failed.
PLEASE submit a bug report to <a href="https://bugs.llvm.org/">https://bugs.llvm.org/</a> and include the crash
backtrace.
Stack dump:
0. Program arguments: llc
1. Running pass 'Function Pass Manager' on module '<stdin>'.
2. Running pass 'X86 DAG->DAG Instruction Selection' on function
'@WhileWithLoopInvariantOperation.21'</pre>
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