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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [Reduce] basic block reduction assumes callinst"
href="https://bugs.llvm.org/show_bug.cgi?id=46818">46818</a>
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<th>Summary</th>
<td>[Reduce] basic block reduction assumes callinst
</td>
</tr>
<tr>
<th>Product</th>
<td>tools
</td>
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<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>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>llvm-reduce
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
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</tr>
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<th>Reporter</th>
<td>lebedev.ri@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dblaikie@gmail.com, llvm-bugs@lists.llvm.org
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<p>
<div>
<pre>Just so i don't forget later on,
diff --git a/llvm/tools/llvm-reduce/deltas/ReduceBasicBlocks.cpp
b/llvm/tools/llvm-reduce/deltas/ReduceBasicBlocks.cpp
index 002d81a6748..e049c6f405c 100644
--- a/llvm/tools/llvm-reduce/deltas/ReduceBasicBlocks.cpp
+++ b/llvm/tools/llvm-reduce/deltas/ReduceBasicBlocks.cpp
@@ -41,6 +41,7 @@ static void replaceBranchTerminator(BasicBlock &BB,
if (auto IndBI = dyn_cast<IndirectBrInst>(Term))
Address = IndBI->getAddress();
+ Term->replaceAllUsesWith(UndefValue::get(Term->getType()));
Term->eraseFromParent();
if (ChunkSucessors.empty()) {</pre>
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