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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ARM64] Assertion `hiBitsSet <= numBits && "Too many bits to set!"' failed."
href="http://llvm.org/bugs/show_bug.cgi?id=19548">19548</a>
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<th>Summary</th>
<td>[ARM64] Assertion `hiBitsSet <= numBits && "Too many bits to set!"' failed.
</td>
</tr>
<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>Linux
</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>
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<th>Component</th>
<td>Backend: AArch64
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>mcrosier@codeaurora.org
</td>
</tr>
<tr>
<th>CC</th>
<td>benny.kra@gmail.com, llvmbugs@cs.uiuc.edu, t.p.northover@gmail.com
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
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<pre>I see an assertion failure with the following test case:
; ModuleID = 'bugpoint-reduced-simplified.bc'
target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
target triple = "arm64-none-linux-gnu"
; Function Attrs: nounwind
define void @core_list_init() #0 {
entry:
br label %for.body
for.body: ; preds =
%core_list_insert_new.exit89, %entry
%i.0113 = phi i32 [ 0, %entry ], [ %inc, %core_list_insert_new.exit89 ]
%conv10 = xor i32 %i.0113, 0
%and = shl i32 %conv10, 3
%shl = and i32 %and, 120
%and13 = and i32 %i.0113, 7
%or = or i32 %shl, %and13
%shl16 = shl nuw nsw i32 %or, 8
%or18 = or i32 %shl16, %or
%conv19 = trunc i32 %or18 to i16
br i1 undef, label %if.end.i78, label %core_list_insert_new.exit89
if.end.i78: ; preds = %for.body
br i1 undef, label %if.end4.i87, label %core_list_insert_new.exit89
if.end4.i87: ; preds = %if.end.i78
store i16 %conv19, i16* undef, align 2, !tbaa !1
br label %core_list_insert_new.exit89
core_list_insert_new.exit89: ; preds = %if.end4.i87,
%if.end.i78, %for.body
%inc = add i32 %i.0113, 1
br label %for.body
}
attributes #0 = { nounwind "less-precise-fpmad"="false"
"no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"
"no-infs-fp-math"="false" "no-nans-fp-math"="false"
"stack-protector-buffer-size"="8" "unsafe-fp-math"="false"
"use-soft-float"="false" }
!llvm.ident = !{!0}
!0 = metadata !{metadata !"clang version 3.5.0 "}
!1 = metadata !{metadata !2, metadata !3, i64 0}
!2 = metadata !{metadata !"list_data_s", metadata !3, i64 0, metadata !3, i64
2}
!3 = metadata !{metadata !"short", metadata !4, i64 0}
!4 = metadata !{metadata !"omnipotent char", metadata !5, i64 0}
!5 = metadata !{metadata !"Simple C/C++ TBAA"}</pre>
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