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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - AArch64: Assertion failed: (ScalarizedOp.getNode() && "Operand wasn't scalarized?"),"
href="http://llvm.org/bugs/show_bug.cgi?id=20777">20777</a>
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<th>Summary</th>
<td>AArch64: Assertion failed: (ScalarizedOp.getNode() && "Operand wasn't scalarized?"),
</td>
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<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Backend: AArch64
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>grosbach@apple.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Trying to scalarize the following asserts:
0x104843460: v1i1 = truncate [ORD=14] [ID=0] 0x104842a10
0x104842a10: v1i16 = BUILD_VECTOR [ORD=12] [ID=-3] 0x104841840: i16 =
Constant<0> [ID=-3]
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
target triple = "arm64-apple-ios5.0.0"
define void @autogen_SD20270() {
BB:
%Tr = trunc <1 x i16> zeroinitializer to <1 x i1>
br label %CF79
CF79: ; preds = %CF79, %BB
%E41 = extractelement <1 x i1> %Tr, i32 0
%brmerge = or i1 %E41, undef
br i1 %brmerge, label %CF79, label %CF77
CF77: ; preds = %CF79
ret void
}
Assertion failed: (ScalarizedOp.getNode() && "Operand wasn't scalarized?"),
function GetScalarizedVector, file
/Users/grosbaj/sources/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h, line 505.
Found via llvm-stress.</pre>
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