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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 - Assertion `CB != OutsideLoopPreds[i] && "Loop has multiple entry points!"' failed (Csmith)"
href="https://bugs.llvm.org/show_bug.cgi?id=33396">33396</a>
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<th>Summary</th>
<td>Assertion `CB != OutsideLoopPreds[i] && "Loop has multiple entry points!"' failed (Csmith)
</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>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Loop Optimizer
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>paulsson@linux.vnet.ibm.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=18609" name="attach_18609" title="reduced testcase">attachment 18609</a> <a href="attachment.cgi?id=18609&action=edit" title="reduced testcase">[details]</a></span>
reduced testcase
; Function Attrs: nounwind
define void @main() local_unnamed_addr #0 {
entry:
br label %lbl_1476.i.i
lbl_1476.i.i: ; preds =
%safe_div_func_int8_t_s_s.exit.i.i, %entry
br i1 icmp ne (i8* getelementptr inbounds ([2 x i8], [2 x i8]* @g_140, i64 0,
i64 1), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @g_13, i64 0, i64 1)),
label %cond.true.i.i.i, label %safe_div_func_int8_t_s_s.exit.i.i
cond.true.i.i.i: ; preds = %lbl_1476.i.i
br label %safe_div_func_int8_t_s_s.exit.i.i
safe_div_func_int8_t_s_s.exit.i.i: ; preds = %cond.true.i.i.i,
%lbl_1476.i.i
%cond.i2.i.i = phi i32 [ 60, %cond.true.i.i.i ], [ sdiv (i32 60, i32 zext (i1
icmp eq (i8* getelementptr inbounds ([2 x i8], [2 x i8]* @g_140, i64 0, i64 1),
i8* getelementptr inbounds ([2 x i8], [2 x i8]* @g_13, i64 0, i64 1)) to i32)),
%lbl_1476.i.i ]
%cmp264.i.i = icmp slt i8 undef, -4
br label %lbl_1476.i.i
}
bin/llc -mtriple=s390x-linux-gnu -mcpu=z13 -o out.s
./loop_entrypoints.reduced.ll -verify-loop-info</pre>
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